CTM1EGZ Series IoT Intelligent Electrical Molded Case Circuit Breaker-Zhejiang Chengtong Electric Power Technology Co.,Ltd.

Model	CTM1EGZ-250				CTM1EGZ-400(630Capacity-increased type)					CTM1EGZ-630				CTM1EGZ-800
Frame grade rated current Inm(A)	250				400		630(Capacity-increased type)			630				800(630)
Rated current(adjustable)In(A)	(0.4~1.0)In
Rated working voltage Ue(V)	AC400/690
Rated insulation voltage Ui(V)	1000
Rated impulse withstand voltage Uimp(kV)	8
Pole	3		4 3					4 3				4 3				4
Rated limit short-circuit breaking capacity class	M	H	M	H	M	H		M	H	M	H	M	H	M	H	M	H
Rated limit short-circuit breaking capacity lcu(kA)	50	85	50	85	65	85		65	85	65	85	65	85	65	85	65	85
Rated running short-circuit breaking capacity lcs(kA)	35	50	35	50	50	50		50	65	50	65	50	65	50	65	50	65
Rated short time withstand current Icw(kA)/1s	5				5					10				10
Flashover distance(mm)	≤50				≤100					≤100				≤100

Q: Can circuit breaker specifications be customized based on project parameters?

Support customization requirements such as parameter tuning, communication protocol, wiring method, and appearance identification. The R&D team can provide adaptation solutions for engineering drawings.
Q: Can samples and testing reports be provided before procurement?

Samples can be applied for, and a complete set of materials such as third-party testing certificates, high-tech/specialized and new qualification documents, product qualification certificates, etc. can be provided to meet the requirements of bidding and power grid inventory review.
Q: What industries and projects is the product suitable for?

Widely used in industrial and commercial power distribution, photovoltaic new energy, municipal power grid renovation, residential buildings, factory workshops, charging pile supporting facilities, smart parks, old power distribution upgrades and other scenarios.
Q: What products can you offer?

We focus on the research and development, production, sales, and supporting services of intelligent circuit breaker series products.
Q: After we send you the inquiry, how long will it take to receive a response?

We will reply to you within 12 hours after receiving the inquiry on weekdays.

CTM1EGZ Series IoT Intelligent Electrical Molded Case Circuit Breaker