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99.02.0.060.98 Finder relay module 28/60VACDC LED +Varistor
Finder 99.02.0.060.98 is a plug-in green LED and varistor module for 28–60 V AC/DC relay coils, providing visible coil-status indication and transient-voltage suppression.
£3.45
Why Choose the Finder 99.02.0.060.98 LED and Varistor Module?
The Finder 99.02.0.060.98 is a compact green LED indication and varistor suppression module designed to provide visual relay coil status while protecting control circuits against switching transients. As part of the Finder 99 Series indication and EMC suppression module range, it combines two useful control-panel functions within one convenient plug-in accessory.
The integrated green LED illuminates whenever the connected relay coil is energised, providing immediate visual confirmation that the control signal is present. At the same time, the built-in varistor limits reverse voltage peaks generated when the inductive relay coil is switched off, helping reduce electromagnetic interference and electrical stress on connected control equipment.
Designed for relay coils operating from 28–60 V AC/DC, the 99.02.0.060.98 is suitable for both alternating-current and direct-current control circuits. The varistor limits switching peaks to approximately 2.5 times the nominal supply voltage while causing only an insignificant increase in relay release time.
Key Advantages
- Combines green LED coil indication and varistor suppression in one module.
- Suitable for 28–60 V AC/DC relay circuits.
- Reduces transient voltage and electromagnetic interference.
- Provides clear visual confirmation when the relay coil is energised.
- Causes only an insignificant increase in relay release time.
- Plug-in construction simplifies installation and replacement.
Key Features
- Finder 99 Series indication and protection module.
- Integrated green LED status indicator.
- Built-in varistor transient suppression.
- 28–60 V AC/DC operating range.
- Suitable for both AC and DC relay coils.
- Limits coil voltage peaks to approximately 2.5 times the nominal supply voltage.
- Polarity-sensitive connection when used with DC voltage.
- Compact plug-in format for compatible Finder relay sockets.
Relay Coil Indication and Transient Protection
Relay coils are inductive loads that can produce a high-voltage transient when their supply is interrupted. These switching peaks can create electromagnetic interference, increase electrical stress and potentially affect PLC outputs, electronic controllers and nearby control wiring.
The Finder 99.02.0.060.98 uses a varistor to limit the relay coil’s switching transient while its green LED shows when the coil is powered. Unlike a recovery diode, the varistor is suitable for both AC and DC circuits and has only a minor effect on the relay’s release characteristics.
Typical Applications
- PLC-controlled relay output circuits.
- Industrial machinery and automation control panels.
- Building automation and HVAC systems.
- Process control and manufacturing equipment.
- Relay circuits located near sensitive electronic equipment.
- AC or DC control circuits requiring indication and transient protection.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Coil / Supply Voltage | 48 V AC, 48 V DC, 60 V DC | |
| HS Code | 85369010 | |
| Manufacturer | Finder | |
| Series | 99 Series | |
| Model | 99.02.0.060.98 | |
| Product type | Relay coil indication and suppression module | |
| Operating voltage | 28–60 V AC/DC | |
| Compatible supply type | AC or DC | |
| Indicator type | LED | |
| LED colour | Green | |
| Suppression component | Varistor | |
| Peak voltage limitation | Approximately 2.5 times the nominal supply voltage | |
| DC polarity | Positive connection to terminal A1 | |
| Effect on relay release time | Insignificant increase | |
| Connection type | Plug-in socket module | |
| Installation position | Across the relay coil terminals | |
| Primary functions | Coil-status indication and transient suppression | |
| Compatible sockets | Finder 90.02, 90.03, 92.03, 94.02, 94.03, 94.04, 95.03, 95.05, 95.55, 96.02, 96.04, 97.01, 97.02, 97.51 and 97.52 |
Frequently Asked Questions
What is the Finder 99.02.0.060.98 used for?
This module provides green LED relay coil indication while its integrated varistor limits switching transients and electromagnetic interference.
What voltage range does the module support?
The Finder 99.02.0.060.98 is designed for relay coils operating from 28–60 V AC/DC.
Can this module be used with both AC and DC relay coils?
Yes. The LED and varistor module is suitable for AC and DC coils, although the positive supply must be connected to terminal A1 during DC operation.
How does the varistor protect the relay circuit?
The varistor limits reverse voltage peaks from the relay coil to approximately 2.5 times the nominal supply voltage, reducing electrical stress and interference.
Does the module affect relay release time?
The varistor causes only an insignificant increase in release time, making it suitable where the longer delay associated with recovery-diode suppression is undesirable.
Trusted for Relay Indication and Protection
Finder 99 Series modules are used by control-panel builders and automation engineers to provide visible relay status, reduce switching transients and protect sensitive industrial control equipment.
