Explosion Proof Electromagnetic Starter BQC

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Technical Parameter

Explosion proof sign	Rated voltage	Protection level	Corrosion protection level
Ex db eb IIB T4 Gb Ex db eb IIC T4 Gb Ex tb IIC T130℃ Db	380V	IP66	WF1*WF2

Model	Rated current	Thermal relay constant current regulation range	Control the maximum power of the motor	Cable outer diameter	Inlet thread
BQC-9/□	9A	6.8~11A	4kW	φ10~φ14mm	G3/4
BQC-12/□	12A	6.8~11A	5.5kW
BQC-18/□	18A	10~16A	7.5kW
BQC-22/□	22A	14~22A	11kW
BQC-25/□	25A	20~32A	11kW	φ12~φ17mm	G1
BQC-32/□	32A	20~32A	15kW
BQC-40/□	40A	28~45A	18.5kW	φ15~φ23mm	G1 1/4
BQC-50/□	50A	40~63A	22kW	φ18~φ33mm	G1 1/2
BQC-65/□	65A	40~63A	30kW
BQC-80/□	80A	63~80A	37kW
BQC-100/□	100A	80~100A	45kW
BQC-9/□/N	9A	6.3~10A	4kW	φ10~φ14mm	G3/4
BQC-12/□/N	12A	8~12.5A	5.5kW
BQC-18/□/N	18A	10~16A	7.5kW
BQC-22/□/N	22A	12.5~20A	11kW
BQC-25/□/N	25A	20~32A	11kW	φ12~φ17mm	G1
BQC-32/□/N	32A	20~32A	15kW
BQC-40/□/N	40A	37~50A	18.5kW	φ15~φ23mm	G1 1/4
BQC-50/□/N	50A	37~50A	22kW	φ18~φ33mm	G1 1/2
BQC-65/□/N	65A	48~65A	30kW
BQC-80/□/N	80A	63~80A	37kW
BQC-100/□/N	100A	80~100A	45kW

Electrical Schematic Diagram

Product Features

1. Aluminum alloy die-casting shell, after high-speed shot peening, the surface is coated with high-voltage electrostatic spraying, which is corrosion resistant and anti-aging;

2. Stainless steel exposed fasteners with high anti-corrosion performance;

3. Equipped with AC contactors, thermal relays, and self resetting universal transfer switches, and equipped with a high breaking small circuit breaker when equipped with a main switch;

4. It can control the direct start and stop of AC 50Hz, 380V three-phase asynchronous motors, and has overload, phase failure, and voltage loss protection;

5. It can be equipped with remote control;

6. Steel pipe or cable wiring is acceptable.

Standard IIB

Standard IIC

Reversible IIB

Reversible IIC

Applicable Scope

1. Suitable for explosive gas environments in Zone 1 and Zone 2 locations;

2. Suitable for places in Zone 21 and Zone 22 with combustible dust environments;

3. Suitable for IIA, IIB, and IIC explosive gas environments;

4. Suitable for temperature groups T1 to T6;

5. It is suitable for infrequent starting and stopping of three-phase asynchronous motors in dangerous environments such as oil exploitation, oil refining, chemical industry, gas stations, offshore oil platform, oil tankers, metal processing, etc.