Interconnect Smoke Relay Module Accessory Kit For Fire Alarm Systems, 408 SM120X Replacement, Compatible With Ki-Dde Kn-Cosm-Iba Fire Alarms, Internal Power Supply For Pull Station And Auxiliary Warning Devices

Smoke Relay Module Kit for Fire Alarm Interconnect SM120X
✔️ Single unit interconnect smoke relay for alarms and accessories

This 408-SM120X interconnect accessory module acts as a relay that is activated by a smoke alarm interconnect signal. The relay switches external warning devices such as bells, sirens, hallway lights, or stairwell lighting. It provides isolated, normally open and normally closed contacts with no direct connection to 120 VAC on the relay side. It’s designed to integrate with Kidde Fyrnetics devices and KN-COSM-IB/IBCA interconnect alarms, extending your safety signaling network.

✅ Compatible with Kidde Fyrnetics interconnect devices and KN-COSM-IB/IBCA alarms
✅ Activates external warnings when a smoke interconnect signal is received
✅ Isolated contacts: normally open and normally closed; no internal 120 VAC on relay
✅ Power: 120 VAC, 60 Hz, 0.08 A; includes 10 in. long 18 GA pigtail leads
✅ Test/reset button included; designed for interconnected installations
✅ Operating range: 40°F to 100°F (4.4°C to 37.8°C), up to 90% RH

💡 What is a smoke relay module used for in a home fire alarm interconnect system?

Here's a concise answer: - It enables the interconnect signal from the main smoke alarm to drive external warnings like bells, sirens, or lighting
- It keeps the relay electronics isolated from mains while switching auxiliary devices
- It works with Kidde Fyrnetics interconnect devices to expand signaling across multiple alarms
- It provides a handy way to add extra audible/visual alerts in larger spaces