Omron Industrial Relay - G2R-2-SN AC24(S)
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Product Information
Full details
This Omron Industrial Relay G2R-2-SN AC24(S) is designed for automation and control systems requiring reliable switching. Its key benefit is the robust 5A switching capacity with 2 change-over contacts, suitable for a wide range of industrial applications. A potential caveat is its specific AC 24V coil voltage, requiring a compatible power source.
All features
| Model Part Number | G2R2SN24ACSNEW |
|---|---|
| Brand | Omron |
Extended Product Information
FAQs
What is the nominal coil voltage for the Omron G2R-2-SN AC24(S)?
The nominal coil voltage is 24V AC. It operates reliably within a range of 21.6V to 26.4V AC at both 50Hz and 60Hz.
How many contacts does this relay have and what type are they?
This relay features 2 change-over (C/O) auxiliary contacts. This means each contact set has a normally open (NO) and a normally closed (NC) connection.
What is the maximum switching current for this relay?
The relay has a maximum switching current rating of 5 Amperes.
Does this relay require a specific socket?
Yes, the G2R-2-SN series uses a plug-in connection and requires a compatible relay socket for installation and wiring. The socket is typically sold separately.
Is the coil drive polarity sensitive?
No, this relay features a polarity-free drive for the coil, simplifying wiring connections.
What are the dimensions of the relay?
The dimensions of the Omron G2R-2-SN AC24(S) relay are approximately 13mm (Width) x 29mm (Depth) x 35.5mm (Height).
Can this relay be used in DC control circuits?
No, this specific model (AC24(S)) is designed for AC control voltage only and cannot be used in DC control circuits.
Troubleshooting
Relay does not energize when coil voltage is applied.
Verify the coil voltage is correctly supplied (21.6-26.4V AC). Check wiring connections to the coil terminals (pins 1 and 2). Ensure the relay is properly seated in its socket. Test the coil resistance; an open circuit indicates a fault.
Contacts are not switching (remain open or closed).
Confirm the coil is energized. Check wiring to the common, normally open, and normally closed contact terminals. Ensure the load current and voltage do not exceed the relay's contact ratings. Test contact continuity in both energized and de-energized states.
LED indicator is not lighting up.
Check that the coil voltage is correctly applied and within specification. Ensure the relay is fully inserted into the socket. The LED is an indicator and a non-functional LED does not necessarily mean the relay contacts are not working, but it might indicate a relay fault.
Intermittent operation or failure.
Inspect wiring for loose connections or damage. Check for excessive vibration which could affect contact reliability. Ensure the operating environment is within the specified temperature and humidity limits. Consider replacing the relay if it is old or has undergone many switching cycles.
Pros and Cons
Pros
- Versatile switching with 2 C/O contacts.
- Adequate current handling for many industrial tasks (5A).
- Easy installation and maintenance due to plug-in design.
- Clear operational status indicated by the LED.
- Compact form factor saves valuable panel space.
- Wide operating voltage range for coil ensures stability.
Cons
- Specific AC 24V coil voltage may limit compatibility with other DC systems.
- Not suitable for extremely high current applications.
- Relay may require specific sockets for plug-in connection (sold separately).
- AC operation only; not suitable for DC control circuits.
- Mechanical switching components have a finite lifespan.
Setup, Compatibility & Care
Setup:
- Socket Selection: Ensure you have the correct compatible socket for the G2R-2-SN series relay.
- Wiring: Wire the control circuit to the coil terminals (pins 1 and 2 for AC coil) and the load circuits to the contact terminals according to the terminal markings on the relay and socket.
- Mounting: Securely mount the socket to a DIN rail or panel.
- Insertion: Gently insert the relay into the mounted socket until it clicks into place.
Compatibility:
- Coil Voltage: This relay is designed for AC 24V nominal coil voltage. Ensure your control voltage source is within the 21.6 - 26.4V AC range at 50Hz or 60Hz.
- Contact Load: Verify that the loads you intend to switch do not exceed the 5A rating or the voltage limits specified for the contacts.
- Environment: Designed for industrial environments. Avoid excessive moisture, dust, or extreme temperatures beyond its operating specifications.
Care:
- Cleaning: If necessary, clean the exterior of the relay and socket with a dry or slightly damp cloth. Avoid using solvents.
- Inspection: Periodically inspect the wiring connections for signs of corrosion or loosening. Check the relay for any physical damage.
- Replacement: If the relay shows signs of failure or reaches its expected operational life, replace it with an identical or equivalent part.