Littelfuse

Littelfuse JLLS225 Class T Fuse – 225A – 600V Fast-Acting Current-Limiting Fuse

In stock
SKU: JLLS225 GTIN/UPC: 07945819089
$123.20
CONDITION
Need Reconditioned? Get Price by Calling
Call Us
Secure transaction
FREE & fast shipping on orders over $149
1 year warranty
30 day returns

Ask an expert

Email 866-972-6370

The Littelfuse JLLS225 is a 225 Amp Class T fast-acting fuse engineered for superior protection in industrial and commercial electrical distribution systems. Part of the JLLS series, this current-limiting fuse provides extremely fast fault interruption to reduce let-through energy and protect electrical equipment from damaging short-circuit currents. Its compact knife-blade/bolt-in construction makes it ideal for applications requiring high interrupting capacity and space-efficient installation.

Electrical Rating

  • Current Rating: 225 Amps
  • Maximum AC Voltage: 600 VAC
  • Maximum DC Voltage: 300 VDC
  • Interrupting Rating:
    • 200 kA AC
    • 20 kA DC @ 300 VDC

Key Specifications

  • Manufacturer: Littelfuse
  • Catalog Number: JLLS225
  • Series: JLLS
  • Fuse Class: Class T
  • Construction Type: Knife-Blade / Bolt-In
  • Fuse Type: Fast-Acting Current-Limiting
  • Indicating: No

Protection Characteristics

  • Fast-acting operation for immediate fault clearing
  • Current-limiting design minimizes let-through current and energy
  • Provides exceptional short-circuit protection
  • High interrupting capacity for demanding industrial applications
  • Helps protect sensitive electrical and electronic equipment from fault damage

Construction Features

  • Compact Class T fuse design
  • Knife-blade/bolt-in terminal construction
  • Non-indicating fuse configuration
  • Industrial-duty construction for reliable long-term performance

Mounting & Compatibility

  • Mounting Method: Fuse Block / Holder / Bolt-In Mounting
  • Compatible with Class T fuse blocks and fuse holders
  • Suitable for switchboards, panelboards, UPS systems, battery systems, and industrial distribution equipment

Applications

  • Industrial power distribution systems
  • UPS and battery backup systems
  • Switchboards and panelboards
  • Motor control centers
  • Current-limiting feeder and branch circuit protection
  • Protection of sensitive electrical and electronic equipment

Product Data

  • Manufacturer: Littelfuse
  • Catalog Number: JLLS225
  • Product Type: Fast-Acting Current-Limiting Fuse
  • Series: JLLS
  • Fuse Class: Class T
  • Type Fuses
  • Vendor Littelfuse
  • Brand Littelfuse

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.