Description
EATON
CUTLER-HAMMER
CAT. FDB3050L
INDUSTRIAL CIRCUIT BREAKER / MOLDED CASE CIRCUIT BREAKER
FDB 14K
50 AMPS 3 POLES
600 VAC-250 VDC 40°C
STYLE 6638C31G91
60/75 °C WIRE-CU/AL
071113DT W343784315
The Eaton Cutler-Hammer FDB3050L is a 3-pole molded case industrial circuit breaker marked FDB 14K. It is rated 50 A at 40°C, for up to 600 V AC or 250 V DC. In the marine control system it protects the power feeds to control panels, motor starters and automation switchboards against overcurrent. Its terminals accept copper or aluminium conductors rated 60/75°C, and the style number 6638C31G91 identifies the build. It comes in New Open Box condition.
Key Features
✓ 50 A, 3 poles
✓ 600 VAC-250 VDC rating at 40°C
✓ FDB 14K marking
✓ 60/75 °C Cu/Al wire terminals
✓ Style 6638C31G91
Marine Applications
✓ Incoming feeder protection for engine control console power
✓ Protection of motor control centre sections for pumps and fans
✓ DC distribution protection for emergency control supplies
✓ Main supply protection for automation switchboards
Technical Support
Prota Marine provides technical support, repair and onboard installation for the molded case circuit breaker and the wider marine control system. We offer fault diagnosis for nuisance tripping or failed feeders, and commissioning support when the breaker is returned to service.



