11.09.2024
MASTER IEK VA77 Air Circuit Breakers — an optimal solution for civil construction
Air circuit breakers VA77 MASTER IEK — a combination of optimal set of functions and reliability, making them an effective and advantageous solution for application at civil construction and urban infrastructure facilities.
Advantages of VA77 MASTER IEK air circuit breakers
- 230 V AC tripping relay, with holding — convenient implementation of ATS schemes.
- Display for convenient setting of circuit breaker.
- Set of necessary accessories included.
- Wide operating temperature range: from -25 to +70 °C.
- Warranty — 5 years.
Technical specifications of VA77 MASTER IEK air circuit breakers
- Rated current: from 630 to 4000 A.
- Rated voltage: 690 V.
- Ultimate breaking capacity: 65–100 kA.
- Number of poles: 3.
- Version: fixed and withdrawable.
- Insulation voltage: 1250 V (1000 V — for sizes S and A).
- Maximum impulse withstand voltage: 12 kV.