491 2 A Relay Unit (Discontinued)
491 2 A Relay Unit (Discontinued)
Single channel relay unit for integration in luminaires or electrical cabinets. Designed to allow control of switched loads.
- Allows control of switched loads
- For integration in luminaires or electrical cabinets
- Switches up to 3 Helvar EL-s / TCs ballasts
| Lighting Control Solution | Imagine |
|---|---|
| Lighting Control Protocol | DALI lighting control |
| Device Mounting Method | Independent |
Technical
| Dimensions | 146 mm × 21 mm × 18.3 mm |
|---|---|
| Number of channels | 1 |
| Power supply rating | 200 VAC – 265 VAC (absolute) 45 Hz – 65 Hz |
You May Also Like
8-channel relay unit for incorporating non-dimmable loads in Helvar DALI systems. For use in power-demanding applications, such high-bay installations.
- 8 individually programmable relays
- Staggered switch-on to reduce inrush current
- LED display for local control and monitoring
Two-channel interface unit for controlling blinds and curtains. Includes a status LED, a physical selection switch and relay-state indicators.
- Two independent control channels
- Volt-free contacts for up/down switching of power or direction motors
- Safety features to prevent motor damage
4-channel relay unit for incorporating non-dimmable loads in Helvar DALI systems.
- 4 Individually programmable relays, normally open and volt-free
- Relays are internally isolated permitting separate phases to be controlled in one unit
- Manual override