WSB5 1P+N MCB 4.5kA Miniature Circuit Breaker | C10 C16 C32 C40
Westhomes WSB5 1P+N Miniature Circuit Breaker – Compact Protection with Integrated Neutral Switching.
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Shop Westhomes WSB5 1P+N MCB with 4.5kA breaking capacity. Perfect for homes & industry, this reliable Miniature Circuit Breaker is DIN rail mountable.
Westhomes WSB5 1P+N Miniature Circuit Breaker – Compact Protection with Integrated Neutral Switching.

The Westhomes WSB5 Series 1P+N MCB is designed to provide reliable overcurrent and short-circuit protection for single-phase circuits while offering the convenience of combined phase and neutral switching in a compact form factor. Ideal for both residential and light industrial applications, this breaker ensures safety and ease of installation.
Key Features:
1P+N Design: Switches and protects the phase conductor while simultaneously switching the neutral, ensuring complete circuit isolation when turned off.
Wide Range of Ratings: Available in popular amperages including C10, C16, C32, and C40 to suit various circuit requirements from lighting to high-power appliances.
Reliable Breaking Capacity: Rated at 4.5kA breaking capacity, providing robust protection against short circuits in residential and commercial settings.
Standardized Voltage: Designed for 220/230V AC systems at 50/60Hz, compatible with common household and industrial power supplies.
Tool-Free Installation: Features a fast clip device for quick and secure snap-on mounting to standard 35mm DIN rails, reducing installation time.
Dual-Purpose Safety: Engineered with safety features suitable for both industrial environments and household use, ensuring versatile application.
Applications
Main switch for residential lighting and socket circuits, small office power distribution, light industrial control panels, and appliance protection (water heaters, air conditioners)
| Type | MCB, AC MCB |
| BCD Curve | B, C |
| Rated Frequency (Hz) | 50hz/60hz |
| Material | Copper |
| Application | Circuit-Breaking, Industrial, Households, Protection, Electric Power |
| Model Number | WSB5-40 |
| Rated Voltage | 220V/230V |
| Breaking Capacity | 4.5 kA, 3kA |
| Mounting Type | Rail Mounting |
| Protection | LSI |
| Place of Origin | Zhejiang, China |
| Brand Name | Westhomes |
| Model | WSB5-40 | |||||||
| Rated Voltage Ue | AC230V | |||||||
| Ratedcurrentin(a) | 6A,10A,16A,20A,25A,32A,40A | |||||||
| Breaking Capacity | Ctype:Ics=Icn:4500A(6~32A) B type:Ics=Icn:3000A(6~32A) |
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| Poles | 2P(With one protectivepole) | |||||||
| Standardization | GB/T16917.1;GB/T16917.22 | |||||||
| Selling Units | Single item |
| Quantity (pieces) | 1 – 1,000 | > 1,000 |
| Lead time (days) | 15 | To be negotiated |
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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