Siemens 5SH5404 Shunt Trip 24V AC/DC for MCB Accessory

Shunt trip accessory for Siemens miniature circuit breakers, enabling remote tripping of 5SY, 5SP, and 5SL series MCBs. This side-mounted module operates at 24 V AC or DC, providing a reliable method to disconnect circuits from a distance for safety or control purposes. With a compact 1-module width, it integrates seamlessly into distribution boards without sacrificing space.

Advantages

The shunt trip allows for immediate circuit interruption upon receiving an external signal, enhancing system safety and enabling automated shutdown in emergency situations. Its screw terminals accept solid or stranded conductors from 0.75 to 2.5 mm², ensuring secure and straightforward wiring. The device is built to withstand harsh conditions, with an operating temperature range from -25 to +55 °C and storage from -40 to +75 °C. Compliance with IEC/EN 60947-2 guarantees high quality and reliability.

Suitable for

• Remote tripping of Siemens 5SY, 5SP, and 5SL miniature circuit breakers
• Integration into control systems for safety shutdowns
• Applications requiring low-voltage AC or DC tripping at 24 V
• Distribution boards with limited space due to 1-module width

Key specifications

• Rated operating voltage: 24 V AC / 24 V DC
• Power consumption: max 3 VA (AC) / 3 W (DC)
• Mounting: side-mounted on right side of MCB
• Connection: screw terminals, 0.75–2.5 mm²
• Degree of protection: IP40 (housing), IP20 (terminals)
• Operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-2
• Module width: 1 module (18 mm)

Recommendations

For optimal performance, pair this shunt trip with compatible Siemens MCBs and ensure the control signal voltage matches 24 V AC or DC. Professional installation by a qualified electrician is advised to maintain safety and compliance.