OMRON Automation and Safety Datasheets for Protective Relays and Monitoring Relays

Protective relays and monitoring relays detect or monitor for abnormal power system conditions.
Protective Relays and Monitoring Relays: Learn more

Product Name Notes
Machine Safeguarding - Two-Hand Control Safety Relay -- SR104P Conforms to EN574 Cat. IIIC, EN60204-1, EN954-1, VDE 0113-1 UL and C-UL listed, BG approved
Machine Safeguarding - Single-Channel Safety Relay -- SR201A Conforms to EN60204-1, EN292, EN418, EN1088, and EN954-1 UL and C-UL listed, BG and CSA approved Power requirements-the SR201A will accept 24 VAC/DC or 110 VAC Inputs-a single N/C input...
Machine Safeguarding - Safety Expansion Unit -- SR105E Conforms to EN60204-1, EN954-1, and VDE 0113-1 UL and C-UL listed, TUV Rheinland approved Power requirements-the SR105E will accept 24 VAC/DC Outputs-the SR105E has 3 N/O outputs to route power...
Machine Safeguarding - Dual Channel Safety Relay -- SR231A Conforms to EN60204-1, EN954-1, EN292, and EN1088 UL and C-UL listed, CSA and BG approved Power requirements-the SR231A will accept 24 VDC Inputs-The SR231A is designed to monitor two magnetically...
Machine Safeguarding - Safety Expansion Unit -- SR106ED Conforms to EN60204-1, EN954-1, EN292, VDE 0113-1 UL and C-UL listed, TUV Rheinland approved Power requirements-the SR106ED will accept 24 VAC/DC Outputs-the SR106ED has 3 N/O delayed outputs to route...
Machine Safeguarding - Dual-Channel Multi-Purpose Safety Relay -- SR120MP Conforms to EN60204-1, EN954-1, EN418, and EN61496-1 (Type 4) UL listed, CSA and BG approved Power requirements-the SR120MP will accept 24 VAC/DC or 110 VAC Inputs-the SR120MP provides dual-channel input...
Machine Safeguarding - Single-Channel Safety Relay -- SR101A Conforms to EN60204-1, EN954-1, VDE 0113-1 UL and C-UL listed, TUV Rheinland approved Power requirements-the SR101A will accept 24 VAC/DC or 115 VAC Inputs - a single N/C input channel,...
Machine Safeguarding - Dual-Channel Safety Relay -- SR103AM Conforms to EN60204-1, EN954-1, VDE 0113-1 UL and C-UL listed, TUV Rheinland approved Power requirements-the SR103AM will accept 24 VAC/DC or 115 VAC Inputs-the SR103AM will accept single or dual...
Machine Safeguarding - Fixed Terminals Safety Monitoring Relay -- G9SA Safety category 4; Category 3 for OFF-delay contact Meets Standards EN60204-1; EN954-1; UL508; CSA C22.2 No.14 Four kinds of 45-mm wide units are available: A 3-pole model, a 5-pole model,...
Machine Safeguarding - Dual Channel Safety Relay -- SR131A UL and C-UL listed, CSA and BG approved Conforms to EN60204-1, EN954-1, EN292, and EN1088 Power requirements-the SR131A will accept 24 VDC Inputs-The SR131A is designed to monitor two magnetically...
Machine Safeguarding - Dual Channel Safety Relay -- SR208AD and SR209AD UL and C-UL listed Conforms to EN60204-1, EN954-1, and ISOTR 12100 Power requirements- the SR208AD/209AD will accept 24 VAC/DC or 115 VAC Inputs-the SR208AD/209AD will accept single or dual N/C...
Machine Safeguarding - Dual Channel Safety Relay -- SR203M and SR203AM UL and C-UL listed Conforms to EN60204-1, EN954-1, ISOTR 12100 Power requirements-the SR203M/A will accept 24 VAC/DC or 115 VAC Inputs-the SR203M/A will accept single or dual N/C inputs or...
Machine Safeguarding - Low-Speed Monitoring unit -- G9SX-LM Low-speed monitoring function ensures safety for maintenance work Motor rotation speed detected by proximity sensor Monitors and confirms that speed does not exceed the preset level Includes an enabling switch...
Machine Safeguarding - Standstill Monitoring Unit -- G9SX-SM Sensor-less monitoring of standstill for machines with long inertia Standstill is monitored by the motor's back electromotive force (BEMF) signal Features a "Standard Configuration", allowing immediate use without sensitivity adjustment...