Helvar Ballast Controller (474)

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The DIGIDIM 474 is a 4-channel ballast controller fitted with high-inrush relays rated at 16 A per channel. These relays handle short-lived high peak currents during switchon of loads.

The outputs can be configured to match common ballast control loads including 0/1–10 V, DSI®, DALI broadcast and PWM. They can be set to be independent of, or paired with, relay channels. The 474 ballast controller can operate with either a Helvar DIGIDIM or Imagine lighting control system. It is a DIN rail mounted device for ease of installation.

The 474 ballast controller has an intuitive LED segment display and push buttons for monitoring, manual configuration and control purposes.

4-channel DALI to 0/1–10 V / DSI® / PWM converter for controlling electronic ballasts
Fitted with high inrush relays rated at 16 A per channel
High inrush specification relays
Wired override input to allow for external triggers
LED segment display and push buttons
Multiple output configurations