Omron G7SA-2A2B DC24 Safety Relay 2NO+2NC 24VDC Coil
SKU: G7SA-2A2B DC24USD 6.00
Omron G7SA-2A2B DC24 is a safety relay with 2NO+2NC contacts, DC24V coil, forced guided contacts for machine safety circuits.
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Product Overview
Omron G7SA-2A2B DC24 is supplied for industrial automation projects requiring reliable delivery, verified authenticity, and responsive support from inquiry to shipment.
- SKU: G7SA-2A2B DC24
- Series: G7SA
Best-Fit Applications
- Isolates controller outputs from field loads
- Provides reliable switching for control branches
- Supports higher cycle operation with proper selection
- Improves panel maintainability and spare planning
- Reduces unplanned downtime from contact wear issues
- Enables cleaner wiring architecture in control cabinets
Buying Checklist
- Practical controller-to-load interface
- Supports high-duty panel switching
- Improves reliability with proper sizing
- Aids standardization of control wiring
- Strong lifecycle service value
Technical Specifications
| Model | G7SA-2A2B DC24 |
|---|---|
| Series | G7SA |
| Type | Safety Relay (Forced Guided Contacts) |
| Contact Configuration | 2NO + 2NC |
| Coil Voltage | DC24V |
| Coil Power | 500mW |
| Contact Rating | 5A at 250VAC (AC-15) |
| Mechanical Life | 10 million operations |
| Electrical Life | 100,000 operations |
| Operating Time | 20ms max |
| Release Time | 10ms max |
| Safety Standard | EN 50205 Class A (Forced Guided) |
| Mounting | Socket mount (P7GA) |
| LED Indicator | Yes (coil energization) |
| Operating Temperature | -25 to +55°C |
| Certifications | CE, TUV, UL |
Resources & Downloads
FAQ for G7SA-2A2B DC24
What are forced guided contacts and why are they required for safety?
Forced guided contacts mechanically link NO and NC contacts so they cannot both be closed simultaneously. Even if contacts weld, the mechanical linkage ensures NC opens when NO fails closed. This is required by safety standards (ISO 13849, IEC 62061) for safety circuits.
What safety category can I achieve with G7SA relay?
When used in properly designed safety circuit with monitoring, G7SA can achieve Category 3, PL d. For Category 4/PL e, use dedicated safety relay modules (G9SP, G9SA) with internal monitoring.
How do I wire G7SA for emergency stop circuit?
Wire E-stop button in series with coil. Use NC safety contacts in series with machine contactor coil. Use NO contacts for monitoring feedback to safety PLC. Always use dual-channel (redundant) wiring for safety circuits.
What socket do I need for G7SA relay?
P7GA-11 socket (11-pin). Socket includes terminal markings for easy wiring. DIN rail mount or panel mount options available.
Can I use this relay for safety gate monitoring?
Yes, G7SA is suitable for safety gate/door interlock circuits. Wire gate switch in series with coil. When gate opens, relay de-energizes, NC contacts open, stopping machine. Monitor gate status with NO contacts.
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