Overview

Professional 400W Rotary Dimmer

The S81 series trailing edge rotary dimmer is a versatile solution designed for modern lighting control, supporting a wide range of loads including dimmable LEDs up to 200VA and incandescent lamps up to 400W. It features a push-type rotary control with an integrated memory function to preserve your preferred brightness settings. Engineered for safety and durability, the unit includes comprehensive protection against overloads, overheating, and short circuits, housed in a fire-resistant PC casing.

Technical Performance

Power Ratings

400 W

Max Power

250 VAC

Rated Voltage

50 Hz

Frequency

Load Compatibility

Supported Lamp Types

Lamp Type	Power Range
Incandescent lamp	25...400 W
High Voltage Halogen lamp	25...400 W
Dimmable LED lamp	5...200 VA
Low Voltage halogen lamps	25...400 W

Safety & Protection

Safety Systems

Automatic overload protection
Overheating protection
Short-circuit protection
Fire-resistant PC back-housing (850°C/3000V tested)
Child-proof shutter

Design & Installation

Physical Specifications

Feature	Details
Dimensions	74.7 x 74.7 x 56.5 mm
Surface Finish	Glossy PC White
Control Type	Rotary push type
Terminals	Screw terminal (2 loop terminals)
Mounting	Modular fitting with notched pins for uneven walls