{"id":15438269874454,"title":"MUST 12kW 48V Solar Inverter PV19-12048 EXP | Dual MPPT, Wi-Fi","handle":"must-12kw-high-frequency-solar-inverter-pv1900-exp-series","description":"\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e your stock will be available within \u003cstrong\u003e2–3 business days after your purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eMUST PV19-12048 EXP 12kW 48V Solar Inverter (PV1900 EXP Series)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMUST PV19-12048 EXP\u003c\/strong\u003e is a 12kW (12000VA \/ 12000W) high-frequency solar inverter from the PV1900 EXP Series. It is an all-in-one unit that combines a pure sine wave inverter, dual MPPT solar charge controllers and a battery charger, built for 48VDC battery systems in residential and commercial installations. With a maximum PV input of 500VDC, a 90–450VDC MPPT range and up to 6 units in parallel, it suits larger homes, farms and businesses that need serious backup and solar capacity.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PV19-12048 EXP (SKU MUPV19-12048EXP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 12000VA \/ 12000W pure sine wave, 24000W surge, 230VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery system:\u003c\/strong\u003e 48VDC (lead-acid and lithium with BMS communication)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar input:\u003c\/strong\u003e dual MPPT, 6000W + 6000W maximum PV array power, 500VDC maximum open circuit voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e up to 150A solar charge and 150A AC charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e colour LCD with USB, RS485 and Wi-Fi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho is the MUST 12kW inverter for?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge homes\u003c\/strong\u003e that run pumps, air-conditioning or several high-demand appliances during load shedding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarms and small businesses\u003c\/strong\u003e that need 12kW of single-phase backup and solar capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowing systems\u003c\/strong\u003e: start with one unit and add up to 5 more in parallel later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure if 12kW is the right size? Add up everything that runs at the same time, add 25–30% headroom for motor start-up surges, and \u003ca href=\"\/pages\/technical-support\"\u003esend the list to our technical team\u003c\/a\u003e. We will recommend a size. We have supplied solar power systems in South Africa since 2007.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual output smart load management:\u003c\/strong\u003e prioritise your main and critical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-efficiency solar harvesting:\u003c\/strong\u003e dual MPPT with a 90–450VDC range and PV input up to 500VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable:\u003c\/strong\u003e connect up to 6 compatible units in parallel for more capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium-ready:\u003c\/strong\u003e supports BMS communication and AC\/PV battery activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible battery charging:\u003c\/strong\u003e 3-step charging for flooded, AGM, gel and lead-acid batteries, and 4-step charging for lithium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected:\u003c\/strong\u003e overload, short-circuit and battery deep-discharge protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy monitoring:\u003c\/strong\u003e colour LCD plus USB, RS485 and Wi-Fi for full system visibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1249\/8241\/files\/PV1900_EXP_4-12KW.pdf?v=1792561468\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eDownload the MUST PV1900 EXP Series datasheet (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePV19-12048 EXP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power\u003c\/td\u003e\n\u003ctd\u003e12000VA \/ 12000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge power\u003c\/td\u003e\n\u003ctd\u003e24000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaveform\u003c\/td\u003e\n\u003ctd\u003ePure sine wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC voltage regulation (battery mode)\u003c\/td\u003e\n\u003ctd\u003e230VAC ±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak inverter efficiency\u003c\/td\u003e\n\u003ctd\u003e92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer time\u003c\/td\u003e\n\u003ctd\u003e10ms (UPS \/ VDE4105), 20ms (APL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC input voltage\u003c\/td\u003e\n\u003ctd\u003e230VAC, 50Hz \/ 60Hz auto sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectable AC input range\u003c\/td\u003e\n\u003ctd\u003e170–280VAC (UPS), 90–280VAC (APL), 184–253VAC (VDE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery voltage\u003c\/td\u003e\n\u003ctd\u003e48VDC (floating charge 54.8VDC, overcharge protection 60VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV array open circuit voltage\u003c\/td\u003e\n\u003ctd\u003e500VDC (450VDC in parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV array power\u003c\/td\u003e\n\u003ctd\u003e6000W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV input current\u003c\/td\u003e\n\u003ctd\u003e27A x 2 (40A max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV array MPPT voltage range\u003c\/td\u003e\n\u003ctd\u003e90–450VDC (90–430VDC in parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum solar charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParallel operation\u003c\/td\u003e\n\u003ctd\u003eUp to 6 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eUSB, RS485, Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine dimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e425 x 527 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet \/ gross weight\u003c\/td\u003e\n\u003ctd\u003e18.1 kg \/ 20.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-15°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% relative humidity, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eManufacturer specifications are subject to change without notice. Dimensions and weights may vary between production batches. The datasheet covers the full PV1900 EXP range (4kW to 12kW); this listing is for the 12kW PV19-12048 EXP model.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is the MUST PV19-12048 EXP?\u003c\/strong\u003e\u003cbr\u003eIt is a 12kW (12000VA \/ 12000W) pure sine wave solar inverter with 24000W surge power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat battery voltage does it use?\u003c\/strong\u003e\u003cbr\u003eIt is a 48VDC system. It charges flooded, AGM, gel and lead-acid batteries, and supports lithium batteries with BMS communication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much solar can I connect?\u003c\/strong\u003e\u003cbr\u003eIt has dual MPPT inputs, each up to 6000W, with a maximum open circuit voltage of 500VDC (450VDC when running in parallel) and an MPPT range of 90–450VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect more than one inverter?\u003c\/strong\u003e\u003cbr\u003eYes. Up to 6 units can be connected in parallel. In parallel mode the MPPT range is 90–430VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor it remotely?\u003c\/strong\u003e\u003cbr\u003eYes. It has a colour LCD with USB, RS485 and Wi-Fi connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it a pure sine wave inverter?\u003c\/strong\u003e\u003cbr\u003eYes. It outputs a pure sine wave at 230VAC, which is suitable for sensitive electronics, fridges, pumps and other motor loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it single-phase or three-phase?\u003c\/strong\u003e\u003cbr\u003eIt is a single-phase 230VAC inverter. For three-phase supply you would need a three-phase inverter, so contact our technical team if that is what you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I buy the MUST 12kW inverter in South Africa?\u003c\/strong\u003e\u003cbr\u003eThe Sun Pays sells it directly from Rayton, Gauteng, with nationwide delivery and local technical support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I download the datasheet?\u003c\/strong\u003e\u003cbr\u003eUse the datasheet link in the Technical section above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty does it have?\u003c\/strong\u003e\u003cbr\u003e2 years from the manufacturer. Transport to The Sun Pays for warranty claims is at the customer's cost.\u003c\/p\u003e\n\u003ch3\u003ePair it with\u003c\/h3\u003e\n\u003cp\u003eBuild a complete 48V system with batteries and panels we stock:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dyness-dl5-0c-v2-5-12kwh-51-2v-lfp-battery\"\u003eDyness DL5.0C V2 5.12kWh 51.2V lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pylontech-uf5000-5-12kwh-51-2v-li-ion-battery-excl-brackets\"\u003ePylontech UF5000 5.12kWh 51.2V lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/thesunpays-51-2v-100ah-5-12kwh-lithium-battery-16-cells-touch-screen\"\u003eTheSunPays 51.2V 100Ah 5.12kWh lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/solar-panels\"\u003eSolar panels\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure which battery suits your setup? \u003ca href=\"\/pages\/technical-support\"\u003eAsk our technical team\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDelivery\u003c\/h3\u003e\n\u003cp\u003eFree delivery to retail customers within a 100 km radius of our store in Rayton, Gauteng. Clients outside our free delivery area must arrange their own collection.\u003c\/p\u003e","published_at":"2026-10-27T13:50:56+02:00","created_at":"2026-10-20T11:10:01+02:00","vendor":"MUST","type":"Solar Inverter","tags":["12000W inverter","12kW inverter","48V inverter","dual MPPT","load shedding inverter","MUST inverter","MUST PV1900 EXP","parallel inverter","pure sine wave inverter","PV19-12048 EXP","PV1900 EXP","single phase inverter","solar inverter","Wi-Fi solar inverter"],"price":1250000,"price_min":1250000,"price_max":1250000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":67769290653974,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MUPV19-12048EXP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MUST 12kW 48V Solar Inverter PV19-12048 EXP | Dual MPPT, Wi-Fi","public_title":null,"options":["Default Title"],"price":1250000,"weight":20000,"compare_at_price":null,"inventory_quantity":21,"inventory_management":"shopify","inventory_policy":"deny","barcode":"MUPV19-12048EXP","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/shop.thesunpays.co.za\/cdn\/shop\/files\/pv19exp-1.jpg?v=1792487251"],"featured_image":"\/\/shop.thesunpays.co.za\/cdn\/shop\/files\/pv19exp-1.jpg?v=1792487251","options":["Title"],"media":[{"alt":"MUST PV19-12048 EXP 12kW 48V high frequency solar inverter, PV1900 EXP Series","id":47049363259670,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/shop.thesunpays.co.za\/cdn\/shop\/files\/pv19exp-1.jpg?v=1792487251"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/shop.thesunpays.co.za\/cdn\/shop\/files\/pv19exp-1.jpg?v=1792487251","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e your stock will be available within \u003cstrong\u003e2–3 business days after your purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eMUST PV19-12048 EXP 12kW 48V Solar Inverter (PV1900 EXP Series)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMUST PV19-12048 EXP\u003c\/strong\u003e is a 12kW (12000VA \/ 12000W) high-frequency solar inverter from the PV1900 EXP Series. It is an all-in-one unit that combines a pure sine wave inverter, dual MPPT solar charge controllers and a battery charger, built for 48VDC battery systems in residential and commercial installations. With a maximum PV input of 500VDC, a 90–450VDC MPPT range and up to 6 units in parallel, it suits larger homes, farms and businesses that need serious backup and solar capacity.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PV19-12048 EXP (SKU MUPV19-12048EXP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 12000VA \/ 12000W pure sine wave, 24000W surge, 230VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery system:\u003c\/strong\u003e 48VDC (lead-acid and lithium with BMS communication)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar input:\u003c\/strong\u003e dual MPPT, 6000W + 6000W maximum PV array power, 500VDC maximum open circuit voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e up to 150A solar charge and 150A AC charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e colour LCD with USB, RS485 and Wi-Fi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho is the MUST 12kW inverter for?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge homes\u003c\/strong\u003e that run pumps, air-conditioning or several high-demand appliances during load shedding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarms and small businesses\u003c\/strong\u003e that need 12kW of single-phase backup and solar capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowing systems\u003c\/strong\u003e: start with one unit and add up to 5 more in parallel later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure if 12kW is the right size? Add up everything that runs at the same time, add 25–30% headroom for motor start-up surges, and \u003ca href=\"\/pages\/technical-support\"\u003esend the list to our technical team\u003c\/a\u003e. We will recommend a size. We have supplied solar power systems in South Africa since 2007.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual output smart load management:\u003c\/strong\u003e prioritise your main and critical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-efficiency solar harvesting:\u003c\/strong\u003e dual MPPT with a 90–450VDC range and PV input up to 500VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable:\u003c\/strong\u003e connect up to 6 compatible units in parallel for more capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium-ready:\u003c\/strong\u003e supports BMS communication and AC\/PV battery activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible battery charging:\u003c\/strong\u003e 3-step charging for flooded, AGM, gel and lead-acid batteries, and 4-step charging for lithium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected:\u003c\/strong\u003e overload, short-circuit and battery deep-discharge protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy monitoring:\u003c\/strong\u003e colour LCD plus USB, RS485 and Wi-Fi for full system visibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1249\/8241\/files\/PV1900_EXP_4-12KW.pdf?v=1792561468\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eDownload the MUST PV1900 EXP Series datasheet (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePV19-12048 EXP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power\u003c\/td\u003e\n\u003ctd\u003e12000VA \/ 12000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge power\u003c\/td\u003e\n\u003ctd\u003e24000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaveform\u003c\/td\u003e\n\u003ctd\u003ePure sine wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC voltage regulation (battery mode)\u003c\/td\u003e\n\u003ctd\u003e230VAC ±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak inverter efficiency\u003c\/td\u003e\n\u003ctd\u003e92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer time\u003c\/td\u003e\n\u003ctd\u003e10ms (UPS \/ VDE4105), 20ms (APL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC input voltage\u003c\/td\u003e\n\u003ctd\u003e230VAC, 50Hz \/ 60Hz auto sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectable AC input range\u003c\/td\u003e\n\u003ctd\u003e170–280VAC (UPS), 90–280VAC (APL), 184–253VAC (VDE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery voltage\u003c\/td\u003e\n\u003ctd\u003e48VDC (floating charge 54.8VDC, overcharge protection 60VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV array open circuit voltage\u003c\/td\u003e\n\u003ctd\u003e500VDC (450VDC in parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV array power\u003c\/td\u003e\n\u003ctd\u003e6000W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PV input current\u003c\/td\u003e\n\u003ctd\u003e27A x 2 (40A max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV array MPPT voltage range\u003c\/td\u003e\n\u003ctd\u003e90–450VDC (90–430VDC in parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum solar charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParallel operation\u003c\/td\u003e\n\u003ctd\u003eUp to 6 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eUSB, RS485, Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine dimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e425 x 527 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet \/ gross weight\u003c\/td\u003e\n\u003ctd\u003e18.1 kg \/ 20.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-15°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% relative humidity, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eManufacturer specifications are subject to change without notice. Dimensions and weights may vary between production batches. The datasheet covers the full PV1900 EXP range (4kW to 12kW); this listing is for the 12kW PV19-12048 EXP model.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is the MUST PV19-12048 EXP?\u003c\/strong\u003e\u003cbr\u003eIt is a 12kW (12000VA \/ 12000W) pure sine wave solar inverter with 24000W surge power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat battery voltage does it use?\u003c\/strong\u003e\u003cbr\u003eIt is a 48VDC system. It charges flooded, AGM, gel and lead-acid batteries, and supports lithium batteries with BMS communication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much solar can I connect?\u003c\/strong\u003e\u003cbr\u003eIt has dual MPPT inputs, each up to 6000W, with a maximum open circuit voltage of 500VDC (450VDC when running in parallel) and an MPPT range of 90–450VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect more than one inverter?\u003c\/strong\u003e\u003cbr\u003eYes. Up to 6 units can be connected in parallel. In parallel mode the MPPT range is 90–430VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor it remotely?\u003c\/strong\u003e\u003cbr\u003eYes. It has a colour LCD with USB, RS485 and Wi-Fi connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it a pure sine wave inverter?\u003c\/strong\u003e\u003cbr\u003eYes. It outputs a pure sine wave at 230VAC, which is suitable for sensitive electronics, fridges, pumps and other motor loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it single-phase or three-phase?\u003c\/strong\u003e\u003cbr\u003eIt is a single-phase 230VAC inverter. For three-phase supply you would need a three-phase inverter, so contact our technical team if that is what you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I buy the MUST 12kW inverter in South Africa?\u003c\/strong\u003e\u003cbr\u003eThe Sun Pays sells it directly from Rayton, Gauteng, with nationwide delivery and local technical support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I download the datasheet?\u003c\/strong\u003e\u003cbr\u003eUse the datasheet link in the Technical section above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty does it have?\u003c\/strong\u003e\u003cbr\u003e2 years from the manufacturer. Transport to The Sun Pays for warranty claims is at the customer's cost.\u003c\/p\u003e\n\u003ch3\u003ePair it with\u003c\/h3\u003e\n\u003cp\u003eBuild a complete 48V system with batteries and panels we stock:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dyness-dl5-0c-v2-5-12kwh-51-2v-lfp-battery\"\u003eDyness DL5.0C V2 5.12kWh 51.2V lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pylontech-uf5000-5-12kwh-51-2v-li-ion-battery-excl-brackets\"\u003ePylontech UF5000 5.12kWh 51.2V lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/thesunpays-51-2v-100ah-5-12kwh-lithium-battery-16-cells-touch-screen\"\u003eTheSunPays 51.2V 100Ah 5.12kWh lithium battery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/solar-panels\"\u003eSolar panels\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure which battery suits your setup? \u003ca href=\"\/pages\/technical-support\"\u003eAsk our technical team\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDelivery\u003c\/h3\u003e\n\u003cp\u003eFree delivery to retail customers within a 100 km radius of our store in Rayton, Gauteng. Clients outside our free delivery area must arrange their own collection.\u003c\/p\u003e"}