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Lighting Control Solution

Lighting Control Protocol

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Lighting Relay Units for Commercial Lighting Control Systems

Helvar offers a range of DALI-compatible relay units for lighting systems, allowing control of non-dimmable luminaires and devices such as blinds and curtains across diverse application areas.

490 2 × 2.3 A Blinds Controller

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
DatasheetInstallation guide
492 16 A Power Relay Unit

Single-channel relay unit that allows control of non-DALI and non-dimmable loads.

  • Allows control of switched loads
  • For installation within a luminaire, electrical cabinet or ceiling
  • High-inrush specification relay
  • Secure strain relief
DatasheetInstallation guide
493 Signal Relay Unit

Single-channel relay unit that allows interfacing with other building control and management systems.

  • Low power switching capability
  • For installation within a luminaire, electrical cabinet or ceiling
  • Secure strain relief
DatasheetInstallation guide
494 4 × 10 A Relay Unit

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
DatasheetInstallation guide
498 8 × 16 A Relay Unit

8-channel relay unit for incorporating non-dimmable loads in Helvar DALI systems.

  • 8 individually programmable relays
  • LED display for local control and monitoring
  • Wired override input
  • High-inrush specification relay
DatasheetInstallation guide
499 8 × 20 A Latching Relay Unit

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
DatasheetInstallation guide