WNB1-63 1P MCB 6kA Miniature Circuit Breaker | B/C/D Curve
Westhomes WNB1-63 1P Miniature Circuit Breaker – Reliable Overload & Short Circuit Protection for Single-Phase Circuits.
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WNB1-63 1P MCB 6kA Miniature Circuit Breaker
Shop the Westhomes WNB1-63 1P MCB. 230V single-pole protection with 6kA breaking capacity. Available in B/C/D curves. DIN rail mount. Ideal for home lighting.
The Westhomes WNB1-63 Series 1P MCB is designed to protect single-phase lighting and socket circuits against overloads and short circuits. Engineered for residential and commercial distribution boards, this single-module (18mm) breaker maximizes space efficiency while delivering high-performance protection.
Key Features:
Single Pole Protection: Switches and protects the phase (live) conductor only, ideal for final sub-circuits.
High Breaking Capacity: Features a 6kA rated short-circuit capacity, ensuring rapid fault clearance to safeguard downstream equipment.
Multiple Tripping Curves: Available in B, C, and D curves. The C-curve characteristic is perfectly suited for standard lighting and receptacle loads.
Wide Application: Rated for 230V AC at 50/60Hz, compatible with global residential power standards.
Easy Installation: Complies with standard 35mm DIN rail mounting for quick and secure snap-on installation with lift terminals for firm wiring.
Applications
Residential lighting circuits, general-purpose socket outlets, small appliances, and control transformers.
Key attributes
| Type | MCB |
| BCD Curve | B, C, D |
| Rated Frequency (Hz) | 50hz/60hz |
| Material | Copper |
| Application | Circuit-Breaking |
| Model Number | WNB1-63 Series |
| Rated Voltage | 220V/230V, 400 V |
| Breaking Capacity | 6 kA |
| Mounting Type | Rail Mounting |
| Protection | Li |
| Place of Origin | Zhejiang, China |
| Brand Name | Westhomes |
| Standard | IEC/EN 60898-1 |
| Protection | Overcurrent and short circuit |
| Type of trip | Thermo-magnetic |
| No.of poles | 1P,1P+N,2P,3P,3P+N,4P |
| Rated currents(In) | 1,2,3,4,5,6,8,10,16,20,25,32,40,50,63A |
| Rated voltage(Ue) | 240/415V~ |
| Rated frequency | 50/60Hz |
| Rated breaking capacity | 3KA,4.5KA,6KA. |
| Rated impulse withstandard voltage(1,5/50)Uimp | 4,000V |
| Dielectric test voltage at Ind.Freq.for 1 min | 2kV |
| Thermal release characteristic | (1.13-1.45)x In |
| Magnetic release characteristic | B:(3-5)x In,C:(5-10)x In,D:(10-20)x In |
| Electrical life | 4,000 Cycles |
| Mechanical life | 10,000 Cycles |
| Contact position indicator | Yes |
| Protection degree | IP20 |
| Ambient temperature | -5℃ to+40℃,Max.95%humidity |
| Terminal connection type | Cable/Pin-type busbar |
| Installation | Mounting on 35mm DIN rail |
| Connection | From top and bottom |
Packaging and delivery
| Selling Units | Single item |
Lead time
| Quantity (pieces) | 1 – 1,000 | > 1,000 |
| Lead time (days) | 15 | To be negotiated |
155 MB
FREQUENTLY ASKED QUESTION (FAQ)
About the company
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.
About warranty
18 months from the date of receivement
About shipment method
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.
About MOQ
Up to the client
About payment method
We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
About ordering process
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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