VA57-39 Series Automatic Circuit Breakers 160A-630A 660V AC — KONTAKTOR OJSC

Name: VA57-39 Series Automatic Circuit Breakers 160A-630A 660V AC
Brand: KONTAKTOR
SKU: 130261
Availability: InStock

Brend: KONTAKTOR

so'm 1,134,000 - so'm 4,536,000 UZS

MOQ: 20 pieces

Asosiy xususiyatlar

Breaking capacity: rated maximum breaking capacity; icu; kA; at voltage 380V AC- 35; 660V AC- 20; 220V DC- 50; 440V DC- 85

size: 225x225x112 mm

Trip type: thermal and electromagnetic maximum current disconnectors for overload and short circuit protection

Protection class: ip20 - switches in stationary version; ip00 - switches in retractable version

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Tavsif

Automatic circuit breakers series VA57-39 are designed to carry current in normal mode and disconnect current at short circuits, overloads, as well as for infrequent operational switching on and off of electrical circuits. This is a series of circuit breakers for currents from 250 to 630A, with rated voltage up to 660 V AC and 440 V DC, with a maximum breaking capacity of up to 85 kA and the most popular on the market range of protection settings in the zone of short-circuit currents from 1250 to 6300A.

According to the method of installation the circuit breakers have stationary and withdrawable version.

Circuit breakers have:

- warranty period of 5 years;

- increased service life up to 15 years due to increased wear resistance (for VA57-39 - 16000 mechanical cycles, 2000 electrical cycles);

- reliability is evaluated by probability of failure-free operation when performing switching operations at load currents and without load currents, as well as when performing protective functions.

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