60 Amp 600 Volt Fast Acting Class T Fuse · Littelfuse JLLS060

SKU: LIT-JLLS060

Fast-acting Class T cartridge fuse rated 60A, 600VAC and 300VDC for current-limiting overcurrent protection in commercial and industrial equipment. Commonly used where high interrupting capacity and compact fuse size matter, such as panelboards, switchboards, and fused disconnects.

What this product is for

The Littelfuse JLLS060 is a 60A Class T fast-acting cartridge fuse used to protect electrical distribution equipment and branch circuits from short circuits and overcurrent conditions. It is suited to commercial and industrial applications where compact fuse dimensions and high interrupting capacity are required.

Use for

Panelboards and switchboards
Fused disconnects
Industrial control and distribution equipment
Applications requiring a 60A Class T fuse with fast response

Avoid for

Fuse holders or equipment designed for another fuse class
Applications requiring time-delay fuse performance for motor or transformer inrush
Circuits exceeding 600 VAC or 300 VDC

Best for

Best for electricians and maintenance teams specifying compact current-limiting protection in tight equipment layouts. This fuse is a practical choice when available fault current is high and fast clearing is needed to help limit damage to downstream components.

Installed in

Typically installed in Class T fuse blocks, fused switches, panelboards, and other commercial or industrial distribution assemblies. Verify fuse class, amp rating, voltage rating, and holder compatibility before replacement.

Why this product exists

Class T fuses are used where designers need a compact footprint with strong current-limiting performance. Compared with larger fuse classes, they help save space in equipment while still providing high interrupting ratings for demanding fault conditions.

Compared with similar products

Compared with time-delay fuses, this fast-acting model clears overcurrents more quickly and is generally chosen where inrush tolerance is not the priority. Compared with other fuse classes, Class T fuses are commonly selected for compact installations with high available fault current, but they require matching Class T fuse hardware.

Specifications

Manufacturer part number: JLLS060
Brand: Littelfuse
Series: JLLS
Product type: Industrial cartridge fuse
Fuse class: Class T
Opening characteristic: Fast-acting
Current rating: 60A
Maximum voltage: 600 VAC, 300 VDC
Interrupting rating: 200 kA at 600 VAC, 20 kA at 300 VDC
Construction: Cartridge style
Body size: approximately 0.99 in diameter x 1.56 in length (about 25 mm x 40 mm)
Indication: Non-indicating

- SKU
  LIT-JLLS060
- Manufacturer Part #
  JLLS060
Series
JLLS
Current Rating
60A
Construction
Cartridge style
Fuse Class
Class T
Interrupting Rating
200 kA at 600 VAC, 20 kA at 300 VDC
Body Size
approximately 0.99 in diameter x 1.56 in length (about 25 mm x 40 mm)
Maximum Voltage
600 VAC, 300 VDC
Opening Characteristic
Fast-acting
Indication
Non-indicating
Brands
Littelfuse

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