FC-531R
1-Channel Gas Shut-off Controller
The R suffix indicates the relay output version. Both FC-531R and FC-532R include a dry-contact NO/NC relay for direct valve control. Switch to FC-532R above if you need to control two independent zones.
Compact AC 220V gas shut-off controller for single-zone residential and small commercial installations. Open / Close / No.1 LEDs confirm valve status at a glance, and the relay output automatically drives the shut-off valve closed on a gas alarm. Steel wall-mount bracket included.
- Open · Close · No.1 (alarm) - LED status display
- 1× Dry-contact relay output drives gas shut-off valve
- Steel wall-mount bracket included
- Compatible with Soosan GD-series valves
- Compact ABS enclosure, bottom terminal block
FC-531R Specifications
Designed for Simple, Reliable Control
3-LED Real-Time Status
Open, Close, and No.1 alarm indicators show valve and system status at a glance - no secondary display required.
Instant Valve Drive Output
On gas alarm or manual command, the FC-531R drives the connected shut-off valve closed through a dedicated dry-contact relay output.
Steel Wall-Mount Bracket
Included steel rear bracket provides secure, vibration-resistant wall installation. Keyhole slot for quick leveled mounting.
Compact & Easy Wiring
Compact enclosure (gas detector controller size) with bottom terminal block. Minimal wiring runs for single-zone residential and commercial installations.
Steel Bracket - Secure & Fast
The included steel rear bracket mounts to any flat wall surface with two screws. The keyhole slot allows leveled hanging without full screw removal. Bottom terminal block keeps wiring neat and accessible after installation.
- Keyhole slot - hang, level, tighten
- 4-corner screw bosses for rigid fixing
- Bottom terminal block - wiring from below
- Bracket stays on wall; body unclips for service
Rear view - steel wall-mount bracket with terminal connector
Safety & Installation Warnings
Requires AC 220V supply. Do not connect DC power - permanent module damage will result.
All wiring between FC-531R, detector, and valve must be performed by a licensed electrician with power fully isolated.
Verify the connected valve's rated voltage and current match the FC-531R output specification before energizing.
Immediately ventilate the area, do not operate electrical switches, close the manual gas cock, and call emergency services.
FC-531R FAQ
Need the FC-531R for your project?
Tell us your installation environment and connected valve model - our team will confirm compatibility and provide a quote.