ERFA Industries Group
| Packaging Details | each piece with polly then 18pcs in a woodenbox with pallet |
| Delivery Time | 10 days after payment |
| Payment Terms | T/T |
| Supply Ability | 10000pcs per month |
| Rated current | 1600A 1250A |
| Rated duration of short-circuit | 4S |
| Rated peak withstand current | 60KA |
| Weight of movable parts | 1.4KG |
| Contacts limit erosion | 3MM |
| Certificate | ISO9000 |
| Place of Origin | China (Mainland) |
| Brand Name | ERFA |
| Certification | ISO9000 |
| Model Number | ERFA-V12 |
View Detail Information
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Product Specification
| Packaging Details | each piece with polly then 18pcs in a woodenbox with pallet | Delivery Time | 10 days after payment |
| Payment Terms | T/T | Supply Ability | 10000pcs per month |
| Rated current | 1600A 1250A | Rated duration of short-circuit | 4S |
| Rated peak withstand current | 60KA | Weight of movable parts | 1.4KG |
| Contacts limit erosion | 3MM | Certificate | ISO9000 |
| Place of Origin | China (Mainland) | Brand Name | ERFA |
| Certification | ISO9000 | Model Number | ERFA-V12 |
| High Light | vacuum fault interrupter ，interrupter in circuit breaker | ||
Specification
| 1 | Rated current | A | 1600 | 1250 |
| 2 | Circuit resistance at lowest rated contact force | μΩ | ≤20 | |
| 3 | Rated short-circuit breaking current | KA | 31.5 | |
| 4 | Breaking operations of rated short circuit breaking current | Times | 50 | |
| 5 | Rated short-time withstand current | KA | 31.5 | |
| 6 | Rated duration of short-circuit | S | 4 | |
| 7 | Rated peak withstand current | KA | 60 | |
| 8 | Rated short-circuit making current | KA | 60 | |
| 9 | Rated breaking current of single capacitor bank | A | 630 | |
| 10 | Rated breaking current of back-back capacitor bank | A | 400 | |
| 11 | Rated operating sequence | O-0.3s-CO-180s-CO | ||
Mechanical data
|
Mechanical requirements
| 1 | Clearance between open contacts | mm | 11±1 |
| 2 | Average opening speed(average of first 75% of contact gap) | m/s | 1.1±0.2 |
| 3 | Average closing speed(average of last 30% of contact gap) | m/s | 0.6±0.2 |
| 4 | Rated added external contact final force | 3100±200 | |
| Added external contact force at contact touch point | N | 2200±150 | |
| 5 | Contact bouncing duration at closing operation | ms | ≤2 |
| 6 | Closing and Opening non-simultaneity of three-phase contacts | ms | ≤2 |
| 7 | Maximum Rebound during opening | mm | ≤2 |
Life
|
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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