Engineered for extreme solar configurations, offering robust lightning surge mitigation and thermal performance in tropical climates.
As a fast-growing economy with a rising demand for clean energy, Bangladesh is rapidly expanding its solar power capacity. Driven by the government's ambitious vision aligned with the Mujib Climate Prosperity Plan, the nation targets generating up to 40% of its power from renewable sources by 2041. Utility-scale solar parks, off-grid micro-grids, and commercial & industrial (C&I) rooftop solar deployments are increasing to offset import dependency on fossil fuels.
However, Bangladesh’s unique geographical location presents substantial environmental challenges for solar balance of system (BOS) equipment. High relative humidity (often exceeding 90%), seasonal monsoonal precipitation, high temperature-induced degradation risks, and saline atmospheres in coastal regions like Chittagong and Cox's Bazar require premium-grade electrical components.
In this environment, a standard PV junction box or DC combiner box is not enough. System designers must deploy enclosures with high ingress protection (IP65/IP67/IP68), robust UV stabilizers, and optimal thermal management systems. Neglecting these requirements can lead to hot-spot formations, water ingress, and catastrophic system short-circuits.
In Bangladesh, ambient temperatures during summer months routinely cross 40°C. Within an unshaded outdoor DC combiner box, internal temperatures can easily exceed 70°C. Standard off-the-shelf plastic enclosures degrade under long-term UV exposure and mechanical stress. Our PV junction boxes and combiner boxes utilize heavy-duty, flame-retardant, UV-resistant polycarbonate or SMC fiberglass-reinforced polyester enclosures (UL 94 V-0 flame-retardant standard). This prevents warping and ensures the internal electronic switches, circuit breakers, and SPDs operate within safe temperature margins.
Bangladesh's extensive river network and long coastlines mean that humidity and airborne salt particles are constantly present. Standard metallic components face rapid electrochemical corrosion. To guarantee a 25-year service life, we implement:
Due to high lightning strike density in Bangladesh, solar arrays require robust surge protection. Our combiner solutions feature dual-pole, high-voltage DC Surge Protection Devices (Class II/Type 2) certified to IEC/EN 61643-31 standards. We utilize dedicated gPV cylindrical fuses (specifically engineered for low-fault-current interruption in PV arrays) on both the positive and negative poles, preventing reverse-current faults from damaging PV modules.
Engineered for large utility arrays in Kaptai, Mymensingh, and Cox's Bazar. These systems utilize multi-string combiner boxes (up to 24 strings) with integrated intelligent RS485 monitoring networks, enabling remote diagnostics of individual solar string outputs.
Ideal for ready-made garment (RMG) factories across Dhaka, Gazipur, and Narayanganj. Designed to support net metering schemes, prioritizing fire-retardant structural safety, rapid shutdown compliance, and seamless grid-tied integration.
Supporting the Infrastructure Development Company Limited (IDCOL) off-grid initiatives. Custom hybrid solutions incorporate IP65 wind and solar charge controllers to guarantee continuous operation in remote delta areas.
Jinan Deming Power Equipment Co., Ltd. is a nationally recognized high-tech enterprise established in 2004, specializing in the research, development, production, and service of renewable energy power equipment and advanced power testing solutions. The company holds ISO9001:2015 certification and has been recognized as a high-tech enterprise by the Chinese government multiple times (2015, 2018).
With a dedicated R&D team of 16 engineers including doctoral supervisors and master's degree holders, Deming invests no less than 20% of annual sales revenue into technology development. The company has completed 17 R&D projects in the last three years with 16 scientific and technological achievements transformed into commercial products.
Deming's products have been exported to 120+ countries including Germany, Japan, the United States, UK, Canada, Australia, and Brazil, and the company has established cooperative relationships with Fortune 500 enterprises. The company's main products include wind/solar controllers, inverters, frequency converters, and high-power bidirectional DC test power supplies and battery simulators ranging from 150kW to 500kW.
From computer-aided drawing design to final high-accuracy LCR testing and oscilloscopic verification, we ensure zero defects in every power system shipping to Bangladesh.
Explore our full line of industrial junction configurations, power conditioning converters, and grid-tie wind/hydro system controllers.
Dedicated high-load machinery designed to manage energy storage conversion, shore power units, and hybrid networks.
Bangladesh experiences heavy monsoon seasons and high humidity. Ingress protection (IP) ratings like IP65 or IP66 prevent dust particles and heavy rains from entering the enclosure. This protects sensitive internal components like DC circuit breakers and SPDs from corrosion, electrical shorts, and physical degradation.
Our boxes use high-quality polycarbonate materials with UV protection and a UL 94 V-0 flame-retardant rating. They also feature integrated breather valves to manage temperature variations, prevent condensation, and keep internal operating temperatures within design limits.
Yes, our high-spec combiner boxes (like our 6-in-1 configurations) support RS485/Modbus RTU networks. This enables monitoring of individual string currents, voltages, system temperatures, and surge protector status at the central control station.
Yes. Our products are designed and manufactured under ISO 9001:2015 standards, and comply with international IEC criteria (like IEC 62109 and IEC 61439). This helps ensure compatibility with local regulatory frameworks established by SREDA, BPDB, and BREB.
Demin Power
