3 Pole 400A MCCB | WCM8E-250M CE/CB Certified Molded Case Circuit Breaker
The WCM8E-250M is engineered to deliver consistent performance across various sectors, including manufacturing, construction, marine, and energy.
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3 Pole 400A MCCB – WCM8E-250M
The WCM8E-250M 3 Pole 400A Molded Case Circuit Breaker (MCCB) is a high-performance, CE and CB certified circuit protection device engineered for demanding low-voltage applications.
Designed using advanced international technologies, this MCCB offers exceptional electrical protection and high breaking capacity, making it ideal for large-scale distribution systems, industrial machinery, and marine electrical networks.
With a rated insulation voltage of 800V and rated operating voltage up to 690V, this 3-pole MCCB is built to handle heavy loads and ensure operational safety. It supports infrequent line switching and motor starting under AC 50Hz frequency, making it suitable for mission-critical applications where electrical stability is essential.
This model supports 400A rated current, offering robust protection against overload, short circuits, and under-voltage conditions. The MCCB is compact in size yet powerful in performance, providing a reliable circuit-breaking solution that minimizes risk and maximizes uptime.
KEY INFORMATION
| Model | Frame level rated current (A) | Current Rating (A) | Rated operation voltage (V) | Rated insulation voltage (V) | Rated ultimate short circuit breaking capacity (kA) 400V | Rated operation short circuit breaking capacity (kA) 400V |
| WCM8-63L | 63 | (6), 10, 16, 20, 25, 32, 40, 50, 63 | AC400 | AC500 | 25 | 18 |
| WCM8-63M | 50 | 35 | ||||
| WCM8-125C | 100 | (10), 16, 20, 25, 32, 40, 50, 63, 80, 100 | AC690 | AC800 | 20 | 10 |
| WCM8-125L | 35 | 17.5 | ||||
| WCM8-125M | 50 | 35 | ||||
| WCM8-125H | 85 | 50 | ||||
| WCM8-250L | 225 | 100, 125, 140, 160, 180, 200, 225 | AC690 | AC800 | 35 | 18 |
| WCM8-250M | 50 | 35 | ||||
| WCM8-250H | 85 | 50 | ||||
| WCM8-400L | 400 | 225, 250, 315, 350, 400 | AC690 | AC800 | 50 | 25 |
| WCM8-400M | 65 | 42 | ||||
| WCM8-400H | 100 | 65 | ||||
| WCM8-630L | 630 | 400, 500, 630 | AC690 | AC800 | 50 | 25 |
| WCM8-630M | 65 | 42 | ||||
| WCM8-630H | 100 | 65 | ||||
| WCM8-800M | 800 | 630, 700, 800 | AC690 | AC800 | 75 | 50 |
| WCM1-800H | 100 | 65 | ||||
| WCM8-1250 | 800 | 1000, 1250 | AC690 | AC800 | 65 | 40 |
| WCM8-2000 | 1250 | 1400, 1600, 1800, 2000 | AC690 | AC800 | 65 | 40 |
| Description | Specification | ||||||||||||||||||
| Frame level rated current Inm(A) | 63 | 125 | 250 | 400 | 630 | 800 | 1250 | ||||||||||||
| Breaking the capacity level | L | M | C | L | M | H | L | M | H | L | M | H | L | M | H | M | H | ||
| Overall Dimensions (mm)  |
W | 75/103 | 65/93/107 | 74.5/107/142 | 150/198;定140/184 | 182/238 | 210/280 | 210/280 | |||||||||||
| L | 136 | 150 | 165 | 257;定257 | 270 | 280 | 466 | ||||||||||||
| H | 66.5 | 61 | 79 | 81 | 99 | 102;定108 | 105.5 | 107.5 | 139 | ||||||||||
| H1 | 90.5 | 86 | 104 | 110 | 127 | 151.5;定146 | 155 | 155 | 190 | ||||||||||
| Mounting Dimensions (mm)  |
A | 25 | 30 | 35 | 44/90;定44/88 | 58 | 70 | 70 | |||||||||||
| B | 115 | 130.5 | 126 | 194;定215 | 200 | 243 | 300 | ||||||||||||
| Φd | 3.5 | 4.5 | 5 | 7;定6.5 | 7 | 7 | 9.5 | ||||||||||||
Basic Info.
| Model NO. | WCM8E-250M |
| Arc-extinguishing Medium | Air |
| Structure | MCCB |
| Type | Circuit Breaker |
| Certification | ISO9001-2000, CE, CB, CCC |
| Factory | Own |
| Payment | L/C, T/T, D/P, Western Union, Paypal, Money Gram |
| Specification | 10A-800A |
| Origin | China |
| Production Capacity | 5000PCS/Week |
| Speed | High-Speed Circuit Breaker |
| Installation | Fixed |
| Poles Number | 3p, 4p |
| Function | Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection) |
| Production Line | 100% Automic |
| Cooperation Type | OEM ODM |
| Transport Package | Paper Box |
| Trademark | Westhomes |
| HS Code | 8536200000 |
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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