Potter Retard/Switch Assembly Replacement VSR is a precision component designed for fire alarm systems requiring reliable signal transmission and circuit control. This OEM replacement assembly integrates retarding and switching functionality to manage alarm signals with consistent performance across demanding installations. Built to Potter's exacting standards, it ensures seamless compatibility with existing VSR-equipped systems while maintaining code compliance and operational integrity. Ideal for facilities needing authentic replacement parts to restore full system capability and longevity.

The VSR switches and retard device are housed within a general-purpose, die-cast enclosure. The cover is secured by two tamper-resistant screws that can only be removed with a specialized key. An optional, field-installable cover tamper switch is also available, which can be used to signal any unauthorized cover removal. For instructions on installing this switch, refer to bulletin number 5401103.

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