ActiV Diode Base

£2.66 ex. VAT - £3.19 inc. VAT


  • Supply wiring 2-wire monitored, polarity sensitive.
  • Connections (1) +V In; (2) +V Out; (3) Remote LED +V; (4) 0V; (5) 0V; (6) Screen; (7) Screen. Schottky diode connected between 1 & 2. Terminals can accept up to 2.5mm fire rated cable.
  • Product dimensions (mm) 102.2mm diameter x 20.5mm deep.
  • Construction & finish White polycarbonate rated to UL94 V-2 with bright tin plated steel terminals fitted with nickel plated steel screws/washers
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10 in stock (can be backordered)


Compatible with C-TEC’s entire range of ActiV fire detectors. Third-party certified to the relevant parts of EN54 in conjunction with our ActiV detectors.

Can be ceiling mounted in any orientation due to the true 360° degree viewing angle of the LED indicator strips on all ActiV detectors. Integrated detector/base locking mechanism, head removal tool and ID tag.

Remote LED terminals for the optional connection to a BF318 Remote indicator.

C4408 non-diode and C4408R relay bases also available.