Description
SQUARE D
CLASS 9001
TYPE: KA-51
SEALED CONTACT SWITCH
SER.C
C300 Q150
IEC 947-5-1
TECHNICAL DATA:
CONNECTIONS – TERMINALS: SCREW CLAMP TERMINALS, 1 X 0.22…2 X 2.5 MM² IEC 60947-1
TIGHTENING TORQUE: 7.08 LBF.IN (0.8 N.M) IEC 60947-1
SHAPE OF SCREW HEAD: CROSS SLOTTED
SHORT-CIRCUIT PROTECTION: 10 A CARTRIDGE FUSE IEC 60947-5-1
[ITH] CONVENTIONAL FREE AIR THERMAL CURRENT: 10 A
[UI] RATED INSULATION VOLTAGE: 250 V 3)IEC 60947-1
[UIMP] RATED IMPULSE WITHSTAND VOLTAGE: 2.5 KV IEC 60947-1
[IE] RATED OPERATIONAL CURRENT: 3 A 240 V, AC-15, A600-Q600 NEMA 0.55 A 125 V, DC-13, A600-Q600 NEMA
[ICM] RATED SHORT-CIRCUIT MAKING CAPACITY: 12 KA 600 V AC-15, 7200 VA 15 KA 480 V AC-15, 7200 VA 30 KA 240 V AC-15, 7200 VA 60 KA 120 V AC-15, 7200 VA 0.55 KA 125 V DC-13 0.1 KA 600 V DC-13 0.27 KA 250 V DC-13
RATED BREAKING CAPACITY: 3 KA 240 V AC-15, 720 VA 6 KA 120 V AC-15, 720 VA 1.2 KA 600 V AC-15, 720 VA 1.5 KA 480 V AC-15, 720 VA 0.1 KA 600 V DC-13 0.27 KA 250 V DC-13 0.55 KA 125 V DC-13
[US] RATED SUPPLY VOLTAGE: 240 V
CONNECTIONS – TERMINALS: SCREW-CLAMP TERMINALS
MADE IN JAPAN
The Square D 9001 KA-51 (SER C) is a sealed contact switch used in marine control system panels to open and close control circuit contacts. It carries C300 and Q150 ratings and is marked to IEC 947-5-1. Rated operational current is 3 A at 240 V AC-15 and 0.55 A at 125 V DC-13, with a conventional free air thermal current of 10 A, 250 V rated insulation voltage and 2.5 kV impulse withstand. Screw clamp terminals take conductors from 1 x 0.22 to 2 x 2.5 mm². The unit was made in Japan and is supplied in New Open Box condition.
Key Features
✓ Rated operational current 3 A at 240 V AC-15, 0.55 A at 125 V DC-13
✓ Conventional free air thermal current 10 A
✓ Rated insulation voltage 250 V, impulse withstand 2.5 kV
✓ Screw clamp terminals, 1 x 0.22 to 2 x 2.5 mm², 0.8 N.m torque
✓ Short-circuit protection by 10 A cartridge fuse to IEC 60947-5-1
Marine Applications
✓ Engine control console pushbutton stations
✓ Pump and fan starter control circuits
✓ Alarm acknowledge and reset circuits on control panels
✓ Local machinery control stations in the engine room
Technical Support
Prota Marine provides technical support, repair and onboard installation for the sealed contact switch and the wider marine control system. We help trace faults in the switching circuit and support commissioning of the panel once work is complete.
