Circuit breaker A3744СM

Sale and manufacture of A3744CM and A3744M circuit breakers at 400A, 500A, 630A, 800А for voltage 380V and 660V 50Hz and 400Hz. Deliveries of automatic switches to any country of the world! Undoubted quality and price in Ukraine for A 3744CM and A 3744M 3P circuits breakers. Automatic switches A-3744СМ and А-3744М are used in electrical installations. The warranty on the A 3744 CM and A 3744 M circuit breakers will be at least 15 years, for the RP release, going as part of the circuit breaker for 5 years. For 30 years of manufacture by the GP KHEMZ plant, the A3744 SM and A3744 M circuit breakers have proven themselves in Ukraine, Latvia, Estonia, Lithuania, India, Mongolia, Vietnam, South Korea, Romania, Hungary, Bulgaria, Armenia, Azerbaijan, Iraq, Tajikistan, Moldova, Turkey, Ethiopia, Sudan, Sri Lanka, Egypt and Kazakhstan, as well as in the countries of near and far abroad - in Asia, Europe, Africa, South Africa, South America. Selling and Export of A3744-SM and A3744-M automatic switches. Always in stock in Kharkov.

A-3744 CM circuit breakers selective, A-3744 M high-speed ones - for use on vessels with any navigation radius (vibro and shock resistant), designed to conduct current in normal mode, for selective protection during short circuits, for protection during overloads of unacceptable duration and for infrequent operational inclusions and outages of electric circuits with voltage of 380V or 660V of alternating current of frequency 50 and 400 Hz.

Switches A3744SM TU16-522.159-84 are produced with three-pole stationary design. Switches can be equipped with an independent release, free contacts, electromagnetic drive, manual remote drive.

The main technical characteristics of the switches:

1. Rated current, A 630.

2. Application category V.

3. Rated currents of semiconductor releases (RP), A 250; 400; 630.

4. Adjustable rated operating currents IR, A: 160; 200; 250; 315; 400; 500; 630.

5. Initial operating current in the zone of the overload currents, multiples of the rated operational current of the RP 1.4.

6. Setpoint according to the response time in the zone of overcurrent currents at a current of 6IR, s: 4; 8; 16.

7. Settings for the response time in the zone of short-circuit currents, with 0.1; 0.25; 0.4.

8. Settings for the operating current in the zone of short-circuit currents, multiples of the rated working current 2; 3; 5; 7 or 3; 5; 7; 10.

9. Rated short-time withstand current, kA 20.

10. Rated operating short-circuit breaking capacity, kA 50.

11. Wear resistance of switches:

- total number of cycles is 16,000.

- number of cycles of VO under load 3000.

12. Overall dimensions (width x height x depth), mm 245х420х220.

13. Weight (stationary version), not more than 30.3 kg.

     With electromagnetic drive - 35.8 kg, no more than