BQC-series explosion-proof control panel are products designed and manufactured in strict accordance with Chinese national standards：
● GB 3836.1－2010 Explosive atmospheres - Part 1: General requirements for equipment
● GB 3836.2-2010 Explosive atmospheres - Part 2: Equipment protected by a flameproof enclosure "D"
● GB 3836.3-2010 Explosive atmospheres - Part 3: Equipment protected by increased safety type "E".
This product is not suitable for coal mines, explosives and places with strong corrosivity.
Categoria de producto
Working conditions
Model Description
Technical parameters
1.Altitude: no more than 2000 meters;
2.Ambient temperature: -20℃～+40℃；
3.Atmospheric conditions;
●The relative humidity of the surrounding air is not more than 95% (at 25°C);
●Can be used in explosive atmospheres (see scope of application)；
●In gas and vapor environments that do not significantly damage insulation；
●Pollution level: level 3；
4. Installation category: Class II；
5. Where there is no significant shaking and shock vibration.
6. Use in Class II (other explosive environments except coal mines), Zone 1 and Zone 2 hazardous locations of Class IIA and IIB explosive environments,and places below T4 and T4. control the starting of three-phase squirrel cage asynchronous motor,and can also protect the motor and related circuits when at ac 50Hz, rated voltage 380V, rated current 33A, 43A, 60A, 78A, 104A, 148A.
| Model | Maximum power (KW) | Rated voltage（V） | Rated current（A） | Rated phase current（A） | Delay setting delay value(S) |
| BQC-17 | 17 | 380 | 33 | 19 | 11 |
| BQC-22 | 22 | 380 | 43 | 25 | 13 |
| BQC-30 | 30 | 380 | 60 | 35 | 15 |
| BQC-40 | 40 | 380 | 78 | 45 | 16 |
| BQC-55 | 55 | 380 | 104 | 60 | 20 |
| BQC-75 | 75 | 380 | 148 | 85 | 24 |
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