Description
NOHMI BOSAI KOGYO CO LTD.
FDS523-I
IONIZATION SMOKE DETECTOR
DC17.2V 17.2 MA
4.6µCI AM241
NK APPROVED NO. NKE-2529
013988
FDS523-I-B
FDS-6406
The Nohmi Bosai Kogyo FDS523-I is an ionization smoke detector used as an automatic detection point in a vessel’s fire alarm system. Its chamber holds a 4.6 µCi Am241 source. Smoke particles that enter the chamber trigger an alarm at the fire panel. The detector is rated 17.2 V DC at 17.2 mA and carries NK approval number NKE-2529. Further references on the unit are FDS523-I-B, FDS-6406 and 013988. It is supplied in Used condition, for spaces where early smoke warning is required.
Key Features
✓ FDS523-I ionization smoke detector
✓ Rated 17.2 V DC, 17.2 mA
✓ 4.6 µCi Am241 ionization source
✓ NK approved No. NKE-2529
✓ References FDS523-I-B and FDS-6406
Marine Applications
✓ Accommodation cabins and corridors
✓ Switchboard and electrical equipment rooms
✓ Engine control room
✓ Steering gear room
Technical Support
Prota Marine provides technical support, repair and onboard installation for the ionization smoke detector and the wider fire alarm system. Our team handles fault diagnosis on smoke detection points and supports commissioning when the detector is returned to service.
