MCCB Shunt Release | Onesto KCM5

The Onesto KCM5 Shunt Release is a remote-tripping accessory that fits onto a KCM5 MCCB, allowing the breaker to be opened electrically from a remote switch, fire alarm system, emergency stop circuit or protection relay. It is suitable for electricians, panel builders and control system integrators who need remote or automatic disconnection of an MCCB. Available sized to match the 160S, 250S, 400S, 630S, 800S, 1000S or 1250S KCM5 MCCB frame, in 24VDC, 110VDC, 220VAC or 380VAC coil voltage, fitted to the right-hand mounting position.

• Application: Remote or automatic tripping of an MCCB from a switch, relay or protection system
• Key specification: Available in 24VDC, 110VDC, 220VAC or 380VAC coil voltage
• Compatibility: Select the size matching your installed MCCB frame
• Mounting position: Right-hand mounting

Key Features

• Trips the breaker open on command from a remote signal at the selected coil voltage
• Fits directly onto the matching Onesto KCM5 MCCB frame without modification

Typical Applications

• Fire alarm interlocking (emergency electrical shutdown)
• Emergency stop and safety circuits
• Remote or automatic disconnection from a protection relay or BMS
• Generator and changeover panel control

Technical Specifications

What's Included

• 1 x Shunt Release module (sized and voltage as selected)

Please note: The MCCB itself is not included and must be purchased separately.

Installation & Compatibility Notes

• Confirm the frame size of your installed MCCB and the correct coil voltage before ordering.
• This accessory fits the right-hand mounting position — confirm this position is free on your breaker.
• Installation, including any fire alarm or safety interlock wiring, must be carried out by a suitably qualified electrician in accordance with local electrical regulations.

Warranty & Support

This product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms.

Zisabo supplies quality plumbing, pump, filtration and electrical products with practical support to help customers choose the correct item for their application. If you are unsure whether this product is suitable, contact us before ordering and our team will assist where possible.

Need help choosing? If you are unsure which frame size or coil voltage is correct for your MCCB, contact Zisabo with your breaker model details and control voltage and we will assist where possible.