4 Relay Base Ec2 Series Kidde
SKU KD-KC2-RB4
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The KC2-RB4 is the 6-inch, trim-skirt version of Kidde's KC2 relay base, adding auxiliary relay functionality underneath any KC2 series detector head so a single conventional loop can also drive a fan shutdown, damper, or door closer directly off the detector's alarm state.
Why installers reach for it
- Built-in auxiliary relay: contacts change state automatically the moment the connected detector goes into alarm.
- Trim skirt included: the 6-inch diameter base ships with a trim skirt already in place, hiding mounting tabs without ordering a separate GSA-TS accessory.
- Shares detector diagnostics: works with any KC2-OS, KC2-OSH, or KC2-H head - no separate wiring scheme to remember per detector type.
Compatibility
Compatible with the full KC2 series head lineup (KC2-OS, KC2-OSH, KC2-H).
Specifications
| SKU | KD-KC2-RB4 |
|---|---|
| Brand | Kidde Commercial |
| Form factor | Relay base with integral trim skirt, 4 terminals, 6-inch diameter |
| Weight | 0.2 lb (0.09 kg) |
| Compatible detectors | KC2-OS, KC2-OSH, KC2-H |
| Function | Adds auxiliary relay output that follows the connected detector's alarm state |
| Mounting | Standard North American electrical box; trim skirt included |
Documents and resources
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Kidde Commercial
Kidde | Standard Detector Base with Trim Skirt, EC2 Series, 4-Inch Square | KC2-SB4
KD-KC2-SB4
