Products
JRZC4-72.5/T1250-31.5 Circuit Breaker Combination Switch (with Isolation/Earth Switch Function)
Classification:
It specializes in the design, manufacture and sales of 12KV ~ 40.5 KV indoor and outdoor vacuum circuit breakers, environmental protection gas boxes (circuit breaker units) and complete sets of cabinets. By the end of 2022, it has sold more than 100,000 sets of indoor and outdoor circuit breakers and gas box (circuit breaker units) operating mechanisms.
Keywords: circuit breaker, combination switch
Product Details
External Dimensions and Installation Size
Technical specifications:
| Rated Voltage (KV) |
Rated current (A) |
Rated Breaking Current (kA) |
Phase spacing (mm) |
Operating Voltage (V) |
| 72.5 |
1250 |
31.5 |
275 |
AC/DC 110~220 |
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| Surface Treatment |
Mechanical Life |
Environmental Usage |
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| Salt Spray Test (Over 500 hours) |
10,000 cycles / 5,000 cycles |
-25°C to -40°C / +40°C |
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Compliant with relevant standards such as GB1984, GB11022, GB1985, and IEC62271-100, it meets the "three-proof" requirements and is suitable for offshore operations.
Note: Gas-insulated switchgear with a refillable environmental gas (cylinder-type) option is also available.
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