Siemens Integrated LED module, spring, green, 6 - 24VAC/DC Part number 3SU1401-1BG40-3AA0

Product Overview

The Siemens 3SU1401-1BG40-3AA0 is an LED illuminating unit from the SIRIUS ACT 3SU14 series — a 22 mm front-mount light block designed for control panels and operator interfaces. It provides green LED illumination for clear status and signal indication, making it ideal for signalling, status displays, and visual feedback in industrial control systems. Compact and efficient, this module is engineered for reliable, long-term operation in demanding industrial environments.

Key Features

• 22 mm front-mount LED light module (SIRIUS ACT 3SU14 series)
• Green illumination for clear status and signal indication
• Supply voltage range: 6–24 V AC or 6–24 V DC
• Integrated LED — no separate bulb required
• Spring-type or screw-type terminal connections for secure wiring
• Compact and low-profile design suitable for control-panel mounting
• Suitable for use in industrial control panels, operator stations, signalling systems, and status indicators
• Designed for long service life and reliable operation under industrial conditions
• Wide operating temperature range, supporting varied ambient conditions

Technical Specifications

• Article Number: 3SU1401-1BG40-3AA0
• Product Series: Siemens SIRIUS ACT 3SU14
• Module Type: Illuminating unit / light block (LED)
• Mounting Diameter: 22 mm, front-mount
• Illumination Colour: Green
• Supply Voltage: 6–24 V AC or 6–24 V DC
• Connection Type: Spring- or screw-type terminals (for secure wiring in control panels)
• Typical LED Current Draw: approx. 20 mA under nominal voltage
• Operating Temperature Range: –25 °C to +70 °C
• Gross Weight: Approx. 9 g — lightweight and space-efficient
• Panel Mounting: Flush front-panel installation

Compliance & Certifications

• Manufactured under Siemens industrial quality and safety standards
• Part of the SIRIUS ACT modular operator and signalling system — ensures compatibility and uniform performance across modules
• Suitable for industrial control applications under global norms for signalling devices

Applications

The Siemens 3SU1401-1BG40-3AA0 is ideal for use in control panels, machine operator stations, signalling and status-indicator systems, and industrial automation interfaces where green-LED visual feedback is required. Common applications include machine status indicators, fault or ready signals, control-station signalling, operator consoles, and retrofit or new panel installations in manufacturing, processing, and automation environments. Its compact 22 mm design and wide voltage tolerance make it a versatile choice for both new builds and panel upgrades.