- For use inside the dimmer module (458/DIM8) or switching module (458/SW8)
- Provides 4 channels of ballast control including 0-10V, 1-10V, DSI, DALI-broadcast and PWM
- DIN Rail mounting inside the 458 mechanical chassis
- Simple plug in connection to module via a flat cable
- Powered from the Dimmer or Switching module
- Multiple output configurations
![](/wp-content/uploads/product_helvar_lighting_control_ballast_controllers_imagine_458_OPT4_4-channel_option_module.jpg)
![](/wp-content/uploads/product_helvar_lighting_control_ballast_controllers_imagine_458_OPT4_4-channel_option_module.jpg)