Class L A4BQ Time Delay

27 Products

A4BQ100

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 100 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ150

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 150 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ200

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 200 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ250

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 250 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ300

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 300 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ350

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 350 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ400

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 400 Ampere,


Drop Ship
$1,018.20
QuantityPrice
A4BQ450

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 450 Ampere Non-cancelable


Drop Ship
$1,018.20
QuantityPrice
A4BQ500

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 500 Ampere,


Drop Ship
$1,018.20
QuantityPrice
A4BQ600

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 600 Ampere,


Drop Ship
$1,018.20
QuantityPrice
A4BQ1000

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1000 Ampere,


Drop Ship
$970.85
QuantityPrice
A4BQ1200

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1200 Ampere,


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$970.85
QuantityPrice
A4BQ1350

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1350 Ampere Non-cancelable


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$1,595.55
QuantityPrice
A4BQ1400

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1400 Ampere Non-cancelable


Drop Ship
$1,595.55
QuantityPrice
A4BQ1500

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1500 Ampere Non-cancelable


Drop Ship
$1,595.55
QuantityPrice
A4BQ1600

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1600 Ampere,


Drop Ship
$1,241.75
QuantityPrice
A4BQ1800

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1800 Ampere Non-cancelable


Drop Ship
$2,105.45
QuantityPrice
A4BQ1900

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 1900 Ampere Non-cancelable


Drop Ship
$2,105.95
QuantityPrice
A4BQ2000

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 2000 Ampere,


Drop Ship
$1,668.85
QuantityPrice
A4BQ2500

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 2500 Ampere,


Drop Ship
$2,210.65
QuantityPrice
A4BQ2501

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 2501 Ampere Non-cancelable


Drop Ship
$2,549.05
QuantityPrice
A4BQ3000

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 3000 Ampere,


Drop Ship
$2,548.60
QuantityPrice
A4BQ3500

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 3500 Ampere Non-cancelable


Drop Ship
$4,100.15
QuantityPrice
A4BQ3800

Ferraz Shawmut Class L Time Delay Fuse, 600VAC, 300kA IR, 3800 Ampere Non-cancelable


Drop Ship
$4,474.50
QuantityPrice

 OVERVIEW



• Fastest operation under short circuit conditions: Let-thru currents are typically 20% lower, with corresponding let-thru energy up to 40% lower than the next fastest Class L fuse
• 300kA Interrupt Rating, self-certified (UL witnessed)
• Most current-limiting for lowest peak let-thru current
• Pure silver links ensure lowest let-thru current and longer fuse life
• Easy 2-to-1 selectivity for prevention of nuisance shutdowns and “blackouts”
• Rejection-style design prevents replacement errors
• High-visibility orange label for instant recognition
• Reduced inventory because A4BQ can replace all older types of Class L fuses now in service
• 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

Applications
• Mains
• Feeders
• Large motors
• Lighting, heating, and general loads
• Circuit breaker back-up