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AJT Reducer Fuses - Class J - Time-delay

Approvals & Standards
UL Listed to standard 248-8
IEC 269-2-1

AJT Reducer Fuses are a safe permanent solution for decreasing your current rating without using a fuse reducer which are designed and list for temporary use only. These reducer fuses provide the same trusted protection levels as a traditional AJT fuses but in a larger body.

AJT Reducer Fuses are a safe permanent solution for decreasing your current rating without using a fuse reducer which are designed and list for temporary use only. These reducer fuses provide the same trusted protection levels as a traditional AJT fuses but in a larger body.

Key features & benefits

  • Replaces traditional temporary-use only Fuse Reducer accessories

  • Recommended for Arc Flash energy reduction

  • Extremely current-limiting for low peak let-thru current

  • Most current-limiting UL class fuse

  • Time-delay for motor starting and transformer inrush

  • High-visibility orange label gives instant brand recognition

  • Metal-embossed date and catalog number for traceability and lasting identification

  • Fiberglass body provides dimensional stability in harsh industrial settings

  • High-grade silica filler ensures fast arc quenching

  • Optional EI indicator/switch

Applications

  • Motor circuits

  • Mains

  • Feeders

  • Branch circuits

  • Lighting, heating & general loads

  • Transformers

  • Control panels

  • Circuit breaker back-up

  • Bus duct

  • Load centers

Technical Specifications

Frequency (Hz) 50/60 Hz
Amperage Range 125 to 400 A
Fuse Class Class J
Speed/Characteristic Time Delay
UL Category Code JDDZ

Reference Finder

8 references in this series

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Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
AJT125/400 See product
125A - - No 0.8618kg
AJT150/400 See product
150A - - No 0.8618kg
AJT175/400 See product
175A - - No 0.8618kg
AJT200/400 See product
200A - - No 0.8618kg
AJT250/600 See product
250A - - No 1.4742kg
AJT300/600 See product
300A - - No 1.4742kg
AJT350/600 See product
350A - - No 1.4742kg
AJT400/600 See product
400A - - No 1.4742kg
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