This listing is for a USED QLIGHTEC ST56LF-BZ-3 Signal Tower Light.

This is a 3-layer LED signal tower light with built-in buzzer, designed for industrial status indication. It supports steady and flashing modes, operates at 24VDC, and includes red, amber, and green lenses. Ideal for machinery, automation, and safety signaling.

See photos for details.

Part No: ST56LF-BZ-3
Type: Signal Tower Light
Condition: USED
Voltage: 24V DC
Layers: 3 (Red, Amber, Green)
Buzzer: Built-in, Max 90 dB
Mounting: Pole
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This listing is for a USED lot of (3) Siemens 8WD4 420-5AF modules. These units provide blue LED visual signaling within modular 8WD4 stack light assemblies, operating on 24 V AC/DC and supporting status indication, condition monitoring, and system signaling across industrial automation and machine control environments.

SIEMENS 8WD4408-0AE LED Stack Light Base Module in used condition. Reliable SIEMENS quality. Ideal for industrial settings seeking dependable lighting solutions. Check compatibility with your system before purchase.

This listing is for a NEW Siemens LED signal light, part number 8WD4 420-5AF. This device is part of Siemens’ 8WD4 signaling device family and is designed to provide clear visual status indication in industrial control and automation environments. The unit operates on 24 VAC/DC and emits a blue LED signal, making it suitable for use in control panels, machinery, and process equipment where reliable visual signaling is required.

This listing is for a NEW Siemens 8WD4 420-5AB. It provides visual signaling in modular stack light assemblies through red LED illumination for status indication, operating on 24 V AC/DC and integrating into industrial signaling towers used in automated equipment and control systems.

This listing is for a USED Siemens 8WD4 420‑5AB stack light signal element. It is a red signal module designed for use in Siemens modular stack light systems and operates on 24 V AC/DC power. The unit is intended for visual status indication in industrial control and automation environments.

This listing is for a USED Siemens 8WD4 420‑5AE stack light signal element. It is a clear signal module designed for use in modular stack light assemblies and operates on 24 V AC/DC power. The unit is intended for visual status indication in industrial control and automation environments and is approved for industrial and hazardous‑location applications.

This listing is for a USED SIEMENS 8WD4 420‑5AE Continuous LED Light Element (Clear Lens, 70 mm).

This Siemens SIRIUS LED light module features a durable polycarbonate housing, integrated LED for long service life, and IP65 protection. It’s ideal for industrial signal towers and machine visual indicators.

See photos for details.

Part No: 8WD4 420‑5AE
Type: Continuous LED Light Element
Condition: USED
Key Specs:
– 24 V AC/DC, ~35 mA draw
– Clear lens, ~100,000 h LED life
– IP65, Ø70 mm × 65.5 mm
– Bayonet mount

Please message us with any questions.