Get quick appointment for technical support!

Get in Touch

WCM9-250 High Voltage MCCB Thermal-Magnetic Protection

WCM9-250 high voltage MCCB offers 50kA breaking capacity, 800V-1140V rating, and thermal-magnetic trip unit. 3P configuration with DIN rail mount. Ideal for industrial protection.

Social focus:

WCM9-250 High Voltage MCCB | 50kA & 800V-1140V Thermal-Magnetic Protection

WCM9-250 high voltage MCCB offers 50kA breaking capacity, 800V-1140V rating, and thermal-magnetic trip unit. 3P configuration with DIN rail mount. Ideal for industrial protection.

WCM9-630

WCM9-250 high voltage MCCB integrates thermal-magnetic overload & short-circuit protection. 50kA breaking capacity, rated for 800V-1140V, 3P configuration. DIN rail mount for easy installation. Reliable safety for industrial high-voltage power distribution.

Key Features:

High Voltage Rating: Supports 800V/1000V/1140V AC, making it suitable for demanding high-voltage power distribution systems.

High Breaking Capacity: Offers a robust 50kA short-circuit breaking capacity, delivering reliable fault current interruption in heavy industrial environments.

Thermal-Magnetic Trip Unit: Provides precise overload (thermal) and short-circuit (magnetic) protection, ensuring reliable coordination with system requirements.

DIN Rail Compatibility: Features easy installation on DIN rail with fast clip device, simplifying panel assembly and maintenance.

Applications:

Heavy Industrial Plants

Power Generation & Utilities

Oil & Gas Industry

Marine & Shipbuilding

WCM9
WCM9
WCM9
WCM9

Key attributes

Breaking Capacity 36 kA, 15 kA
Trip Unit Technology Thermal-Magnetic
Material Copper
Model Number WSB9L-125
Rated Voltage 800V, 1000V, 1140
Rated Frequency (Hz) 50/60 Hz
Place of Origin Zhejiang, China
Brand Name Westhomes

Packaging and delivery

Selling Units Single item

Lead time

Quantity (pieces) 1-2 3 – 100 > 100
Lead time (days) 7 15 To be negotiated

FREQUENTLY ASKED QUESTION (FAQ)

What is Westhomes WCM9-250 MCCB? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Westhomes WCM9-250 is a thermal-magnetic molded case circuit breaker (MCCB) designed for low-voltage power distribution systems. It provides reliable protection against overload and short-circuit faults through thermal and magnetic trip mechanisms.
It is suitable for industrial, commercial, and power distribution applications where stable circuit protection is required.

What are the main features of WCM9-250 MCCB? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

The main features include:
Thermal overload protection
Magnetic short-circuit protection
High breaking capacity
Compact molded case design
Reliable operation under industrial conditions
The WCM9 series is designed to provide safe and stable protection for modern electrical systems.

What is the rated current of WCM9-250 MCCB? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

The frame size of WCM9-250 is 250A. The actual rated current can be selected according to different application requirements.
The 250A frame design provides flexibility for various distribution systems.

What is the difference between thermal protection and magnetic protection? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Thermal protection responds to long-term overload conditions. When current exceeds the rated value for a certain period, the thermal mechanism trips the breaker.
Magnetic protection reacts quickly to short-circuit faults by instantly disconnecting high fault currents.

Where can WCM9-250 MCCB be used? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

WCM9-250 MCCB is commonly used in:
Industrial power distribution systems
Factory electrical cabinets
Commercial buildings
Motor protection applications
Energy management systems
It is suitable for applications requiring higher protection levels than miniature circuit breakers.

What is the difference between MCCB and MCB? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

The main differences are rated current range, breaking capacity, and application areas.
MCBs are mainly used for residential and small commercial circuits, while MCCBs are designed for industrial systems with higher current requirements.

Does WCM9-250 provide short-circuit protection? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Yes.
WCM9-250 integrates magnetic short-circuit protection. When a short circuit occurs, the magnetic trip unit quickly disconnects the circuit to reduce equipment damage risks.

Can WCM9-250 MCCB protect motors? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Yes, WCM9-250 can be applied in motor-related systems when properly selected according to motor rated current, starting current, and protection requirements.
For motor applications, engineers should consider starting current characteristics to avoid unnecessary tripping.

What standards does WCM9-250 MCCB comply with? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Westhomes MCCB products are designed according to international electrical standards and quality requirements.
They are manufactured under strict quality control systems to ensure reliable performance and safety.

Why choose Westhomes WCM9-250 MCCB? plus-square Created with Sketch Beta. minus-square Created with Sketch Beta.

Westhomes WCM9-250 combines reliable protection performance, durable construction, and professional manufacturing experience.
It provides an effective solution for customers requiring safe and stable low-voltage power distribution protection.

RELATED PROJECTS

REQUEST
YOUR FREE QUOTE

* indicates a required field