JCK-A - Indoor/enclosure R-rated medium voltage,current-limiting fuses for motor circuit protection.

Medium Voltage Fuses and Fuse Links - R-rated fuses
for motor circuit protection


JCK-A
Specifications
Decription:
Indoor/enclosure R-rated medium voltage,
current-limiting fuses for motor circuit protection.
Dimensions:
See Dimensions illustrations.
Ratings:
Volts:- 2.4-7.2kV (See Catalog Numbers table
 for details)
Amps:- 25-450A (See Catalog Numbers table
 for details)
IR:- 50kA Sym
 - 80kA ASYM
 - See Catalog Numbers table for details
Agency Information:
UL Recognized: 2540Vac o JCK, JCK-A, 5080Vac o JCL, JCL-A, UL Recognized (Guide #MSSS2, File #E96676).
Features and Benefits:
@ Physically dimensioned for retrofitting in existing hardware
@ Open fuse indicator for ease in troubleshooting
@ Available with optional Cutler Hammer hookeye for ease of insertion and removal
@ Classified as back-up fuses for current-limited protection of medium voltage motor controllers
Typical Applications:
@ Medium Voltage Motor Controllers
Note:
2400V o With Westinghouse Ampguard Hookeye (See Figure 1)
Data Sheet:
Catalog Number Amp Rating Maximum Design Voltage Dimensions A - in (mm) Dimensions B - in (mm) Dimensions C - in (mm) Construction: Max. Interrupting Capacity (Amps-Asym) Amps (Sym.) Max Int. Cap. Amps (Sym.) Max Int. Cap. Amps (Asym.)
JCK-A-2R 70 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single 80,000 50,000 165  
JCK-A-3R 100 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 220 80,000
JCK-A-4R 130 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 320 80,000
JCK-A-5R 150 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 410 80,000
JCK-A-6R 170 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 480 80,000
JCK-A-9R 200 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 720 80,000
JCK-A-12R 230 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Single   50,000 970 80,000
JCK-A-18R 390 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Double   50,000 1,430 80,000
JCK-A-24R 450 2540 11.24 (285.5) 3.0 (76.2) 3.0 (76.2) Double   50,000 1,880 80,000