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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.
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.
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
| 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 |
| 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 |
| Package Size | 22.00cm * 8.00cm * 8.00cm |
| Package Gross Weight | 1.500kg |
| 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 |
Related: Latest Innovations in Miniature Circuit Breaker Technology, which covers breaking capacity step by step.
Related: Best MCB Types for Residential Electrical Panels, which covers circuit breaker step by step.
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.
18 months from the date of receivement
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.
Up to the client
We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
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.
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