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Tameson UK£11.88Visit shop Phoenix Contact Relay Module 24V Dc Dual Changeover - 2905291
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This Phoenix Contact 2905291 relay module is designed for electrical engineers and technicians needing a reliable interface solution for control systems. Its key benefit is the simplified wiring with Push-in connection technology, reducing installation time. A potential caveat is its specific 24V DC coil voltage requirement, necessitating careful power supply matching. This pre-assembled module includes a relay base, retaining bracket, and power contact relay, featuring dual changeover contacts, a test button, status LED, and a freewheeling diode.
| Series | RIF-1 |
|---|---|
| Model Part Number | 2905291 |
| Brand | Phoenix Contact |
The product information does not specify the maximum switching current, but it is designed for signal switching and interface applications. Refer to the full datasheet for specific current handling capabilities.
No, this relay module is specifically designed for a 24V DC coil voltage. Using a different voltage may result in malfunction or damage.
To remove a wire, use a flat-head screwdriver or a similar tool to push the orange release tab on the terminal block. This will release the conductor.
The freewheeling diode is connected in reverse parallel across the relay coil. It provides a path for the coil's stored energy to dissipate safely when the coil is de-energized, preventing damaging voltage spikes from affecting sensitive control electronics.
The relay has a mechanical life of approximately 5 x 10^6 cycles. Electrical life will vary depending on the load being switched.
Yes, the contacts are rated for switching voltages up to 250V AC/DC.
Verify the 24V DC control voltage is present at the coil input terminals. Check the polarity of the input voltage. Ensure the conductors are securely inserted into the Push-in terminals. Test the LED indicator; if it's off, check the power supply and wiring.
Confirm the load voltage is within the 250V AC/DC switching limit. Check the wiring to the load terminals (common, NO, NC). Ensure the conductors are properly seated in the Push-in terminals. Use the test button to manually cycle the relay and verify contact closure.
This usually indicates a lack of correct voltage at the coil. Double-check the 24V DC supply and its connection to the module's coil terminals, ensuring correct polarity.
Ensure the ambient temperature is within the operating range (-40°C to +60°C). Check for any physical damage to the module or loose connections. Verify that the current and voltage ratings of the controlled load do not exceed the relay's contact ratings.
Setup: Mount the relay module onto a standard 35mm DIN rail. Connect the control voltage to the designated input terminals (typically marked with coil polarity) ensuring the supply is a stable 24V DC. Connect the load circuits to the output terminals (common, normally open, normally closed) using appropriate wire gauges. Use a screwdriver or a firm push to insert solid conductors into the Push-in terminals; press the orange release tab to remove wires.
Compatibility: This module is designed for 24V DC control circuits. Ensure your control system's output voltage matches this requirement. The switching voltage for the contacts is rated up to 250V AC/DC. It is compatible with standard industrial control environments that adhere to its operating temperature range of -40°C to +60°C.
Care: Keep the module clean and free from dust and excessive moisture. Periodically inspect wiring connections to ensure they remain secure. Avoid exposing the module to environments outside its specified temperature and humidity ratings. No internal maintenance is required or recommended; the unit is designed for replacement.
