Omron DPDT Relay - 24VDC - 5A
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Tameson UKOmron Gold/Silver G2r-2 Dpdt Relay 24Vdc 5A With Led And Diode - G2rn8870r
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Product Information
Full details
This Omron DPDT relay is designed for engineers and hobbyists needing a reliable switching component for 24VDC control systems. Its key benefit is the robust DPDT configuration with gold-plated silver contacts, offering versatility and durability for up to 5A switching. A potential caveat is its specific 24VDC coil requirement, necessitating proper power supply matching. Key features include a built-in LED indicator, an integrated coil suppression diode, and a compact plug-in design for easy socket mounting.
All features
| Model Part Number | G2R2SNDAP3DC24SBYOMB |
|---|---|
| Brand | Omron |
Extended Product Information
FAQs
What is the maximum switching voltage for this relay?
The maximum switching voltage is 250VAC or 125VDC.
What type of contacts does this relay have?
It features gold-plated silver alloy contacts for enhanced conductivity and durability.
Does this relay require a socket?
Yes, this is a plug-in relay and requires a compatible socket (e.g., Omron Py24S or similar) for installation.
What is the coil resistance of this relay?
The coil resistance is approximately 1113 Ω.
Can I use this relay with a 12VDC or 48VDC control signal?
No, this relay is specifically designed for a 24VDC coil voltage. Using any other voltage will likely damage the relay.
What does the integrated suppression diode do?
The suppression diode protects the control circuit from voltage spikes (back EMF) generated when the relay coil is de-energized, improving system reliability.
What is the switching current capacity?
It has a maximum switching current capacity of 5A.
Troubleshooting
Relay does not energize when control voltage is applied.
Verify the 24VDC supply is correctly connected to the coil terminals (1 and 2). Check the coil voltage with a multimeter. Ensure the relay is fully seated in its socket. Check the coil resistance (approx. 1113 Ω) with a multimeter.
Contacts do not switch (e.g., load does not turn on/off).
Confirm the control voltage is present at the coil terminals. Check that the correct NO/NC and Common terminals are wired for the load. Ensure the relay is properly seated in the socket. If the relay has been subjected to excessive current or voltage, the contacts may be damaged and require replacement.
LED indicator does not light up.
Verify that the control voltage is correctly applied to the coil terminals. If the voltage is correct and the LED still does not light, the LED itself may have failed, although the switching contacts might still be functional. Contact support if unsure.
Relay chatters or buzzes intermittently.
This could indicate an unstable or insufficient coil voltage. Check the 24VDC power supply for fluctuations. Ensure the wiring to the coil is secure and has low resistance. Verify the coil is not overheating.
Pros and Cons
Pros
- Versatile DPDT switching capability.
- Durable and highly conductive gold-plated silver contacts.
- Integrated features (LED, suppression diode) simplify design and installation.
- Compact form factor suitable for tight spaces.
- Reliable operation within specified voltage and current limits.
Cons
- Requires a specific 24VDC power supply for the coil.
- Maximum switching voltage limits (250VAC / 125VDC) may not suit all high-voltage applications.
- Requires a compatible socket for installation (not included).
- Coil resistance (1113 Ω) must be considered for power calculations.
- Only suitable for non-latching applications.
Setup, Compatibility & Care
Setup:
- Ensure a compatible 24VDC power supply is available for the relay coil.
- Select an appropriate Omron G2R-2 series socket (e.g., Py24S or similar).
- Mount the socket securely in your control panel or desired location.
- Wire the control circuit to the coil terminals (terminals 1 and 2 for 24VDC).
- Wire the load circuits to the appropriate NO (Normally Open) and NC (Normally Closed) and Common terminals based on your DPDT configuration needs.
- Insert the relay firmly into the socket.
Compatibility:
- Coil Voltage: Strictly 24VDC. Using other voltages will damage the relay.
- Load Current/Voltage: Ensure the connected loads do not exceed the 5A AC / 5A DC (max 250VAC / 125VDC) switching capacity.
- Sockets: Requires a compatible plug-in socket designed for Omron G2R-2 series relays.
Care:
- Avoid operating the relay outside its specified environmental conditions (temperature, humidity).
- Periodically inspect connections for signs of corrosion or damage.
- Ensure adequate airflow around the relay and socket, especially under heavy load conditions.
- Do not attempt to disassemble the relay; it is a sealed unit.