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

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.

6. Company profile

ZHEJIANG YATAI INTELLIGENT ELECTRIC CO.,LTD is a professional solar PV electric components manufacturer located in Yueqing City, China.

We're specialized in DC circuit breakers, Surge Protective Devices, PV fuses, isolator switches, MC4 connectors etc.

Our experience of working in the electrical industry for more than 10 years allows us to create solar DC components that comply with the latest DC standards. We can assure you perfect quality and excellent service. We're looking forward to having a good-long term cooperaton with you and your company.

http://www.chyt-solar.com/