Pole: 1, 2, 3, 4
kA: 6kA, 10kA
Amps: 6, 10, 16, 20, 25, 32, 40, 50, 63, 80
Width: 18, 36, 54, 72mm
Mounting: Din rail
Standard: IEC/EN 60898
WSB1-63 series MCBs are mainly applied at lines of AC 50Hz or 60Hz, rated operation voltage AC230/400V, rated current upto 63A, for overload and short circuit protection to the lines, also for changeover of infrequent operation to the lines. The MCBs are used at places of commercial office building, residential and similar building etc.
The product meets standards of GB 10963.1 and IEC 60898-1, at international advanced level.
Main technical parameters
|Rated current||Initial state||Test current||Time limit||Expected result|
|1||In≤63||Cold state||1.13In||t≤1h||Not tripping|
|2||In≤63||Just followed the last test item||1.45In||t<1h||Tripping|
|4||Type C||Cold state||5In||t≤0.1s||Not tripping|
|Miniature Circuit Breaker (MCB)||Upto 125A, 10kA, Curve type: A, B, C, D, 1P, 2P, 3P, 4P|
|Miniature Earth Leakage Circuit Breaker (MCB) (RCBO)||Upto 125A, 10kA, 0.3mA, Curve type: A, B, C, D, 1P, 2P, 3P, 4P|
|Moulded Case Circuit Breaker (MCCB)||Upto 2000A (adjustable), 100kA, 1P, 2P, 3P, 4P|
|Moulded Case Earth Leakage Circuit Breaker (ELCB) (RCCB)||Upto 2000A (adjustable), 100kA, 1000mA, 1P, 2P, 3P, 4P|
|Universal Circuit Breaker (ACB)||Upto 6300A, 100kA,|
|Switch Disconnector||Upto 125A, 1P, 2P, 3P, 4P|
|Surge Arrestor||Up 2.2/2.8kV, 100kA|
|Double Power Supplies Automatic Changeover Switch||Upto 2000A, 7.5kA, 1P, 2P, 3P, 4P|
|Load Switch Disconnector||Upto 3200A, 10kA, 70kA,|
|Distribution Box / Enclosure||Plastic / Metal|
Frequently Asked Question (FAQ)
Q: About the company
A: 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.
Q: About Warranty
A: 18 months from the date of receivement
Q: About shipment method
A: 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.
Q: About MOQ
A: Upto the client
Q: About payment method
A: We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
Q:About ordering process
A: 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.
Ms Stephanie Huang
Senior Sales Manager
Add: Liushi Town, Yueqing City, Zhejiang Provine, China 325604