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Harmony XB4 Metal Range LED Pilot Lights

This pilot light, designed to last without maintenance for a bright indicator of process and machine operations, is easily installed into a standard 22mm diameter cut-outs and connected with simple screw-clamp connections.

It has a metal bezel.
It is clearly distinguishable visually at a distance
It has a bright and long lasting BA9s base illumination.
It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66/IP67/IP69/IP69K, making it ideal for operation in harsh environments.

Pilot Light Green Ø22 With BA9 Bulb 250V

Pilot Light Red Ø22 With BA9 Bulb 250V

Pilot Light Orange Ø22 With BA9 Bulb 250V

Pilot Light White Ø22 LED 24V AC/DC

Pilot Light Green Ø22 LED 24V AC/DC

Pilot Light Red Ø22 LED 24V AC/DC

Pilot Light Orange Ø22 LED 24V AC/DC

Pilot Light Blue Ø22 LED 24V AC/DC

Pilot Light White Ø22 LED 110V AC

Pilot Light Green Ø22 LED 110V AC

Pilot Light Red Ø22 LED 110V AC

Pilot Light Orange Ø22 LED 110V AC

Pilot Light White Ø22 LED 240V AC

Pilot Light Green Ø22 LED 240V AC

Pilot Light Red Ø22 LED 240V AC

Pilot Light Orange Ø22 LED 240V AC

Pilot Light Head White Metal

Pilot Light Head Green metal

Pilot Light Head Red metal

Pilot Light Head Metal LED Red

Light Block LED 1 N/O 1 N/C Green 24v AC/DC

Light Block LED 1 N/O 1 N/C Green 48-120v AC

Light Block LED 1 N/O 1 N/C Green 230v AC

Light Block LED 1 N/O 1 N/C Red 230v AC

Light Block 24v AC/DC White

Light Block 24v AC/DC Orange

Light Block 110v Yellow

Light Block 230v AC White

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Technical data / Documents

Accessories & Related products

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Accessories

Blog

Reliable Protection, Compact Form – Fuse Holders Built to Perform

The DF Electric 485121 fuse holder delivers reliable protection in a compact, DIN-rail-ready design. Built for panel builders who won’t compromise on safety or performance, it’s the trusted choice for tough environments and tight spaces.

Blog

Stego Enclosure Heaters with Loop

STEGO’s new loop enclosure heaters are a smart fix for condensation in control cabinets. They heat evenly, install fast with no tools, and come in a range of sizes from 10 to 150 W. They're tough, touch-safe, and even have a built-in thermostat option—everything you need to protect your gear and keep things running smoothly.

Blog

Precision in Motion: Kübler Linear Measurement Systems at Demesne Electrical

Precise, Durable Linear Measurement from Kübler
Browse our range of Kübler draw wire encoders and linear measurement systems, designed for accurate position and speed sensing in industrial and OEM applications. Built for tough environments. Trusted by automation professionals.

Blog

New on the Market: RKA Aluminium Terminal Blocks for Copper and Aluminium Conductors

Designed by HORA eTec, the RKA series offers a complete lineup of aluminium terminal blocks built for both aluminium and copper conductors. Every model in the range includes push-through protection, is finger-safe, and is built with installation efficiency in mind. From compact control panels to large-scale systems, here’s the full breakdown—from the RKA 16 to the RKA 300.

Blog

Smarter Control Starts Here Explore the TELE Haase Range at Demesne

In complex, high-stakes electrical environments, precision, safety, and performance aren't optional, they're essential. That’s why at Demesne Electrical, we supply solutions that go beyond compliance, empowering engineers and panel builders to build smarter, more connected systems.
One of our most trusted partners in this space is TELE Haase, an industry leader in intelligent monitoring and automation components. From load protection to digital performance sensors, the TELE range offers future-focused tools that streamline system diagnostics and improve long-term reliability.

Blog

Power Supply Efficiency Testing – What Irish Electrical Engineers Need to Know

Think your power supply is running at 95% efficiency?
Don’t just trust the datasheet, test it. In this post, we break down how to accurately measure power supply efficiency using the right tools, setups, and real-world conditions. Essential reading for anyone working with industrial power in Ireland.

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	Pilot Light BA9 6-400v Green Art: XB4BV63 Copied
	Pilot Light Red Ø22 With BA9 Bulb 250V Art: XB4BV64 Copied
	Pilot Light Orange Ø22 With BA9 Bulb 250V Art: XB4BV65 Copied
	Pilot Light LED 24v AC/DC White Art: XB4BVB1 Copied
	Pilot Light LED 24v AC/DC Green Art: XB4BVB3 Copied
	Pilot Light LED 24v AC/DC Red Art: XB4BVB4 Copied
	Pilot Light LED 24v AC/DC Amber Art: XB4BVB5 Copied
	Pilot Light LED 24v AC/DC Blue Art: XB4BVB6 Copied
	Pilot Light LED 110v AC White Art: XB4BVG1 Copied
	Pilot Light LED 110v AC Green Art: XB4BVG3 Copied
	Pilot Light LED 110v AC Red Art: XB4BVG4 Copied
	Pilot Light LED 110v AC Amber Art: XB4BVG5 Copied
	Pilot Light LED 230v AC White Art: XB4BVM1 Copied
	Pilot Light LED 230v AC Green Art: XB4BVM3 Copied
	Pilot Light LED 230v AC Red Art: XB4BVM4 Copied
	Pilot Light LED 230v AC Amber Art: XB4BVM5 Copied
	Pilot Light Head White Metal Art: ZB4BV01 Copied
	Pilot Light Head Green metal Art: ZB4BV03 Copied
	Pilot Light Head Red metal Art: ZB4BV04 Copied
	Pilot Light Head Metal LED Red Art: ZB4BV043 Copied
	Light Block LED 1 N/O 1 N/C Green 24v AC Art: ZB4BW0B35 Copied
	Light Block LED 1 N/O 1 N/C Green 48-120v AC Art: ZB4BW0G35 Copied
	Light Block LED 1 N/O 1 N/C Green 230v AC Art: ZB4BW0M35 Copied
	Light Block LED 1 N/O 1 N/C Red 230v AC Art: ZB4BW0M45 Copied
	Light Block 24v AC/DC White Art: ZBVB1 Copied
	Light Block 24v AC/DC Orange Art: ZBVB5 Copied
	Light Block 110v Yellow Art: ZBVG5 Copied
	Light Block 230v AC White Art: ZBVM1 Copied
	Pilot LightHead Grn LED Art: ZB4BV033 Copied

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