ERFA Industries Group
| Payment Terms | T/T, Western Union |
| Delivery Time | 10days after payment |
| Packaging Details | each piece in a wooden box with pallet |
| Rated Voltage | 12kv 17.5kv 24kv |
| Arc-extinguishing Medium | Vacuum |
| Installation | Withdrawable & Fixed |
| Mechanical life | M2 |
| Rated frequency | 50Hz |
| Poles Number | 3 |
| Place of Origin | China |
| Brand Name | ERFA |
| Model Number | ZN73 |
| Certification | ISO9000, XIHARI |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union | Delivery Time | 10days after payment |
| Packaging Details | each piece in a wooden box with pallet | Rated Voltage | 12kv 17.5kv 24kv |
| Arc-extinguishing Medium | Vacuum | Installation | Withdrawable & Fixed |
| Mechanical life | M2 | Rated frequency | 50Hz |
| Poles Number | 3 | Place of Origin | China |
| Brand Name | ERFA | Model Number | ZN73 |
| Certification | ISO9000, XIHARI | ||
| High Light | 24kv vacuum circuit breaker ，medium voltage contactor | ||
| Item | Unit | Data | |||
| Rated voltage | kV | 12 | 17.5 | 24 | |
| Rated insulation level | 1min power frequency withstand voltage | kV | 42 | 50 | 65 |
| Rated lighting impulse withstand voltage | kV | 75 | 95 | 125 | |
| Rated frequency | Hz | 50 | 50 | 50 | |
| Rated current | A | 630, 1250, 1600, | 630, 1250, 1600, | 630, 1250, 1600, | |
| 2000, 2500, 3150 | 2000, 2500, 3150 | ||||
| Rated short-time withstands current(RMS) | kA | 16, 20, 25, 31.5, 40 | 20, 25, 31.5 | 20, 25, 31.5 | |
| Rated active on-load breaking current | kA | 40, 50, 63, 80, 100 | 50, 63, 80 | 50, 63, 80 | |
| Rated withstands current (peak) | kA | 16, 20, 25, 31.5, 40 | 20, 25, 31.5 | 20, 25, 31.5 | |
| Rated short-time breaking current | kA | 40, 50, 63, 80, 100 | 50, 63, 80 | 50, 63, 80 | |
| Rated short-time continuous time | s | 4 | |||
| Rated operation sequence | O-0.3s-CO-180s-CO | ||||
| Mechanical life | Times | M2 | |||
| Rated operation power supply voltage | V | AC220/DC220 | |||
| Full breaking time | Ms | ≤70 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
50 Millions-100 Millions
Employee Number:
150~200
Ecer Certification：
Active Member
Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa... Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa...
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