CTM9LR/3NY-Z Series Residual Current Operated Circuit Breaker Automatic Recloser - Zero Line On The Left-Zhejiang Chengtong Electric Power Technology Co.,Ltd.

Model	CTM9LR-125-Z		CTM9LR-250-Z		CTM9LR-400-Z/CTM9LR-630-Z(Capacity-increased type)			CTM9LR-630-Z/CTM9LR-800-Z
Frame grade rated current Inm(A)	125/160		250/320		400/630			800/630
Pole	3P+N/4P
Rated current (adjustable) In(A)	(0.4~1.0)In
Rated insulation voltage Ul(V)	1000
Rated impulse withstand voltage Uimp(kV)	12
Rated working voltage Ue(V)	AC380/400/415
Rated limit short-circuit breaking capacity class	M	H	M	H	L	M	H	L	M	H
Rated hmit short-circuit breaking capacity lcu(kA) AC400V	50	85	50	85	50	65	85	50	65	85
Rated running shot-circuit breaking capacity Ics (kA) AC400V	35	50	35	50	35	50	65	35	50	65
Rated short time withstand current Icw(kA)/1s	10		10		10			10
Rated nesidual operated curnent ISs n (mA) I△n(mA)	30/50/75/100/200/300/500/OFF step regulation (non time delay type)
	50/75/100/200/300/500/800/1000/OFF step regulation (time delay type)
Overvoltage operated value	280V±5% default as(OFF), and it can be(ON) 310V±5% (photovoltaic)
Undervoltage operated value	165V±5% default as (OFF), and it can be (ON)

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.

CTM9LR/3NY-Z Series Residual Current Operated Circuit Breaker Automatic Recloser - Zero Line On The Left