Omron G9SA-501AC/DC24 Slim Safety Relay PLC Module

Omron G9SA-501 AC/DC24 is a slim single-channel safety relay module for industrial automation safety circuits. It accepts 24 VDC, AC/DC input and provides one normally open contact rated up to 8 A at 250 VAC (2000 VA), making it suitable for emergency stop circuits, safety interlocks, and light curtain interfaces in space-constrained control panels. With a response time of ≤20 ms, it supports fast, reliable safety control, while DIN rail mounting and IP20 protection simplify installation and integration. The unit operates from −10°C to 55°C and is classified Cat. 4, PL e according to ISO 13849-1, with CE and UL certifications. This slim safety relay module is designed to monitor and control safety-related signals in machinery, delivering dependable protection for operators and equipment in hazardous environments. Common replacements include Omron G9SA-301 AC/DC24, Siemens 3SK1120-1AA00, and Allen-Bradley 440E-SL5010, providing flexible upgrade paths in mixed-vendor systems.