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63A Thermal Magnetic Moulded Case Circuit Breaker

ZYMM1-63M covers rated current of 10 to 63A, rated insulation voltage of 800V, rated impulse withstand voltage of 800V, rated working voltage of AC 400V and 690V. Only 1, 3 and 5 power lines and 2, 4 and 6 load lines are allowed.
Yuming Electric’s moulded case circuit breaker is designed to use in power distribution networks as distribution of electrical energy and protection of overload, under voltage and short circuit protection of lines and power supply equipment. We always provide high-performance products to keep your employees, customers and end users safe.
 
We can provide customized service according to your requirements or datasheet/drawings/pictures of the products you send us.
 
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Product Parameter

Model

ZYMM1-63M

Number of poles

3

4

Rated current In(A)

6,10,16,20,32,40,50,63

Rated insulation voltage(V)

690

Rated working voltage(V)

AC 400/690

Breaking capacity class

L

M

Ultimate short circuit breaking capacity Ics(kA)

400V

25

50

Operating short circuit breaking capacity Icu(kA)

400V

18

30

Number of operation cycles/times

Per hour


Electrify

4000

No electricity

6000

Power dissipation(W)

Fixed

20

25

33

Plug-in

25

30



Features

◆ Rated current up to 800 A, installation: vertical and horizontal.

◆ High interruption, short arc (partial zero arc) and vibration resistance.

◆ Compact size, easy to integrate into switchboards and power supply boards.

◆ Screw mounting.

◆ Circuit breakers can last a very long time.


FAQ

Q:What is an Arc?

A:As the contacts of a circuit breaker carrying current open, the medium between the open contacts becomes highly ionised and the interrupted current gains a low resistance path through it and continues to flow through that path, even if the contacts are physically separated. During the flow of current from one contact to the other, the path becomes so hot that it glows. This is known as an arc.


Q:Where to use?

A:These circuit breakers are suitable for use in panels, switchboards, motor control centres, control panels, combined starters, individual enclosures and busbar plug-in units.


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