Zhejiang Sandi Electric Co., Ltd
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150KW AC/DC Rectifier Battery Charger Customized for Lead Acid Gel LiFePO4 Lithium Battery converterNew
SD750250G
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Description
AC-DC Power Rectifier Battery Charger Customized for Lead Acid AGM Gel LiFePO4 Lithium Battery is for DC battery system charging station. With single-phase or 3 phase non neutral conductor AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-750Vdc output voltage range optional, suitable for all types of batteries.
Features
Product Introduction：
SAND AC/DC Charger is specially developed for DC chargers module. It has high efficiency, high power factor, high power density, high reliability advantage. AC input 3 phase or single phase, DC output voltage range from 50 to 750VDC can be set, compliant with CE safety requirements, EMC standard EN61000-6-3 and EN61000-6-1 Class A, it is an advanced international level charger module.
Unique function：
● High efficiency over the full load range, full load efficiency greater than 95.5%
● Wide output voltage range, 50-750VDC, suitable for a wide range of Lithium and lead acid battery
● 5-inch LCD touch screen, easy to operate
● Flexible application, charging voltage, charging current, charging time, timing charging can be set by LCD screen, easy to operate
Main features：
● Powerful protection, overheating, short circuit, overload, overvoltage, undervoltage, etc.
● Three phase active power factor correction technology, reduces the harmonic interference to the grid
● Dual DSP design, achieve the full digital control, less components means high reliability
● Wide input voltage range, allows operation in most poor grid conditions
● Soft start charging and soft shutdown minimize the impact on the battery.
● Input, output have protective circuit breaker switch
● Module adopts hot pluggable design, which is convenient for maintenance.
● CAN/RS485 interface
SAND AC/DC Charger is specially developed for DC chargers module. It has high efficiency, high power factor, high power density, high reliability advantage. AC input 3 phase or single phase, DC output voltage range from 50 to 750VDC can be set, compliant with CE safety requirements, EMC standard EN61000-6-3 and EN61000-6-1 Class A, it is an advanced international level charger module.
Unique function：
● High efficiency over the full load range, full load efficiency greater than 95.5%
● Wide output voltage range, 50-750VDC, suitable for a wide range of Lithium and lead acid battery
● 5-inch LCD touch screen, easy to operate
● Flexible application, charging voltage, charging current, charging time, timing charging can be set by LCD screen, easy to operate
Main features：
● Powerful protection, overheating, short circuit, overload, overvoltage, undervoltage, etc.
● Three phase active power factor correction technology, reduces the harmonic interference to the grid
● Dual DSP design, achieve the full digital control, less components means high reliability
● Wide input voltage range, allows operation in most poor grid conditions
● Soft start charging and soft shutdown minimize the impact on the battery.
● Input, output have protective circuit breaker switch
● Module adopts hot pluggable design, which is convenient for maintenance.
● CAN/RS485 interface
Specification
Model SD750250G
AC input Input system Three phases + PE
Voltage range 340Vac ~450Vac
Rated voltage 400Vac
Frequency range 50Hz/60Hz
Maximum current <192A
ITHD (total harmonic distortion) <5%
DC output Voltage range 100-750Vdc ( can set)
MAX. Output current (A) 250A
Current range 1 ~ 250A (can set)
Steady voltage precision <±0.5%
Steady current precision ≤±1% (rated range of 20% ~ 100% for output load)
Load regulation rate ≤±0.5%
Startup overshoot ≤±3%
Peak-to-peak value noise ≤1% (200~1000V, 0~20MHz)
Display Indication Light Green LED: normal operation,
Yellow LED: alarm, Red LED: failure
Display language English
Display 5’ LCD touch screen
Power factor and THD Power factor ≥0.90 Full-load output power of @20%~50%
≥0.98 Full-load output power of @50%~100%
≥0.99 Full-load output power, input nominal voltage and frequency of @100%
THD ≤5% Full-load output power of @50%~100%
Protection function input overvoltage Protection Over Under Voltage automatic shutdown and restart when voltage return normal
Output overvoltage protection Over Under Voltage automatic shutdown and restart when voltage return normal
Over-temperature protection Automatic shutdown. Automatic restart when the temperature return to normal
Short circuit protection Automatic shutdown and lock, need power off to restart to unlock
Efficiency Under Rated input voltage ≥95.2％
Application place Indoor (IP20)
Environmental conditions Operation temperature -20°C ~ +75°C, derating from 55°C
Storage temperature -40°C ~ +70°C
Relative humidity ≤95%RH, without condensation
Cooling mode Forced fan cooling
Noise ≤60dB (1m away)
Altitude 2,000m
Communication RS485 / CAN BUS
Insulation resistance insulation resistance of DC and AC part to housing and the AC to the DC part shall be ≥ 10MΩ
AC input Input system Three phases + PE
Voltage range 340Vac ~450Vac
Rated voltage 400Vac
Frequency range 50Hz/60Hz
Maximum current <192A
ITHD (total harmonic distortion) <5%
DC output Voltage range 100-750Vdc ( can set)
MAX. Output current (A) 250A
Current range 1 ~ 250A (can set)
Steady voltage precision <±0.5%
Steady current precision ≤±1% (rated range of 20% ~ 100% for output load)
Load regulation rate ≤±0.5%
Startup overshoot ≤±3%
Peak-to-peak value noise ≤1% (200~1000V, 0~20MHz)
Display Indication Light Green LED: normal operation,
Yellow LED: alarm, Red LED: failure
Display language English
Display 5’ LCD touch screen
Power factor and THD Power factor ≥0.90 Full-load output power of @20%~50%
≥0.98 Full-load output power of @50%~100%
≥0.99 Full-load output power, input nominal voltage and frequency of @100%
THD ≤5% Full-load output power of @50%~100%
Protection function input overvoltage Protection Over Under Voltage automatic shutdown and restart when voltage return normal
Output overvoltage protection Over Under Voltage automatic shutdown and restart when voltage return normal
Over-temperature protection Automatic shutdown. Automatic restart when the temperature return to normal
Short circuit protection Automatic shutdown and lock, need power off to restart to unlock
Efficiency Under Rated input voltage ≥95.2％
Application place Indoor (IP20)
Environmental conditions Operation temperature -20°C ~ +75°C, derating from 55°C
Storage temperature -40°C ~ +70°C
Relative humidity ≤95%RH, without condensation
Cooling mode Forced fan cooling
Noise ≤60dB (1m away)
Altitude 2,000m
Communication RS485 / CAN BUS
Insulation resistance insulation resistance of DC and AC part to housing and the AC to the DC part shall be ≥ 10MΩ
Safety/Quality Approvals
CE
Country of Origin
China
Main Export Markets
wordwide
Payment Details
Payment Terms : Payment in AdvanceMinimum Order : 1Others : T/T Paypal Western Union
Delivery Details
Lead Time : 15 DaysFOB Port : Ningbo, ShanghaiOthers : SANDI Standard export honeycomb carton packing with pallet
About Us
Zhejiang Sandi Electric Co., Ltd is an international photovoltaic enterprise located in Wenzhou, known as the "capital of China's electrical appliances." With over 15 years of experience in research, development, manufacturing, and service in the new energy and electrical sectors, Sandi has established itself as a leader in the industry.
Our products are widely used in various applications, including solar and wind energy systems, industrial automation control, civilian energy solutions, electric power, medical treatment, aviation, automatic control systems, trains, ships, fire power, military systems, and national heavy engineering projects.
Main products: Off grid pure sine wave inverter, Energy storage lithium battery with BMS pack, solar charge controller, solar pump inverter, single phase to three phase converter, AC/DC Battery Charger products.
Sandi is recognized by a diverse customer base for its extensive product range, high quality, and commitment to customer service. The company rigorously controls product quality, striving for perfection and viewing quality as the lifeline of the business. We continuously improve our quality management system and have obtained ISO9001, CE (EMC & LVD, EN62109, EN61000), and SAA certifications, all approved by international standards. We consistently introduce advanced international production and testing equipment to ensure product quality and timely delivery.
At Sandi, we prioritize a people-oriented approach, with a foundation of integrity and exceptional service to ensure customers feel secure using our products, earning us their praise.
Sandi is committed to being a technology leader, maintaining long-term, collaborative research partnerships with universities, and incorporating international advanced technologies. We have established a stringent quality control system to uphold our high standards.
Our work objectives are centered on “unremitting exploration, endeavor and innovation, honesty and dedication, perfection and practicality,” while our quality guidelines emphasize “criterion management, intensive manufacturing, quality first, and wholehearted service.” We seek excellence and value innovation! We look forward to working together to achieve brilliance.
Our products are widely used in various applications, including solar and wind energy systems, industrial automation control, civilian energy solutions, electric power, medical treatment, aviation, automatic control systems, trains, ships, fire power, military systems, and national heavy engineering projects.
Main products: Off grid pure sine wave inverter, Energy storage lithium battery with BMS pack, solar charge controller, solar pump inverter, single phase to three phase converter, AC/DC Battery Charger products.
Sandi is recognized by a diverse customer base for its extensive product range, high quality, and commitment to customer service. The company rigorously controls product quality, striving for perfection and viewing quality as the lifeline of the business. We continuously improve our quality management system and have obtained ISO9001, CE (EMC & LVD, EN62109, EN61000), and SAA certifications, all approved by international standards. We consistently introduce advanced international production and testing equipment to ensure product quality and timely delivery.
At Sandi, we prioritize a people-oriented approach, with a foundation of integrity and exceptional service to ensure customers feel secure using our products, earning us their praise.
Sandi is committed to being a technology leader, maintaining long-term, collaborative research partnerships with universities, and incorporating international advanced technologies. We have established a stringent quality control system to uphold our high standards.
Our work objectives are centered on “unremitting exploration, endeavor and innovation, honesty and dedication, perfection and practicality,” while our quality guidelines emphasize “criterion management, intensive manufacturing, quality first, and wholehearted service.” We seek excellence and value innovation! We look forward to working together to achieve brilliance.
Established Date: 2012/8/21
No. of Employees: 98 Persons
Business Type: Manufacturer/OEM
Main Products
Pure Sine Wave Inverter, Energy Storage Lithium Battery, Solar Inverter, Marine/Vehicle Inverter, Solar Charge Controller, Off-Grid Inverter, Power Inverter, PV Combiner Box, AC/DC Battery Charger, Single Phase To Three Phase Converter
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