Circuit breaker A3726, VA3726

Circuit breaker A3726, VA3726. Price per FU3 execution. Technical Specifications: Circuit breakers A3720 rated current up to 250 A, with semiconductor, thermal-magnetic trip units. Circuit breakers A3721, A3723, A3725, A3727- 2 pole made constant and variable (50 Hz, 400) currents. Circuit breakers A3722, A3724, A3726, A3728- 3 pole, made on an alternating current (50 Hz, 400). Circuit breakers are intended for carrying current in normal operation and protection in case of overload unacceptable duration, short-circuit and unacceptable voltage drops, as well as for infrequent, up to 30 times a day, operating off electrical circuits with a nominal voltage up to 660 V AC Frequency 50 60 Hz and 440 V DC. Circuit Breakers AC can also be used to protect and infrequent straight starts asynchronous motors in utilization category AC-3. The circuit breakers are produced with semiconductor releases, semiconductor and electromagnetic overcurrent release, with thermal and electromagnetic overcurrent release, only with electromagnetic current releases and without overcurrent releases. Circuit breakers can be equipped with a zero-voltage shunt trip, shunt trip-free contacts and an electromagnetic drive. Circuit breakers are available in fixed version - front, rear and combined connection and withdrawable design.
Specifications switches:
1. Rated current 250A.
2. Number of poles 2; 3.
3. Rated currents of heat releases 160A, 200A, 250A, semiconductor releases 80A, 160A, 200A, 250A.
4. Setting the initial response to the current overload current zone, fold the rated current of thermal release 1.3, the initial operation of the current set point in the current overload zone, fold the rated current of the semiconductor release 1.25.
5. The settings on the current operation of the electromagnetic current of maximum releases to 2500A.
6. Rated Operating breaking capacity, kA: rated voltage 380V AC 35, at the rated voltage 660V AC 19, at the rated voltage 440V DC 100.
7. Durability of switches - the total number of cycles, IN 16000, the number of cycles under a load of 10,000
8. Dimensions (width x height x depth) 150 x 320 x 157 mm.
9. Weight (fixed version) 7.5 kg, with an electromagnetic drive - 12.0 kg.