BLK52L explosion-proof leakage circuit breakers 
 Scope of application 
 1, for explosive gas atmospheres: Zone 1, Zone 2 
 2, in place of dangerous gases or vapors: IIA, IIB, IIC, 
 3, temperature groups: T1 ~ T6 
 4, the indoor, outdoor (IP54, up to IP65) 
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 Applying scope 
 1, Explosive gas atmospheres: Zone 1 & 2 
 2, Dangerous gases or vapors zone: IIA, IIB, IIC 
 3, Temperature classes: T1 ~ T6 
 4, Indoor and outdoor (IP54.It could be designed as IP65 according to user's requirement.) 
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 Features 
 1, cast aluminum alloy shell with plastic sprayed surface 
 Built Merlin Gerin Miniature Circuit Breaker DZ20, CM1 to circuit breaker 
 3, overload, short circuit protection 
 Increase undervoltage, loss of pressure, leakage and other protection functions 
 5, for DC user can request a special 
 6, conduit or cable wiring, cable wiring shall be equipped with cable clamps to seal connector 
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 1, Enclosure is made of casting aluminium alloy, surface is sprayed with plastics 
 2, Built-in MEILIN GERIN small breakers such as DZ20, CM1 
 3, With overload and short circult protection function 
 4, Under-Voltage or / and voltage loss protection function could be added 
 5, For user's requirement, it could be specially made 
 6, Wiring with conduit or cable. For cable, it should be fitted with explosion-protected cable sealing connector 
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 Product Specifications 
 BDZ52L ExdeIIBT6 explosion-proof (BLK52L) 32/3 (32AZ) leakage circuit breakers 
 BDZ52L ExdeIIBT6 explosion-proof (BLK52L) 63/3 (63AZ) leakage circuit breakers 
 BDZ52L (BLK52L) 100/3 ExdeIIBT6 proof leakage circuit breakers 
 BDZ52L (BLK52L) 200/3 ExdeIIBT6 proof leakage circuit breakers 
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 The main technical parameters Specification 
 Ex - rated current (A) outlet port specification cable outer diameter 
 Exd (e) II BT6 
 Exd (e) II CT6 IP54, * IP65 1,3,6,10,16,25,32,40 
 50,63,125,160,250,400 G13 ~ G50 Ф18-Ф36 
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 Built-in components use category rated working voltage (V) release tuning current (A) circuit breaker Number of poles 
 C65N-C AC1 
 AC3 400 
 230 1,3,6,10,16,20, 
 25,32,40,50,63 1, 2, 3, 4 
 C65N-D 1,3,6,10,20,25,32,40 
 NC100H/NC100LS 63,80,100,125 
 DZ20/CM1 16,20,25,32,40,50,63, 
 80,100,125,160,180, 
 200,225,250,315,400 

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