Get quick appointment for technical support!

Get in Touch

WSB1-63 2P Miniature Circuit Breaker

The WSB1-63 compact and reliable 2P MCB is the ideal solution for protecting dual-phase circuits and ensuring system integrity in demanding electrical environments.

Social focus:

WSB1-63 2P MCB 6kA 63A | Low Voltage AC230/400V

This WSB1-63 2-pole MCB offers dependable overload and short-circuit protection, along with safe manual switching for infrequent operations.

WSB1-63 2p Description

The WSB1-63 2P Miniature Circuit Breaker (MCB) is a high-performance protection device designed for low voltage AC circuits operating at 50Hz or 60Hz, with a rated voltage of AC230V/400V and rated current up to 63A.

As part of the advanced WSB1-63 series, this circuit breaker is ideal for residential buildings, commercial offices, and similar electrical installations. It is engineered to meet both GB 10963.1 and IEC 60898-1 standards, ensuring global compatibility and long-term operational safety.

Key Features:

2P (Double Pole) Miniature Circuit Breaker
Rated Voltage: AC230V/400V
Rated Current: Up to 63A
Breaking Capacity: 6kA
Frequency: 50Hz / 60Hz
Designed for short-circuit and overload protection
Suitable for manual line switching in non-frequent operations
Conforms to GB 10963.1 and IEC 60898-1

Typical Applications:

Commercial and office buildings
Residential distribution systems
Light industrial electrical panels
Low-voltage power control systems

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