Overview
The STI FGRMS31-24-LED relay assembly is a force-guided safety relay manufactured by Omron Safety (STI). This 4-pole relay features mechanically-linked contacts that conform to EN61810-1 and EN50205 force-guided relay standards. Part number 44532-2021 delivers reliable switching performance for machine safety and industrial control applications requiring failsafe contact integrity.
Key Features
- Force-Guided Contacts: Mechanically-linked poles ensure positive contact closure and opening per EN61810-1 and EN50205
- 3NO + 1NC Configuration: Three normally open and one normally closed contact configuration for flexible control logic
- LED Indicator: Integrated LED provides visual feedback of relay state
- DIN Rail Mount: Track-mounting socket with screw terminal connectivity for fast installation and maintenance
- Rated 6A per Pole: 6 ampere maximum switching current per contact, 20 amps total capacity
- 24 VDC Coil: 24 volt DC control voltage for modern industrial control systems
Technical Specifications
- Contact Configuration: 4 poles, 3NO + 1NC (3PST-NO / SPST-NC)
- Current Rating: 6 A per pole, 20 A total
- Coil Voltage: 24 VDC
- Contact Voltage (AC): 250 VAC
- Contact Voltage (DC): 250 VDC
- Mounting Type: DIN rail track mount with screw terminals
- Contact Type: Force-guided (mechanically-linked)
- Series: 445 Series (FGR-M1)
- Standards Compliance: EN61810-1, EN50205, UL, cCSAus
- Part Number: FGRMS31-24-LED
- Alternative Reference: 44532-2021
Typical Applications
- Machine safety interlocks and emergency stop circuits
- Failsafe control systems requiring force-guided contact assurance
- Industrial automation safety relay modules
- Protective device monitoring and control logic
- Safety-rated control circuits in PLCs and safety controllers
Compatibility & Replacements
Compatible With
- Omron P7SA track-mounting sockets and accessories
- DIN rail mounting systems (35mm)
- Industrial control panels with 24 VDC supply
- Safety-rated PLC and safety controller modules
- Standard industrial automation I/O systems
Replaces / Drop-In Replacement For
- FGRMS31-24 (non-LED version)
- Other STI FGR-M1 series 4-pole 24 VDC force-guided relay assemblies
Works With
- Omron STI track-mount socket compatibility (P7SA series)
- Screw terminal and track-mounting installation methods
- Force-guided relay monitoring systems
- Industrial safety control networks and modules
