Custom CKX Explosion-proof Circuit Breakers Module

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Custom CKX Explosion-proof circuit breakers module

Home / Products / Exd, Exe components& cable glands& boxes / CKX Explosion-proof circuit breakers module

CKX Explosion-proof circuit breakers module

Prodcuts Features:

● CKX box can be mounted inside of Ex e box to improve its degree of protection, and corrosion resistance● CKX box can be used separately but with Ex d cable glands.● CKX box can be used together with Ex d cable bushings or conductive flame-proof shaft.● Circuit breakers, magnetic starters, big switches and other normal components can be mounted inside. Operation handle is available to mount externally to operate the internal components.● Measuring instruments can be mounted inside and can be observed from window.● Four outline dimensions, and seven different specifications.● Rated voltage: up to 690V.● Rated current: up to 250A.● IECEx International certification and ATEX European Approval.

Product Parameter

Product type：	Explosion-proof circuit breakers module
Certification：	CCC IECEX ATEX
Application range (zones)：	2G/Gb/zone 1
Min.ambient temperature：	-20℃
Max.ambient temperature：	+60℃
Min.operating temperature：	-20℃
Max.operating temperature：	+110℃
Rated voltage：	220/230V, 380/400V
Rated current：	max. 250A
Material of enclosure：	aluminum-alloy

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Main technical data
Optional Ex components
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Certification：

China: CNEx16.1134U Ex mark: Ex d ⅡC Gb / Ex tD A21 IP66 IECEx: IECEx CML 18.0064U Ex mark: Ex db eb ⅡB+H2 Gb Ex tbⅢC Db ATEX: CML 18ATEX 1117U Ex mark: Ⅱ2G Ex db eb ⅡB+H2 Gb Ex tbⅢC Db

Intended use:

Can be used in zone 1 and zone 2

Ambient temperature：

-20℃≤Ta≤+60℃

Operating temperature：

-20℃ ~ +110℃

Rated voltage：

220/230V、380/400V

Rated current:

max. 250A

Rated ultimate short-circuit breaking capacity Icu:

see below table, ( kA)

Rated service short-circuit breaking capacity Ics:

see below table, ( kA)

Rated voltage	CKX250/2-2-EZD100				CKX300/2-2-EZD160、250
	E		M		E		M		S
	lcu	lcs	lcu	lcs	lcu	lcs	lcu	lcs	lcu	lcs
220/230V	50	25	65	30	50	25	85	43	100	50
380/400V	25	13	35	17	25	13	36	18	50	25

Terminals of circuit breaker module:

10 ~ 50mm² ( CKX250 ) 25 ~ 120mm² ( CKX300 )

Material of enclosure:

aluminum-alloy

Video
Switch handle CZ8000-8003-4DB

For CKX2500, CKX300 box, Numbers per package: 4pcs 8027
Download

About CZ

CZ Electric Co., Ltd was established in 1990, is a CKX Explosion-proof circuit breakers module suppliers, and is headquartered in Jiaxing City, Zhejiang Province, CZ can provide users with comprehensive explosion-proof safety system solutions. Products are widely used in engineering projects such as petrochemicals, medical machinery, food processing, precision electronics, military ships, aerospace and aviation. The products are exported to 56 countries and regions such as the European Union, the Middle East, Southeast Asia, Russia, Japan, Australia. CZ has agents or offices in 28 countries and regions, and has participated in the construction of key projects: oil and gas pipeline projects in cooperation between China and Turkmenistan , PetroChina Fushun 10 million tons refinery 800,000 tons ethylene project, Kuwait National Petroleum HEAVY OILLONG TERM TESTING FACILITY (HOLTTF) project, Oman National Petroleum Corporation MABRUK PROJECT-PRRF project, Australia Ichthys liquefied natural gas (LNG) project and other projects and won praise from users.