Scope of application of BQX51 series explosion-proof star delta starter (IIB)

1. Explosive gas environment hazardous areas: Zone 1, Zone 2;
2. Explosive gas environment: IIA, IIB;
3. Temperature group: T1 to T6.

Characteristics of BQX51 series explosion-proof star delta starter (IIB)

1. Steel plate welded shell, surface sprayed with plastic;
2. This product is suitable for infrequent starting and stopping of AC 50Hz, 380V, 15KW-132KW three-phase asynchronous motors;
3. Equipped with short circuit breakers, AC contactors, time relays, thermal relays, current transformers, voltmeters, ammeters, transfer switches, indicator lights, etc., with overload, short circuit, and phase failure protection functions;
4. The delay automatic control time relay can be adjusted within 0-60 seconds;
5. Suitable for uninterrupted long-term work system or repeated short-term work system, the operating frequency under repeated short-term work system is 30 times/hour, and the interval between two consecutive starts is not less than 90 seconds;
6. Equipped with overload, short circuit, and phase failure protection functions;
7. Can be customized according to requirements;
8. Both steel pipes and cables can be used for wiring.

BQX51 series explosion-proof star delta starter (IIB) model and its meaning



Main technical parameters of BQX51 series explosion-proof star delta starter (IIB)

BQX51 series explosion-proof star delta starter (IIB)