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The WSB9L-100 Mini Circuit Breaker (MCB) is a high-quality AC air circuit breaker that combines overload, short circuit, and earth leakage protection in a compact and reliable design.
With rated breaking capacities of 6kA and 10kA, the WSB9L-100 MCB ensures safe disconnection of power during fault conditions, significantly reducing the risk of fire, electric shock, or equipment damage.
The WSB9L-100 Mini Circuit Breaker (MCB) is designed for AC 50/60Hz circuits, This device supports rated voltages of AC230V and currents up to 100a, making it an ideal choice for residential, commercial, and light industrial electrical installations.
It is suitable for infrequent line switching under normal operating conditions, and it is widely used in homes, hotels, industrial facilities, mining areas, and other similar buildings.
This Earth Leakage Circuit Breaker (ELCB) complies with GB 16917.1 and GB 16917.22 national standards, ensuring performance and reliability that meet strict quality and safety benchmarks.
Advantages:
Reliable protection against electric shocks and current leakage
High short-circuit breaking capacity for enhanced safety
Durable and compact design for easy panel integration
Ideal for both residential and commercial electrical systems
Supports infrequent manual switching of electrical lines
| Rated voltage (V) | Initial state | Rated residual action current IΔn (ma) | Rated residual non-action current IΔno (ma) | Max breaking time | Rated short-circuit breaking capacity (A) | Type of instantaneous releaser | ||
| IΔn | 2IΔn | 5IΔn | ||||||
| AC230 | 6, 10, 16, 20, 25, 32, 40, 50, 63, 80, 100 | 30 | 15 | 0.2 | 0.1 | 0.04 | 6000 | C |
| Current rating (A) | Test current | Initial state | Time limit | Expected result | Remarks | |||
| 6, 10, 16, 20, 25, 32, 40, 50, 63, 80, 100 | 1.13In | Cold | t≤1h (6-63A) | Not tripping | / | / | / | |
| t≤2h (80A) | Tripping | / | / | / | ||||
| 1.45In | Thermal | t<1h (6-63A) | Tripping | Current rise to the set value in 5s steadily | / | / | ||
| t<2h (80A) | Tripping | / | / | |||||
| 2.55In | Cold | 1s | Tripping | In≤32A | / | / | ||
| 1s | In>32A | / | / | |||||
| C | 5In | Cold | t≤0.1s | Not tripping | Connect the current by closing the auxiliary switch | / | / | |
| 10In | t<0.1s | Tripping | / | / | ||||
| Model NO. | WSB9L-100 |
| Arc-extinguishing Medium | Air |
| Structure | MCB |
| Type | Circuit Breaker |
| Certification | ISO9001-2000, CE, CB, CCC |
| Ka | 6ka(N); H:10ka(H) |
| Width | 36, 72mm |
| Specification | GB 16917.1&GB 16917.22 |
| Origin | Prc |
| Production Capacity | 15, 000, 000 |
| Speed | Normal Type Circuit Breaker |
| Installation | DIN Rail |
| Poles Number | 1p+N, 3p+N |
| Function | Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection) |
| AMPS | 6, 10, 16, 20, 25, 32, 40, 50, 63, 100 |
| Voltage | AC400V |
| Transport Package | Paper Box |
| Trademark | Westhomes |
| HS Code | 8536200000 |
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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