Valve Suppression Module - Murrelektronik - 3124021
Best current price£10.40from Tameson UK
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Product Information
Full details
The Murrelektronik 3124021 is a specialized valve plug suppressor designed for industrial maintenance professionals and control system engineers who need to mitigate electromagnetic interference in solenoid valve circuits. Its primary benefit is the reliable suppression of voltage spikes, which protects sensitive control electronics and extends the life of your equipment. A key caveat for users is that this specific model is polarity-dependent, requiring careful attention to wiring orientation during installation to ensure the diode and LED function correctly.
All features
| Model Part Number | 3124021 |
|---|---|
| Brand | Murrelektronik |
Extended Product Information
FAQs
Is this module compatible with AC circuits?
No, the 3124021 is specifically designed for 24V DC systems and is polarity-dependent.
What is the physical size of this connector?
This is a Form A valve plug suppressor, which features an 18mm contact spacing.
Does the LED color indicate a fault?
The LED typically indicates that the circuit is powered and the valve is energized; it is a status indicator rather than a fault code display.
What does the 'fall delay time' refer to?
The fall delay time of up to 200ms refers to the time it takes for the valve's magnetic field to fully collapse after power is cut, which is a standard characteristic of diode-based suppression.
Can I use this in high-temperature environments?
The module is rated for operation up to 60 °C; verify that your equipment ambient temperature does not exceed this specification.
Why is it important to remove the plug gasket?
Removing the original gasket is necessary to ensure the adapter seats fully, allowing the internal pins to make solid contact with the valve terminals.
Troubleshooting
The LED indicator is not illuminating.
Check the wiring polarity; because this unit is polarity-dependent, the LED will not light if the positive and negative wires are reversed.
Intermittent control signals occurring near the valve.
Verify that the suppression module is securely seated and that the contacts are clean. Ensure no wires are loose within the connector.
Module does not fit flush against the valve connector.
Ensure the original plug gasket from the valve has been removed as per the installation instructions.
Pros and Cons
Pros
- Protects electronic control systems from inductive kickback
- Easy visual verification with the integrated LED indicator
- Compact and durable housing for harsh environments
- High-conductivity silver-plated contacts
Cons
- Requires adherence to specific polarity during installation
- Requires removal of the existing plug gasket for proper adapter fitment
- Limited to 24V DC nominal voltage systems
Setup, Compatibility & Care
Installation of the 3124021 follows standard industrial valve connector practices. Ensure the system power is off before handling the connection. When fitting the adapter, you must remove the existing plug gasket to ensure a proper seal and mechanical fit. Because the device uses a diode, it is polarity-dependent; confirm that your positive and negative lines match the required orientation for the module to operate. For maintenance, keep the housing free of excessive oil or debris to maintain temperature resistance and visual clarity of the LED. If the housing shows signs of cracking or thermal degradation, replace the unit immediately.