Get quick appointment for technical support!

Get in Touch

WSB1-63 MCB 1P Miniature Circuit Breaker

The WSB1-63 1P Miniature Circuit Breaker (MCB) Engineered to deliver 6kA breaking capacity, this compact circuit breaker is ideal for residential, commercial, and similar building installations where 1-pole circuit protection is required.

Social focus:

WSB1-63 MCB 1P Miniature Circuit Breaker for AC230/400V

The WSB1-63 1P Miniature Circuit Breaker (MCB) is designed for reliable overload and short-circuit protection in AC circuits of 50Hz/60Hz, with a rated voltage of 230V/400V and a rated current range from 6A to 80A.

WSB1-63 1p Description

As part of the trusted WSB1-63 series, this 1P MCB ensures dependable electrical line protection and supports infrequent manual switching. It conforms to international standards GB 10963.1 and IEC 60898-1, ensuring high-quality performance that meets global safety and manufacturing benchmarks.

Applications:

Compact moulded case design for panel integration
Commercial office buildings
Residential complexes
Light industrial installations
Control panels and distribution boards

Key Features:

1P (Single Pole) configuration
Rated current: 6A–80A
Rated voltage: AC 230V/400V
Breaking capacity: 6kA
Complies with GB 10963.1 & IEC 60898-1
Safe and efficient protection against overload and short circuits

KEY INFORMATION

Item No. WSB1-63
Rated current In(A) 6, 10, 16, 20, 25, 32, 40, 50, 63
Pole number 1P, 2P, 3P, 4P
Trip characteristics C type(5-10In); D type(10-20In)
Rated insulating voltage Ui(V) 690
Rated operating voltage Ue(V) AC230V/AC400V
Rated impulse voltage Uimp(kV) 4
Breaking capacity Icu(kA) 6
Mechanical life(times) 20000
Electrical life(times) 4000

Main technical parameters

No. Rated current Initial state Test current Time limit Expected result
1 In≤63 Cold state 1.13In t≤1h Not tripping
In>63 t≤2h
2 In≤63 Just followed the last test item 1.45In t<1h Tripping
In>63 t<2h
3 In≤32 Cold state 2.55In 1s Tripping
In>32 1s
4 Type C Cold state 5In t≤0.1s Not tripping
10In t<0.1s Tripping

Packaging & Delivery

Package Size 22.00cm * 8.00cm * 8.00cm
Package Gross Weight 1.500kg

Overall and Mounting Dimension(mm)

WSB1-63 1p dimension

Basic Info.

Model NO. WSB1-63
Arc-extinguishing Medium Air
Structure MCB
Type Circuit Breaker
Certification ISO9001-2000, CE, CB, CCC
Voltage AC230V/400V
Production Line 100% Automatic
Trademark Westhomes
Specification 18mm
HS Code 8536200000
Speed Normal Type Circuit Breaker
Installation Fixed
Poles Number 1p-4p
Function Conventional Circuit Breaker,
Circuit-Breaker Failure Protection,
Overcurrent Protection,
OVP(Overvoltage Protection)
Cooperation Type ODM OEM
Rated Current 1, 2, 3, 5, 6, 10, 16, 20, 25, 32, 40, 50, 63
Transport Package Paper Box
Origin China
Production Capacity 10000PCS/Week

FREQUENTLY ASKED QUESTION (FAQ)

About the company plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Westhomes® is a professional manufacturer for low voltage and high voltage electrical products with a thirty-year history.

Main supplier of state-owned companies like China Stae Grid, China Southern Power Grid through bidding with bunches of test certificates, sales records and operation performance to support.

Enough investment for research and development for the products innovation.

About warranty plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

18 months from the date of receivement

About shipment method plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Depends on the required quantity and delivery urgency, both international express like UPS / DHL / EMS / HK EMS / FedEx / TNT (door to door service) and normal sea shipping & air freight also avaliable.

About MOQ plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Up to the client

About payment method plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.

About ordering process plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

First to send an inquiry via made-in-china platform or directly to the contact e-mail address. All the following thing is the communication between us.

REQUEST
YOUR FREE QUOTE

* indicates a required field