Shenzhen HRD SCI&TECH CO.,Ltd
| Application | Elevator, fire fighting, industry, factory...etc. |
| Packaging Details | 1PCS/CTN, standard for export |
| Delivery Time | 3 weeks after TT advance |
| Payment Terms | TT |
| Supply Ability | 5000pcs/ month |
| warranty | 18months after shipment |
| Product Name | electrical inverters |
| Frequency | 50HZ/60HZ±10% |
| COSΦ | ≥90% |
| Waveform | Sine wave |
| Display | LCD |
| Battery | Sealed lead acid maintenance-free battery |
| Place of Origin | Shenzhen China |
| Brand Name | HRD/OEM/ODM |
| Certification | CE, ISO9001 |
| Model Number | EF3310, EF3315,EF3320,EF3330 |
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Product Specification
| Application | Elevator, fire fighting, industry, factory...etc. | Packaging Details | 1PCS/CTN, standard for export |
| Delivery Time | 3 weeks after TT advance | Payment Terms | TT |
| Supply Ability | 5000pcs/ month | warranty | 18months after shipment |
| Product Name | electrical inverters | Frequency | 50HZ/60HZ±10% |
| COSΦ | ≥90% | Waveform | Sine wave |
| Display | LCD | Battery | Sealed lead acid maintenance-free battery |
| Place of Origin | Shenzhen China | Brand Name | HRD/OEM/ODM |
| Certification | CE, ISO9001 | Model Number | EF3310, EF3315,EF3320,EF3330 |
| High Light | high frequency inverter ，sine wave inverter ，EPS Electric Inverter For Elevator | ||
Eps Electric Inverter For Elevator / Industrial Three Phase Inverter
Energy saving, environment friendly,new generation EF series 3phase EPS (Emergency power supply) 10-30kva
EF series 3phase emergency power supply adopted world leading online technology and network communication,small size, high efficiency, low noise ,low operation cost. Super sttong overload ability and rugged enough for any kinds of load, especially for elevator and industry use；With comprehensive protection, it’s widely used for elevator, factory, fire-fighting etc. 6KVA-30KVA.
Working theory:
This EPS is a power supply system with multiple protection and output isolated transformer.When AC is normal, it will provide output directly from the AC input and recharge the battery.When AC mains off or abnormal, battery power will converted to AC power as output.
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Working diagram as below:
(1)When is AC normal, battery is under charging and the output power is provided by the AC input.
(2)AC off or abnormal, battery supply the power to load via inverter
(3)input and output display
(4)DC voltage and temperature
EF series Emergency power supply technical specification:
| Model | EF3310 | EF3315 | EF3320 | EF3330 | |||
| capacity | 10kva | 15kva | 20kva | 30kva | |||
| Input | Voltage | 380V/220V (3L+N+G) | |||||
| Frequency | 50HZ/60HZ±10% | ||||||
| COSΦ | ≥90% | ||||||
| Output
| AC mode Voltage | Same as input(3L+N) | |||||
| Battery mode Voltage | 380VAC/220V ±3% (3L+N) | ||||||
| Frequency | 50HZ/60HZ±1% (battery mode) | ||||||
| COSΦ | 0.8(lag) | ||||||
| Waveform | Sine wave | ||||||
| Wave Form distortion | Linear load<3% | ||||||
| Non linear load<5% | |||||||
| Overload protection | <150%→20s; >150%→10ms | ||||||
| Transfer time | Soft start(from small to normal steadyly) | ||||||
| Charging current | 1-10A | ||||||
| Display |
LCD | ||||||
| protection | Overload,,short, battery low and high | ||||||
| Battery | Sealed lead acid maintenance-free battery | ||||||
| External battery voltage | 48VDC/96VDC | 96VDC | |||||
| BATTERY QTY | 12V4/8PCS | 12V8PCS | |||||
| Ambient | Temperature | 0 - 40oC | |||||
| Humidity | 0 -95% | ||||||
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Note: All specification are subject to change without further notice;
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2010
Total Annual:
15,000,000-200,00,000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
About HRD ,founded in 2010, after more than 14 years fast development,HRD has grown into a large leading professional UPS manufacturer with ISO9001:2015 , ISO14001,ISO18001 certified Based on strong high level professional R&D team with... About HRD ,founded in 2010, after more than 14 years fast development,HRD has grown into a large leading professional UPS manufacturer with ISO9001:2015 , ISO14001,ISO18001 certified Based on strong high level professional R&D team with...
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