121B5305 | Schneider Electric Sun Sensor 0–5.3V PWM for Lighting Dimming Control

Description 

The Schneider Electric 121B5305 is a sun sensor designed to provide ambient light measurement for lighting control systems. It outputs a 0–5.3 V PWM signal used to regulate connected dimming equipment, such as the 1000LR dimmer. This sensor supports automated lighting adjustment based on real-time light conditions.

Technical Specifications 

Information About 121B5305

The 121B5305 is part of Schneider Electric’s range of sensors used in intelligent lighting and control applications. It is built to detect changes in light intensity and convert them into a proportional electrical signal for control devices. The sensor is compatible with dimming systems that require PWM input for adaptive brightness control. Although discontinued by the manufacturer, it remains suitable for maintaining and servicing existing lighting control installations.

Key Features:

• Sun Sensor Device: Measures ambient light levels for automated lighting control.
• PWM Output Signal: Provides a 0–5.3 V PWM signal for dimmer input.
• Lighting Control Integration: Designed for use with 1000LR dimmer systems.
• Adaptive Brightness Support: Enables dynamic adjustment based on daylight conditions.
• Compact Sensor Design: Allows flexible installation in lighting control setups.
• Electrical Signal Conversion: Translates light intensity into a usable control signal.

The 121B5305 delivers the reliability and precision required for ambient light sensing in automated lighting and dimming systems.