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General Purpose Fuses
Miniature/Glass Fuses
Semiconductor Fuses
Medium-Voltage Fuses
Special Purpose Fuses
UltraSafe™ Fuse Holders
Fuse Blocks & Holders
Power Distribution Blocks
Low-Voltage Disconnect Switches (U.S. only)
High Power Switches
Application Information
North American Power Fuses
Model Class Name Description Rating Approvals PDF Link North American Power Fuses
TR & TRS Class RK5 Tri-onic Î fuse Time Delay 1/10-600A / 250VAC or 600VAC UL, CSA
TRS-RDC DC RATED Tri-onicÎ fuse Time Delay 1-30A / 300VDC or 600 VDC MSHA
A4J Class J Amp-TrapÎ Fast Acting 1-600A / 600VAC UL, CSA

A4BY

Class L

Amp-TrapÎ

4 Second Delay

200-6000A / 600VAC

UL, CSA
A4BT Class L Amp-TrapÎ 10 Second Delay 200-2000A / 600VAC UL, CSA
A3T Class T Amp-TrapÎ Fast Acting 1-1200A / 300VAC UL, CSA

A6T

Class T

Amp-TrapÎ

Fast Acting

1-800A / 600VAC

UL, CSA

A2K & A6K

Class RK1

Amp-TrapÎ

Fast Acting

1-600A / 250VAC or 600VAC

UL, CSA

AG

Class G

Amp-TrapÎ

Current Limiting

1/2-60A / 480VAC

UL, CSA

ATMR

Class CC

Amp-TrapÎ

Fast Acting

1/10-30A / 600VAC

UL, CSA

OT & OTS

Class K-5

One-Time

General Purpose

1-600A / 250VAC or 600VAC

UL, CSA

OTN

Class K-5

One Time

Type "P"

15-60A / 250VAC

CSA
RF/RFS & RL/RLS Class H Renewable General Purpose 1 to 600A, 250VAC or 600VAC UL, CSA

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