Circuit breaker A3748P

Sale and manufacture of A3748P and A3748SM circuit breakers (A3748CM, A3747P) at 500A, 630A 380V and 660V 50Hz and 400Hz. Export circuit breakers to any country in the world! Ideal quality and price in Ukraine for А 3748SМ (A 3748CM) and А 3748П automatic switch. Automatic switches A-3748P and A-3748SM are used in electrical installations. The warranty on the A 3748 SM automatic machine is 15 years, and on the A 3748 P it will be 20 years, on the RP release, which has been in the switch for 5 years. For thirty years of manufacture, the plant NPO KHEMZ has also proven itself; the A3748 SM and A3748 P automatic switches have proven themselves in Ukraine, Kazakhstan, Moldova, Latvia, Estonia, Lithuania, India, Mongolia, Vietnam, South Korea, Romania, Hungary, Bulgaria, Armenia, Azerbaijan, Tajikistan, Slovenia, Qatar, Oman, Albania, South Africa, Turkey, Ethiopia, Macedonia, Serbia, Sudan, Egypt and the Czech Republic as well as in the countries of near and far abroad - in Asia, Europe, Africa, South America, the Middle East. Export. Always available in a warehouse in Kharkov.Automatic switches A3748P selective, for mobile installations (vibration and shock resistant) are designed to conduct current in normal mode, for selective protection in case of short circuits, for protection during overloads of unacceptable duration and for infrequent (up to 30 times a day) operational inclusions and cut-offs of electrical chains with a voltage of 380V or 660V AC of frequency 50 and 400Hz.

Switches A3748P are produced in three-pole stationary version. 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-.

4. Adjustable values ​​of rated working currents IR, A: -.

5. The initial operating current in the zone of the overload currents, multiples of the rated operational current of the RP-.

6. The setting of the response time in the zone of overcurrent currents at a current of 6IR, s: -.

7. Settings for the response time in the zone of short-circuit currents, s -.

8. Settings for the operating current in the zone of short-circuit currents, multiples of the rated working current.

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

     With electromagnetic drive - 36 kg, no more than