Audited Supplier
WSB7GQ Miniature circuit breaker (with overvoltage
/undervoltage protection) is a derivative product of
WSB7-63 Miniature circuit breaker equipped with
overvoltage and undervoltage modules. It has the
advantages of advanced structure, reliable performance,
high breaking capacity, beautiful and compact appearance.
It is suitable for residential buildings, office buildings and
similar buildings with AC 50Hz, rated voltage up to 400V, overvoltage protection setting value of 280V±5%;
undervoltage protection can be added with a setting value
of 160V±5%, and rated current below 63A. Overload, short
circuit and overvoltage protection for lighting, distribution
lines and equipment, and can also be used for infrequent
switching of lines and infrequent starting of motors under
normal circumstances.
This product complies with the requirements of GB10963.1
and IEC60898-1 standards.
| Model | WSB7G | WSB7GQ | ||
| Rated voltage Ue(v) | 230V | 230V | ||
| Rated current In(A) | 20, 25, 32, 40, 50, 63A | 20, 25, 32, 40, 50, 63A | ||
| Breaking capacity lcn (A) | 6000A(6~40A), 4500A(50~63) | 6000A(6~40A), 4500A(50~63) | ||
| Over and under voltage protection setting value (V) | 280±5% | 160±5% | ||
| Action time(S) | 0.1s | 0.1s | ||
| Number of poles (P) | 1P+N | 3P+N | 1P+N | 3P+N |
| Width(mm) | 36 | 72 | 36 | 72 |
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: Up to 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.
