Fuse Amp-Trap Class J 600V 30A Fast-Acting, 0.81 Inch Diameter, PolyTube Body
Mersen

Mersen A4J30 Fuse Amp-Trap Class J 600V 30A Fast-Acting, 0.81 Inch Diameter, PolyTube Body

  • MPN: A4J30
  • UPC: 782001960186
  • PPN: FER-A4J30

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$9.15

/ EA

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Spec sheet

Description

Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

Features

  • Engineered as a premium, highly current-limiting component, the A4J30 responds within milliseconds to isolate major faults. By drastically restricting peak let-thru current, it safeguards downstream distribution panelboards, bus ducts, and sensitive circuit breakers from catastrophic thermal and mechanical deformation.
  • Featuring a precise, fast-acting response curve, this 30-amp fuse provides instant clearing for overcurrent events without an intentional time delay. This quick-trip execution is purpose-built to defend critical, low-inrush components like electrical resistance heaters, capacitor banks, and general branch feeders against sustained thermal damage.
  • Boasting robust operational limits of 600V AC and 300V DC, this device seamlessly bridges classic manufacturing lines and modern green energy sub-systems. It functions perfectly inside industrial control panels, commercial switchboards, and heavy-duty disconnects, helping purchasing managers consolidate their spare parts inventory.
  • With a staggering 200,000-amp AC interrupting rating (and 100,000-amp DC rating), this component safely dampens high-energy electrical blasts. This superior capacity ensures compliance with rigid National Electrical Code (NEC) requirements for high available fault currents, keeping your plant facilities fully insurable.

Documentation & Downloads

Specifications

Additional

Voltage
600 V AC, 300 V DC
Interrupting Rating AC
200 kA
Fuse Class
Class J
Frequency
50/60 Hz
Diameter
0.81 in
Mounting
Clip
Connection Material
Tin-Plated Copper
RoHS Compliance
Yes
Standards Compliance
UL Listed, CSA Certified, IEC 269-2-1
Amperage30 A
Interrupting Rating DC100 kA
Fuse TypeFast-Acting
Length2.25 in
Weight0.097 lb
Connection TypeFerrule
Body MaterialPolyTube
Amperage Range1 to 600 A

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