SKU: NBT2 – 125DC Categories: ,

MCB DC 125A 2Pole

NBL7-63 DC MCB supplementary protectors are designed to provide over-current protection within appliances or electrical equipment, where a branch circuit protection is already provided or not required. Devices are designed for direct current (DC) control circuit applications.

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Description

1. Product Introduction

NBL7-63 DC MCB supplementary protectors are designed to provide over-current protection within appliances or electrical equipment, where a branch circuit protection is already provided or not required. Devices are designed for direct current (DC) control circuit applications.

2. Product Specifications

Product Model NBL7-63
Pole 1P 2P
Rated Current (A) 6, 10, 16, 20, 25, 32, 40, 50, 63
Rated Voltage (Vdc) 300 600 1000
Breaking Capacity(kA) 6
Characteristic Curve C
Working Temperature -5℃ ~+40℃
Enclosed Class IP20
Standard IEC60947-2
Frequency 50/60Hz
Electrical Life Not less than 8000 times
Mechanical Life Not less than 20000 times

3. Product feature

1. Overload and the short circuit protection function

2. Rated short circuit breaking capacity up to 6kA

3. Non-polarity and Polarity both available

4. Rated Current In up to 63A

4. Product Details

1. Thermoset shell, With thermosetting resin as the main component, flame retardant

2. Wide handle, Handle arc in line with human habits, improve operating comfort and show design intentions

3. Visualirzation window, Red and green lights indicate at a glance

5. FAQ

Q: Are AC and DC circuit breakers the same?

A: For instance, the AC voltage and current may have different effect in the circuit other than the DC with the same level of voltage. For this reason, An AC circuit breaker can’t be used for DC circuits. Similarly, DC circuit breakers can not be used for AC circuits.

Q: What is DC circuit breaker?

A: DC circuit breakers can be used to protect individual loads that work with direct current, or they can be used to protect main circuits such as those of inverters, solar PV arrays, or battery banks.

Q: Are DC breakers different than AC breakers?

A: In short, DC is difficult to extinguish the arc, while AC is easy to extinguish the arc with an overshoot of zero.

Q: When I can receive quotation and detail information after send the enquiry?

A: Reply will be sent in 48hours.

Q: Could I know the payment method please?

A: 1) Standard order could pay by T/T,L/C

2) Small order could support the Paypal, Western Union, Money Gram(credit card acceptable).

Q: What’s your main product?

A: We have two product projects, low voltage DC and AC electrical

Q: Do you have warranty policy?

A: We offer at least 2 year-warranty for our products, longer warranty for products, and full lifespan aftersales service.

Additional information

Options:

125A – 2 POLE

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