Class J AJT Time Delay

Mersen Manufacturer Part numbers are changing for AJT fuses


Indicating vs Non-indicating ~ Please read carfully as fuses are non-returnable


TypeOld Part NumberNew Part Number
Indicating fuseAJTxAJTxID
Non-Indicating fuseAJTxNAJTx

*Due to the duplication of AJTx between old Indicating and new Non-Indicating, please read the product descriptions carefully.
We apologize for the inconvenience



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98 Products

AJT7N

Ferraz Shawmut Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 7 Ampere, **Non-returnable**


In Stock
$18.25
QuantityPrice
AJT600ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 600 Ampere, **Non-returnable**


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$1,014.05
QuantityPrice
AJT600

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 600 Ampere, **Non-returnable**


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$952.75
QuantityPrice
AJT500ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 500 Ampere, **Non-returnable**


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$1,052.77
QuantityPrice
AJT500

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 500 Ampere, **Non-returnable**


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$988.35
QuantityPrice
AJT450ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 450 Ampere, **Non-returnable**


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$1,052.77
QuantityPrice
AJT450

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 450 Ampere, **Non-returnable**


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$987.83
QuantityPrice
AJT400ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 400 Ampere, **Non-returnable**


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$662.91
QuantityPrice
AJT400

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 400 Ampere, **Non-returnable**


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$621.20
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AJT350ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 350 Ampere, **Non-returnable**


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$695.30
QuantityPrice
AJT350

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 350 Ampere, **Non-returnable**


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$650.93
QuantityPrice
AJT300ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 300 Ampere, **Non-returnable**


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$662.91
QuantityPrice
AJT300

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 300 Ampere, **Non-returnable**


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$619.72
QuantityPrice
AJT250ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 250 Ampere, **Non-returnable**


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$662.91
QuantityPrice
AJT250

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 250 Ampere, **Non-returnable**


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$619.18
QuantityPrice
AJT225ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 225 Ampere, **Non-returnable**


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$695.30
QuantityPrice
AJT225

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 225 Ampere, **Non-returnable**


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$649.23
QuantityPrice
AJT200ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 200 Ampere, **Non-returnable**


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$346.05
QuantityPrice
AJT200N

Ferraz Shawmut Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 200 Ampere, **Non-returnable**


Out Of Stock
$104.85
QuantityPrice
AJT175ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 175 Ampere, **Non-returnable**


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$343.25
QuantityPrice
AJT175

Mersen Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 175 Ampere, **Non-returnable**


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$316.91
QuantityPrice
AJT150ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 150 Ampere, **Non-returnable**


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See Price In Cart
$346.05
QuantityPrice
AJT150N

Ferraz Shawmut Class J Non-Indicating Time Delay Fuse, 600VAC, 300kA IR, 150 Ampere, **Non-returnable**


Out Of Stock
$104.65
QuantityPrice
AJT125ID

Mersen Class J SmartSpot Indicating Time Delay Fuse, 600VAC, 300kA IR, 125 Ampere, **Non-returnable**


Drop Ship
See Price In Cart
$346.05
QuantityPrice

 OVERVIEW



• Solid-state SmartSpot visual blown fuse indicator available on 8A and above
• Unique Class J dimensions prevent replacement errors
• Most current-limiting UL class fuse
• High-grade silica filler ensures fast arc quenching
• Small footprint requires less mounting space and allows smaller, more economical fuse blocks
• Easy 2-to-1 selectivity for prevention of nuisance shutdowns
• High-visibility orange label for instant recognition
• Fiberglass body provides dimensional stability in harsh industrial settings
• Metal embossed date and catalog number for traceability and lasting identification
• Optional EI blown fuse indicator/switch available

Applications
• Motor circuits
• Mains
• Feeders
• Branch circuits
• Transformers
• Control panels
• Lighting, heating, and general loads