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Ferraz Shawmut Fuse Quick Selector |
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APPLICATION |
RECOMMENDED FUSE |
SECTION |
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Loads Requiring No-Damage
Protection |
Amp-trap 2000®
fuses sized for IEC Type
2
protection: Class J - AJT, Class L - A4BQ,
Class RK1 - A2D (250V), A6D (600V),
Class CC - ATDR, ATQR |
A
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Mains, Feeders, Branch Circuits
Low Voltage - Above 600A
600A and less
Medium Voltage |
Class L - A4BY, A4BT
Class J or Class RK1 - AJT, A4J, A2D/A6D, A2K/A6K
"E" Rated - A055 (5kV), A155 (15kV) |
A
B
A B
C
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Motors
Low Voltage - Above 600A
600A and less
Medium Voltage
Small Motors |
Class L A4BQ, A4BY, A4BT
Class J - AJT, Class RK1 - A2D (250V), A6D (600V) or
Class RK5 - TR (250V), TRS (600V)
"R" Rated - A240R (2.4kV), A480R (4.8kV), A072 (7.2kV)
Class CC - ATDR |
A B
A
B
E
A
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Transformers
Low Voltage - Above 600A
600A and less
Medium Voltage
Control Transformers |
Class L - A4BY, A4B T
Class J - AJT or Class RK5 - TR (250V), TRS (600V)
"E" Rated - A055 (5kV), A155 (15kV)
Class CC - ATQR |
B
A B
E
E |
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Semiconductor Protection |
Amp-trap®
Form 101 Fuses, 130 to 1200V, 1 to 6000A |
D |
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Electronic Circuit Protection |
Midget Miniature, Micro and PC Mount
Fuses |
C |
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Control Circuits |
Class CC and Midget Fuses |
A
C |
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Welders |
Welder Protectors - A4BX (Type 150) -
Class K Dims.
A4BX (Type 150J) - Class J Dims. |
G |
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Service Cable |
Cable Protectors - CP--C- (For Copper
Cable),
CP--A- (For Aluminum Cable) |
G |
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General Circuits |
Class J - AJT, A4J
Class RK1 - A2D, A2K (250V): A6D, A6K (600V)
Class RK5 - TR (250V); TRS (600V)
Class K [50,000A I.R.] - OT (250V), OTS (600V)
Class H [10,000A I.R.] - NRN, CRN (250V) Canadian,
RF (Renewable)
NRS, CRS (600V) Canadian,
RFS (Renewable) |
A
B
A B
B
B
F
B
F
B |
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