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C-TEC Detectors

C-TEC detectors are fire detectors for conventional and addressable fire alarm systems, in smoke, heat and multi-sensor types. ActiV detectors such as the C4403A2 suit conventional panels, while CAST and CAST-PRO detectors work with C-TEC's XFP and ZFP addressable panels. The page also holds detector bases, a relay base, a diode base and a CAST-PRO duct detector.

Choosing C-TEC Detectors

Start with the panel the detector will report to, then choose smoke, heat or multi-sensor detection and the matching base.

ActiV heat detectors

The C4403B is a Type B fixed-temperature heat detector set at 75°C and the C4403A2 a Class A2 fixed-temperature detector, while the C4403A1R alarms on a sudden rise in temperature or at a static temperature between 54°C and 65°C. All three are third-party certified to EN54-5 by Intertek and have two ultra-bright red LED strips. The C4403A2 suits virtually all known conventional fire alarm panels, including C-TEC's CFP, FP, MFP and EP203 ranges.

ActiV smoke and multi-sensor detectors

The C4416 optical smoke detector uses infrared light and a photodiode, is certified to EN54-7 by Intertek and has drift compensation. The C4414 multi-sensor combines smoke and heat analysis to tell fire types apart and reduce false alarms, which suits accommodation such as student housing. Both run from 6-33V DC.

ActiV diode base

The C4408D diode base is for systems that need active 'head out' end of line monitoring under BS 5839-1. The C4408D has an integrated locking mechanism and head removal tool, and accepts fire-rated cables up to 2.5mm in diameter. The C4403A1R and C4403A2 fit the C4408D diode base.

CAST and CAST-PRO addressable detectors

The CA416 is a CAST optical smoke detector with 0.16dB/m sensitivity, LPCB certified to EN54-7 and 17, and the CA414 is a programmable multisensor with settings for day/night and occupied/unoccupied conditions. The CAST-PRO CP416 optical smoke detector uses C-TEC's MASC and AFFIRM algorithms, and the CP402 heat detector can be programmed as an A1R, A2 or B detector. Each has an onboard short circuit loop isolator. The CPDUCT/OPT looks for smoke in air moving through ductwork, with EN 54-27:2015 approval pending.

CAST bases

The CA408 is the base plate for C-TEC's CAST addressable detectors, with an integrated locking mechanism. The CA408R relay base switches up to 1 A at 24 Vdc from the detector's remote LED output, for uses such as door release.

DetectorRangeType
C4403BActiVHeat, Type B 75°C
C4416ActiVOptical smoke
CA416CASTOptical smoke
CP402CAST-PROHeat, A1R, A2 or B
CPDUCT/OPTCAST-PRODuct smoke

Related categories

See C-TEC fire panels, the full C-TEC products range, manual call points, fire detectors from other makers and fire and safety equipment.

Frequently asked questions

What are C-TEC ActiV detectors?

ActiV is C-TEC's conventional detector range, covering optical smoke, multi-sensor and heat detectors that plug into two-wire bases. Heat options include fixed-temperature and rate-of-rise types for kitchens or dusty areas, and the multi-sensor helps reduce false alarms in places such as student accommodation. Matching bases include a diode base for head-removal monitoring. The range here includes ActiV detectors and a diode base.

What types of C-TEC detector are there?

C-TEC detectors come in conventional and addressable types. ActiV detectors are conventional and suit zoned systems, while CAST detectors are addressable and connect on a loop to a compatible C-TEC panel. The ActiV and CAST families include optical smoke, heat and multi-sensor heads that fit onto separate bases. The range here includes ActiV and CAST detectors, plus mounting bases.

How is a C-TEC smoke detector wired?

A C-TEC smoke detector fits onto a separate base, and the cables connect to terminals in that base rather than to the head. On a conventional ActiV system, the bases share a two-wire zone circuit back to the panel, ending in an end-of-line device. A diode base keeps the circuit working if a head is removed. CAST addressable bases connect on a loop instead.

  • Established 1975
  • Birmingham trade counter
  • UK-only supply

Written by the West Midlands Electrics technical team

Updated

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