Helvar 452 Transistor Dimmer – DALI-2 Dimmer

This compact and reliable unit enables smooth dimming control of resistive, capacitive, or inductive loads such as incandescent lamps, mains-voltage halogen lamps, and LED drivers.

The HE-452 provides two independently controllable channels, each capable of handling up to 500 VA. It is designed for integration within Helvar’s Imagine DALI-2 lighting control systems, ensuring excellent compatibility, flexibility, and performance.

Lighting Control Solution: Imagine
Lighting Control Protocol: DALI-2
Device Mounting Method: DIN rail
Channels: 2 independent channels
Load Type: Resistive, inductive, or capacitive
Maximum Load: 2 × 500 VA
Control Type: Phase-cut dimming (leading or trailing edge selectable)
Power Supply: 220–240 VAC, 45–65 Hz
DALI Power Consumption: < 2 mA

Dimensions: 106 × 90 × 58 mm
Weight: 320 g
Operating Temperature: 0 °C to +50 °C
Protection: IP20, Class II
Compliance: DALI-2 certified, CE, RoHS