Product Overview
24V DC Dual-Color Red and Green 8mm Panel-Mount Pilot Light Assembly
Condition
New old stock (NOS). Unused surplus in clean physical condition. Markings legible: MURRELEKTRONIK Art.No.: 71801 24V-DC with terminal designations +R, -, and +G. Includes the terminal block module and threaded metal panel bezel with mounting nut and lock washer. Sold each.
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Product Overview
Murrelektronik 71801 is a dual-color panel-mount pilot indicator designed for 24V DC industrial control panels and automation machinery. The assembly pairs a threaded 8 mm metal front bezel with a rear electronics block, providing distinct red and green visual status signaling through a 5 mm diffused domed lens. Independent positive inputs (+R and +G) sharing a common cathode terminal (-) allow straightforward two-state indication for machine status, fault alerting, or run and stop monitoring.
Key Features
- Dual-color red and green indication in an 8 mm panel cutout
- Direct 24V DC operation with 15 mA nominal current draw
- Three flat solder or quick-connect terminal tabs marked +R, -, and +G
- Threaded metal front bushing with chrome finish, hex nut, and lock washer
- 5 mm diffused domed lens for wide-angle panel visibility
- IP40 front-panel protection rating
- Compact rear block design suited for high-density control enclosures
Applications
- Wiring run and stop status indicators on automation cabinets and motor control centers
- Upgrading operator panels to dual-state status signaling using a single panel mounting hole
- Building custom benchtop test equipment, power supplies, and maker control consoles
- Replacing worn or defective 24V pilot lamps on packaging machinery and industrial equipment
Frequently Asked Questions
How is the dual-color LED wired?
The module features three rear terminals: a common negative (-) and separate positive feeds for red (+R) and green (+G). Supplying 24V DC between +R and - illuminates the red element, while supplying 24V DC between +G and - illuminates the green element.
What mounting hole size does this indicator require?
The threaded metal bezel installs into a standard 8 mm panel cutout and secures firmly from behind using the included mounting nut and washer.
Does this indicator require an external current-limiting resistor?
No. The rear module contains integrated circuitry for direct 24V DC operation at 15 mA. Connect 24V DC directly to the marked terminals without adding external drop resistors.
Putting red and green into a single 8 mm panel hole keeps operator consoles clean and control wiring simple. Wire your status lines, tighten the bezel nut, and let the panel speak for itself.
