imo mu25a-u400 under voltage trip 400v ac

Why Choose the IMO MU25A-U400 Under Voltage Trip Module?

The IMO MU25A-U400 is a dedicated under voltage trip module designed specifically for use with IMO MU25A manual motor starters. Engineered for industrial automation and motor control systems, this accessory automatically trips the motor starter when the supply voltage drops below a safe operating threshold, helping prevent unsafe automatic motor restart when power returns.

Manufactured by IMO Precision Controls, the MU25A-U400 provides enhanced safety and protection for industrial machinery, motor control centres and automation equipment. The module mounts internally within compatible MU25A manual motor starters and is designed for operation on 380–415 V AC control voltages.

Part of the trusted IMO MU25A accessory range, the MU25A-U400 is widely used in industrial applications where protection against unexpected motor restart is essential. It is ideal for OEM machinery, conveyors, pumps, compressors and automation systems operating in demanding industrial environments.

Key Advantages

• Provides automatic under voltage tripping protection.
• Designed specifically for IMO MU25A manual motor starters.
• Helps prevent unsafe automatic motor restart after power failure.
• 380–415 V AC operating voltage.
• Compact internal mounting design.
• Reliable operation in industrial automation systems.

Key Features

• IMO MU25A accessory series.
• Under voltage release module.
• Internal mounting accessory.
• Designed for MU25A manual motor starters.
• Trips starter if voltage falls below safe threshold.
• Prevents automatic restart when voltage returns.
• Compact industrial construction.
• Suitable for industrial motor control applications.

Technical Specifications

• Manufacturer: IMO Precision Controls
• Series: MU25A Accessories
• Model: MU25A-U400
• Product type: Under voltage trip module
• Compatible products: IMO MU25A manual motor starters
• Control voltage: 380–415 V AC, 50 Hz / 440 V AC, 60 Hz
• Function: Under voltage release protection
• Mounting type: Internal mounting
• Power consumption: Approx. 2.7 VA / 1.8 W
• Application: Industrial motor control systems
• Industrial use: Motor restart prevention and safety protection
• Connection type: Internal accessory connection
• Construction: Industrial thermoplastic housing
• Compliance: IEC / EN 60947 compliant systems
• Operating environment: Industrial control panels and machinery
• Weight: Approx. 0.06 kg

Improved Safety for Industrial Motor Control Systems

Under voltage trip modules are used to improve motor safety by disconnecting motor starters if the control voltage falls below a safe operating level. This helps protect machinery operators and equipment by preventing motors from automatically restarting after a power interruption.

The IMO MU25A accessory range is widely used in industrial automation and motor control systems where dependable motor isolation and restart prevention are essential. The MU25A-U400 provides a compact and reliable solution for improving safety and compliance in industrial machinery installations.

Typical Applications

• Industrial motor control centres.
• Factory automation systems.
• OEM machinery and equipment panels.
• Industrial conveyors and processing systems.
• Pumps, compressors and ventilation systems.
• Industrial electrical control panels.

Trusted by Industrial Engineers Worldwide

IMO motor starter accessories are widely used in industrial automation and motor control applications to improve operational safety, reliable protection and dependable long-term performance.