Description
WITHOUT BOX)
NOHMI BOSAI KOGYO CO LTD.
TYPE: FMM557
MANUAL FIRE ALARM
VOLT: DC 20V
CURR: 50MA
P/NO: DWG: AJ-6137
P/N: B6200.260
The Nohmi Bosai FMM557 (B6200.260) is a manual fire alarm unit belonging to a vessel’s fire alarm system. Operated by hand, it gives a direct way to report a fire as soon as it is seen, passing the alarm to the fire alarm control panel. The unit runs on 20 V DC with a 50 mA current marking and is associated with drawing AJ-6137. Manual alarm points like this are placed along escape routes and at exits from accommodation and machinery spaces. Condition is New Without Box.
Key Features
✓ Type FMM557 manual fire alarm
✓ Voltage DC 20 V
✓ Current 50 mA
✓ Drawing reference AJ-6137
✓ P/N: B6200.260
Marine Applications
✓ Accommodation escape routes
✓ Machinery space exits
✓ Steering gear room
✓ Galley and mess room entrances
Technical Support
Prota Marine provides technical support, repair and onboard installation for the manual fire alarm unit and the wider fire alarm system. Fault diagnosis and commissioning support are also available for this unit.




