CHINT NB1-63 Miniature Circuit Breaker

1.1 Function

protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.

NB1 circuit-breakers are used in domestic installation, as well as in commercial and industry electrical distribution systems.

1.2 Selection

Technical data of the network at the point considered:short-circuit current at the circuit-breaker installation point,  which must always be less than the breaking capacity of this device,network normal voltage.

Tripping curves:

B curve (3-5In)

protection for people and big length cables in TN and IT  systems.

C curve (5-10In)

protection for resistive and inductive loads with low inrushcurrent.

D curve(10-14In)

protection for circuits which supply loads with high inrush current at the circuit closing

(LV/LV transformers, breakdown lamps).

1.3 Approvals and certificates

Detailed information, please refer to Certificates Table on the last page.

Port：
Shanghai / Ningbo / Shenzhen

Lead Time:
1~1000pcs, within 7 days;
>1000pcs, to be negotiated

Q1: Can you do OEM or ODM Services?

A: Yes, we can, just send your requirements to us.

Q2: What is the MOQ?

A: Small order welcome, MOQ=1PC.

Q3: What about the lead time and shipment? 

A: Standard ( popular model ) can be ship within 2 day, bulk order can be delivered within 10~35 days.

For shipping, we often use DHL, FedEx, UPS, and TNT. For bulk order, we recommend to send goods by Air or by Sea to save your transportation cost.”

Q4: What is the warranty for your Power Supply?

A: 2 ~ 7 years based on different series.

Q5: What is your payment terms?

A: We accept pay via Bank Transfer, Paypal, Western Union, MoneyGram, Wechat and Alipay.