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400A Industrial Solar Energy DC Circuit Breaker

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Product Introduction

TM1Z-400 covers current of 250A, 315A, 350A and 400A, rated working voltage of 500V, 750V and 1000V, rated insulation voltage of 1000V, rated impulse withstand voltage of 8kV. DC MCCB supplementary protectors are designed to provide overcurrent protection within appliances or electrical equipment that already provide or do not require branch circuit protection.

Yuming Electric’s TM1Z-400 is suitable for PV combiner, solar inverter, battery charge system and other applications, offering optimised products for DC system applications, such as PV and ESS.


Product Parameter

Model

TM1Z-400

Rated current In(A)

250,315,350,400

Rated working voltage Ue(V)DC

500V,750V.1000V

Rated insulation voltage Ui(V)

1500V

Rated impulse withstand voltage Uimp(kV)

8kV

Test pressure for one minute(V)

3550

Ultimate short circuit breaking capacity(kA)Icu

(Ics=75%Icu)

250V

35

500V

35

750V

35

1000V

35

Mechanical life

Total number of times

4000

Electrical life

Total number of times

1000

Total breaking time (ms)

20

20

Mounting position

Any position

Availability of isolation characteristics

Yes

Standard

IEC60947-2、IEC60947-1、GB14048.1、GB14048.2

Permissible ambient temperature

-25℃~+50℃

Protection class

IP20

Available with accessories

Auxiliary, alarm, sub-excitation, hand-operated, electrically operated, mechanical interlock

Arcing distance(mm)

≧50

Instantaneous action value

12In

Mounting method

Fixed, insertion type


Features

◆ It can be used as the main switch protection for high-power solar systems.

◆ The DC MCCB has a higher DC voltage, so the high section capability of the DC ◆ MCCB is very suitable for DC systems.

◆The operating mechanism of the DC circuit breaker has fast closing and fast breaking functions, compact structure, small size and easy to use.

◆ It has a thickened handle for flexible handling.


FAQ

Q:Is there any discount you can offer?

A:Yes, for large quantities, we offer better prices.


Q:How do I choose an MCCB?

A:Load. The current carrying capacity (In, A) of the circuit breaker should be higher than the expected load in the circuit.


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