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Linear Heat Detection

Water Leakage Detection

Discovery® Addressable Devices

A selection of EN54-approved addressable fire alarm devices

Discovery® Addressable Devices

A selection of EN54-approved addressable fire alarm devices

Enquire Now

Key Features

Five operating modes approved and certified to CPD and EN54
Automatic drift compensation to ensure constant sensitivity
Advanced features for audio visual devices
Rejection of transient signals
Flashing LED option
Four bytes of non-volatile memory for user data
Alarm flag for fast alarm reporting
Conventional alarm facility during control panel processor fault
360° LED visibility in alarm
Compatible with XP95 systems
Insect resistant

Detector Variants

Call Point Variants

Audible/Visual Device Variants

Cat No	Description	Dimensions
FPA-268	Discovery® standard base c/w XPERT card	Ø100mm x 8mmH
FPA-549	Discovery® ionisation smoke detector	Ø100mm x 42mmH
FPA-550	Discovery® optical smoke detector	Ø100mm x 42mmH
FPA-551	Discovery® multisensor detector	Ø100mm x 50mmH
FPA-552	Discovery® carbon monoxide fire detector	Ø100mm x 42mmH
FPA-555	Discovery® heat detector	Ø100mm x 42mmH

	Cat No Description Dimensions	FPA-268 Discovery® standard base c/w XPERT card Ø100mm x 8mmH
	Cat No Description Dimensions	FPA-549 Discovery® ionisation smoke detector Ø100mm x 42mmH
	Cat No Description Dimensions	FPA-550 Discovery® optical smoke detector Ø100mm x 42mmH
	Cat No Description Dimensions	FPA-551 Discovery® multisensor detector Ø100mm x 50mmH
	Cat No Description Dimensions	FPA-552 Discovery® carbon monoxide fire detector Ø100mm x 42mmH
	Cat No Description Dimensions	FPA-555 Discovery® heat detector Ø100mm x 42mmH

Cat No	Description	Dimensions
FPA-081/4	Protective cover to suit FPA-504 call point	-
FPA-269/KEY	Single key to suit FPA-504 call point	-
FPA-504	Discovery® IP67 call point	112mmW x 112mmH x 68mmD

	Cat No Description Dimensions	FPA-081/4 Protective cover to suit FPA-504 call point -
	Cat No Description Dimensions	FPA-269/KEY Single key to suit FPA-504 call point -
	Cat No Description Dimensions	FPA-504 Discovery® IP67 call point 112mmW x 112mmH x 68mmD

Cat No	Description	Dimensions	Sound Output	Flash Rate
FPA-553	Discovery® open-area sounder beacon base c/w isolator	Ø115mm x 38mmH	90dBA	60 per minute
FPA-554	Discovery® open-area red sounder beacon c/w isolator	Ø98mm x 104mmH	100dBA	60 per minute
FPA-556	Discovery® open-area white sounder beacon c/w isolator	Ø98mm x 104mmH	100dBA	60 per minute
FPA-754	Discovery® CAT O. sounder VAD base c/w isolator	Ø115mm x 38mmH	90dBA	60 per minute

	Cat No Description Dimensions Sound Output Flash Rate	FPA-553 Discovery® open-area sounder beacon base c/w isolator Ø115mm x 38mmH 90dBA 60 per minute
	Cat No Description Dimensions Sound Output Flash Rate	FPA-554 Discovery® open-area red sounder beacon c/w isolator Ø98mm x 104mmH 100dBA 60 per minute
	Cat No Description Dimensions Sound Output Flash Rate	FPA-556 Discovery® open-area white sounder beacon c/w isolator Ø98mm x 104mmH 100dBA 60 per minute
	Cat No Description Dimensions Sound Output Flash Rate	FPA-754 Discovery® CAT O. sounder VAD base c/w isolator Ø115mm x 38mmH 90dBA 60 per minute

Specification / Technical Information

FPA-555 multi-heat detector consists of 5 modes:

Mode 1 - 57°C rate-of-rise heat
Mode 2 - 61°C rate-of-rise heat
Mode 3 - 61°C fixed temperature heat
Mode 4 - 90°C rate-of-rise heat
Mode 5 - 90°C fixed temperature heat

Quick Enquiry

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Discovery® Addressable Devices

A selection of EN54-approved addressable fire alarm devices

Discovery® Addressable Devices

A selection of EN54-approved addressable fire alarm devices

Key Features

Cat No

Description

Dimensions

FPA-268

Discovery® standard base c/w XPERT card

Ø100mm x 8mmH

Cat No

Description

Dimensions

FPA-549

Discovery® ionisation smoke detector

Ø100mm x 42mmH

Cat No

Description

Dimensions

FPA-550

Discovery® optical smoke detector

Ø100mm x 42mmH

Cat No

Description

Dimensions

FPA-551

Discovery® multisensor detector

Ø100mm x 50mmH

Cat No

Description

Dimensions

FPA-552

Discovery® carbon monoxide fire detector

Ø100mm x 42mmH

Cat No

Description

Dimensions

FPA-555

Discovery® heat detector

Ø100mm x 42mmH

Cat No

Description

Dimensions

FPA-081/4

Protective cover to suit FPA-504 call point

-

Cat No

Description

Dimensions

FPA-269/KEY

Single key to suit FPA-504 call point

-

Cat No

Description

Dimensions

FPA-504

Discovery® IP67 call point

112mmW x 112mmH x 68mmD

Cat No

Description

Dimensions

Sound Output

Flash Rate

FPA-553

Discovery® open-area sounder beacon base c/w isolator

Ø115mm x 38mmH

90dBA

60 per minute

Cat No

Description

Dimensions

Sound Output

Flash Rate

FPA-554

Discovery® open-area red sounder beacon c/w isolator

Ø98mm x 104mmH

100dBA

60 per minute

Cat No