JCR-B - 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


JCR-B
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:
7200V o Bolt-On (See Figure 2)
Data Sheet:
Catalog Number Amp Rating Maximum Design Voltage Dimensions A - in (mm) Dimensions B - in (mm) Dimensions C - in (mm) Construction: Max Int. Cap. Amps (Asym.) Amps (Sym.) Max Int. Cap. Amps (Sym.) Max. Interrupting Capacity (Amps-Asym)
JCR-B-2R 70 8300 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 160  
JCR-B-3R 100 8300 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 250  
JCR-B-4R 130 8300 19.25 (488.9) 17.88 (454.1) - Single   50,000 325 80,000
JCR-B-5R 150 8300 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 390  
JCR-B-6R 170 8300 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 500  
JCR-B-9R 200 7200 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 570  
JCR-B-12R 230 7200 19.25 (488.9) 17.88 (454.1) - Single 80,000 50,000 1,000  
JCR-B-18R 390 7200 19.25 (488.9) 17.88 (454.1) 3.31 (84.1) Double 80,000 50,000 1,450  
JCR-B-24R 450 7200 19.25 (488.9) 17.88 (454.1) 3.31 (84.1) Double 80,000 50,000 2,500