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| Country of Origin | United Kingdom |
|---|---|
| Brand | Marl |
| Length | 31.9mm |
| IP Rating | IP67 |
| Series | 537 |
| Maximum forward current | 16mA |
| Viewing angle | Wide |
| Sub Type | Panel Mount LED Indicator |
| Terminal type | Solder Tab |
| Lens Colour | Red |
| Luminous Intensity | 600mcd |
| Standards/Approvals | CE, UKCA, RoHS |
| LED Colour | Red |
| Maximum Supply Voltage | 28V dc |
| Minimum Supply Voltage | 12V |
| Mount Hole Size | 8.1 mm |
| Multicolour/Single Colour | Single Colour |
The Marl 537-501-63 Panel Mount LED Indicator is a robust solution for panel-mounted signalling in both industrial and commercial environments. Featuring a vivid red lens, it allows operators and technicians to easily monitor status, faults, or operational states through clear visual indication.
Designed for versatility, this indicator accepts supply voltages between 12 and 28 volts DC, ensuring compatibility with a range of electrical systems and control panels. Its wide viewing angle provides excellent visibility from multiple positions, making it ideal for machine interfaces, consoles, and control racks. The mounted hole size of 8.1 mm allows for easy panel integration.
The indicator’s IP67 rating means it is fully protected against dust ingress and can withstand immersion in water up to 1 meter, making it suitable for both indoor installations and harsh outdoor environments. Solder tab terminals facilitate straightforward, secure electrical connections and are compatible with established wiring practices in automation, monitoring, and signalling equipment.
Constructed with a bright nickel-plated brass housing, the unit is internally potted to resist shock and vibration. This enhances reliability, especially in environments subject to mechanical stress. At a luminous intensity of 600 mcd, the red LED is highly visible while remaining energy efficient.
The Marl 537-501-63 is a single-colour indicator, not multicolour-capable, and complies with CE, UKCA, and RoHS standards (supported by explicit evidence). Common applications include panel indicators in test benches, machinery, laboratory consoles, HVAC control boards, electrical safety panels, and water treatment interfaces.
Typical use cases are found in: manufacturing machinery control, electronic equipment monitoring, safety signalling, laboratory instrument panels, HVAC system status indicators, and commercial process equipment.
With its reliable design, high ingress protection, and easy installation, this indicator represents an excellent choice for professionals seeking dependable visual signalling at the panel level. Browse more Panel Mount LED Indicators from Marl and explore other optoelectronics in the EnvMart Electronics Components category.
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