CBK52 series explosion-proof circuit breakerDetailed product description：

CBK52 series explosion-proof circuit breaker model meaning applicable scope

Zone 1 and Zone 2 hazardous areas.
Class IIA and IIB explosive gas environment.

Product Features
Cast aluminum alloy shell, surface spray coating
Equipped with high breaking miniature circuit breakers or low-voltage molded case circuit breakers
It has overload and short circuit protection functions, and can also be installed according to requirements
Protective devices such as residual current shunt tripping
Both steel pipes and cables can be used for wiring
Meets the requirements of GB3836-2000. IEC60079 standard

Technical parameters of CBK52 series explosion-proof circuit breaker

model	Rated Voltage （V）	Rated tripping current (A)	Protection Rating	Explosion-proof marking	Inlet thread （G")	outer diameter of cable （φ,mm)
CBK52-32	380/220V	1. 2, 4, 6, 10, 16, 20, 25, 32	IP54 * IP55	Exde II BT6	one	12~17
CBK52-63		40, 50, 63			1 1 /2	13~16
CBK52-100/□		80, 100		Exde II BT5	1 1/2, 2	18~33
CBK52-225/□		125, 160, 180, 200, 225			2. 2 1/2	27~42
CBK52-400/□		250, 315, 350, 400			three	34~50
CBK52-630/□		500, 630			3. 3 1/2, 4	43~60

Appearance and installation