Self Contained

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For Self-Contained (Single Point) & Central Battery Systems Emergency Lighting Luminaires. In order to comply with EN50172 an emergency lighting installation must be tested periodically by simulating failure of the normal supply. A facility to simulate this failure must be provided. Under IS 3217 this facility must not interrupt the normal or switched supply to the area concerned, i.e. only the permanent supply may be interrupted and the test facility must automatically restore this supply at the end of a specified test period. The Ventilux Central Test Unit allows the supply to be interrupted and then restored automatically, and so enhances system reliability.


  • On/Off key-switch to prevent unauthorised use.
  • Power On Indication.
  • Accurate crystal controlled timer/Digital display of elapsed time.
  • Test periods of 40min/3 hours. (Other periods on request).
  • Test in progress indication & Test completed indication.
  • Audible warning on start of test and final 10 minutes of test.
  • Automatic restoration of supply on completion of test.
  • 10A multi-pole contactors.
  • Multi-zone versions available with individual zone select timings.
  • 220V/240V 50/60Hz, 20VA (other voltages available).

Self Contained Specifications

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Elt Specification

Interface Unit Specification

order codeifu6ifu12ifu18
ip ratingip40
dimensions (mm)325 x 227 x 85365 x 280 x 68465 x 280 x 68
no. of contractor connections6 nc (normally closed)12 nc (normally18 nc (normally closed)
cable entry2x 20mm conduit entries on top and rear surfaces
weight2.8 kg5.1 kg5.3 kg
enviornment0° C to +30° C, Upto 80% Relative Humidity
housing materialpowder-coated mild steel
warranty3 years3 years3 years