BQD53 proof magnetic starter (IIB IIC) 

 First, the scope: 
 1, the dangerous sites with explosive air mixture: 1 & 2. 
 2, explosive gas mixture: Ⅱ A, Ⅱ B, Ⅱ C. 
 3, the temperature class: T1 ~ T6. 
 4, explosion-proof mark: Exd Ⅱ BT4 * Exd Ⅱ CT4 
 Note: Please specify required Ⅱ C grade. 

 Second, product characteristics: 
 An aluminum alloy shell with plastic sprayed surface. 
 2, the composite structure, the shell is increased safety, built-in button. For the explosion-proof components. 
 3, pipe or cable wiring. 

 Main technical parameters 
 Model voltage and current of thermal relay to control the motor rated current range maximum power of cable diameter proof mark import thread 
 BQD53-10Q 380/220V 10 A 0.25-0.35 
 0.32-0.50 
 0.45-0.72 
 0.68-1.10 
 1.00-1.60 
 1.50-2.40 
 2.20-3.50 
 3.20-5.00 
 4.50-7.20 
 6.80-11.0 
 10.0-16.0 
 15.0-24.0 
 22.0-33.0 
 30.0-45.0 
 50.0-63.0 
 56.0-86.0 
 86.0-125.0 
 4 KW Exde Ⅱ BT6 G1 "Φ10-14mm 
 BQD53-20Q 20 A 10 KW 
 BQD53-40Q 40 A 20 KWΦ18-22mm 
 BQD53-63Q 63 A 30 KW G1 1 / 2 "Φ22-26mm 
 BQD53-100Q 100 A 50 KW 
 BQC-10QN 10 A 4 KW G1 "Φ10-14mm 
 BQC-20QN 20 A 10 KW 
 BQC-40QN 40 A 20 KWΦ18-22mm 

 Fourth, the main dimensions and mounting type: 
 Model ABCD 
 BQC-20Q 230 445 180 170 
 BQC-32/40Q 256 400 170 130 
 BQC-63/80/95Q 350 544 215 230