PRO 22.5 mm LED Indicator with Test Input White 12 V AC/DC is a 22.5 mm panel-mounted LED indicator from the PRO ETL series, designed for industrial control panels that require a dedicated test input. It provides clear white status indication with a third terminal for lamp-test functionality.
🔧 Technical Highlights:
- Mounting diameter: 22.5 mm panel cut-out
- Indicator colour: White
- Supply voltage: 12 V AC/DC
- Terminals: 3 terminals (common, signal and test input)
- Function: LED status indication with integrated test input terminal
✅ Benefits:
- Allows safe lamp-test without changing the real control status
- Quick visual indication for power, fault or status signals
- Screw-terminal connections for fast, reliable wiring
- Compatible with standard 22.5 mm industrial panel cut-outs
- Matches the appearance and performance of the PRO EPL indicator range
🚀 Applications:
- Industrial control panels requiring regular lamp-test routines
- Machine status indication on OEM equipment
- Power, fault and mode indication on process control systems
- Panel upgrades where a third test terminal is specified
This PRO ETL LED indicator with test input offers reliable visual indication and convenient in-panel testing for modern automation and control panels.
FAQs
- Q: What is the purpose of the third terminal?
A: The third terminal is a dedicated test input that lets you energise the LED for lamp-test without affecting the real control signal. This is ideal for commissioning and routine maintenance checks.
- Q: Does this indicator fit a standard 22 mm hole?
A: The ETL series is designed for 22.5 mm industrial panel cut-outs, which are widely used alongside standard 22 mm push buttons and indicators.