Description
Omron G9SE-201 Safety Relay Unit
Technical Specifications
- Product Model: G9SE-201
- Brand: Omron
- Warranty: One Year
- Input Voltage: 24 VDC (20.4–26.4 VDC)
- Operating Temperature: -10°C ~ +55°C
- Storage Temperature: -40°C ~ +70°C
- Response Time: ≤15 ms (Safety contact opening)
- Protection Class: IP20 (DIN rail cabinet mounting)
- Accuracy Class: Not applicable (Safety control device)
- Output Frequency: Limited by mechanical relay life
- Rated Current Range: 5 A resistive (250 VAC / 30 VDC); 2 A AC15, 1.5 A DC13 inductive load
- Communication Interface: No digital communication
- Supported Protocols: Hardwired safety discrete signal wiring
- Overload Capacity: Internal circuit monitoring; short-circuit detection for safety input circuits
- Dimensions: 144.5 mm × 17.5 mm × 112 mm
Product Overview
The G9SE-201 is a compact DIN-rail safety relay unit within Omron G9SE series, designed for safety circuits conforming to EN ISO 13849-1 up to PL e / Category 4 and SIL 3 requirements. It accepts dual-channel safety inputs from emergency stop buttons, safety door interlocks and safety light curtains, and provides two mechanically linked safety output contacts for machine power cut-off. This hardware eliminates unsafe single-fault conditions in safety wiring and monitors cross faults between input signal lines. Machine builders, safety engineers and maintenance technicians deploy this unit to implement reliable machine safeguarding without complex safety PLC programming. Visible LED status indicators accelerate on-site fault diagnosis and reduce production downtime during safety circuit inspections.
Application Scenarios
- Automated Assembly Machinery – Emergency Stop Circuits: Processes dual-channel E-stop signals across production stations. The safety relay immediately cuts power to drive systems once an emergency command triggers, preventing unintended equipment movement and operator hazards.
- Packaging Equipment Safety Guard Monitoring: Interfaces mechanical safety door switches on sealing, filling and wrapping machines. Detects wiring short-circuits and ensures equipment cannot restart before safety enclosures are fully closed.
- Material Handling Conveyor Systems: Safeguards long conveyor lines and robotic transfer stations. Dual-channel input architecture fulfills international machinery safety standards for medium-risk automated handling equipment.
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