Description
MTL 8922-RB-IS
Technical Specifications:
- Brand: MTL (Eaton)
- Model: 8922-RB-IS
- Product Type: Intrinsically Safe Relay Barrier
- Safety Rating: Intrinsically Safe (IS)
Functional Features:
- Safe Switching: Allows control system relays to safely switch hazardous area loads.
- Galvanic Isolation: Complete electrical isolation between safe and hazardous area circuits.
- Status Indication: Provides visual feedback of relay state and circuit health.
Application Scenarios:
Used to control solenoid valves, alarms, and shutdown devices in Zone 0, 1, and 2 hazardous areas.
Performance Parameters:
- Contact Rating: Rated for low-energy hazardous area loads.
- Switching Speed: Fast relay actuation for critical safety applications.
Material Composition:
IS-certified relay components in a robust, flame-retardant housing.
Structural Features:
DIN rail mountable with spring-clamp or screw terminals for secure wiring.
Working Principle:
Receives a control signal from the safe area, energizes an isolated relay coil, and closes contacts to switch the hazardous area load, with energy limited by internal IS barriers.
Installation Requirements:
Install in a certified safe area panel. Use approved IS cables for field connections.
Usage Precautions:
Ensure the connected hazardous area load does not exceed the barrier’s energy limits. Verify proper wiring polarity.





