CTM1EL Series Moulded Case Leakage Circuit Breaker-Zhejiang Chengtong Electric Power Technology Co.,Ltd.

Model

CTM1EL-250

CTM1EL-400/630

Frame grade rated current Inm(A)

250

400/630

Rated current(adjustable)In(A)

(0.4~1.0)ln

Rated insulation voltage Ui(V)

AC1000

Rated impulse withstand voltage Uimp(kV)

Rated residual operated current I△n(mA)

30~1000 Step adjustable

2I△n limit non driving time(s)

0.06/0.1/0.2 Selectable setting

Pole

3P+N

Rated working voltage Ue(V)

AC400

AC690

AC400

AC690

Rated limit short-circuit breaking capacity class

Rated limit short-circuit breaking capacity Icu(kA)

Rated running shor-circuit breaking capacity lcs(kA)

Rated short time withstand current Icw(kA)/1s

Rated residual short-circuit making and breaking capacity I△m(kA)

25%lcu

Rated frequency

50Hz

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.

CTM1EL Series Moulded Case Leakage Circuit Breaker