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Littelfuse MCASE® 4-Way Fuse Holders

Littelfuse MCASE® 4-Way Fuse Holders are compact, high-performance solutions that support up to four MCASE+® slotted cartridge fuses. These fuse holders feature a bussed power input and individually wired fuse outputs. The MCASE® 4-way fuse holder supports side-panel mounting using an accessory bracket. These holders comprise a glass-reinforced nylon, UL 94V-0-rated housing and cover, and silicone seal. The MCASE® fuse holders are IP67 and IP6K9K rated and offer ingress protection against dust, temporary submersion in water, and high-pressure water spray. These fuse holders are compatible with 1 to 6mm² wire size. Typical applications include mild hybrid vehicles, heavy-duty/medium-duty trucks, material handling equipment, electric powersports vehicles, golf carts, low-speed vehicles, electric lawn, and garden equipment.

Features

  • Supports up to four MCASE+® slotted cartridge fuses, offering high circuit density in a minimal footprint
  • Bussed power input with individually wired fuse outputs simplifies wiring and enhances reliability
  • Supports up to 160A maximum total current (125A continuous), with a maximum of 40A per circuit
  • Sealed design is IP67 / IP6K9K rated, providing protection against dust, water, and high-pressure water jets for use in harsh environments
  • Housing and cover made from UL 94V-0 rated, glass-reinforced nylon for flame resistance and mechanical durability
  • Accommodates wire sizes from 1 to 6mm², enabling flexibility in system design
  • Designed for side-panel mounting with an accessory bracket to suit various installation requirements
  • Uses an M6 x 1mm stud input terminal for a solid power connection

Applications

  • Mild hybrid vehicles
  • Heavy-duty/medium-duty trucks
  • Material handling equipment
  • Electric powersports vehicles
  • Small construction and agricultural equipment
  • Golf carts and low-speed vehicles
  • Electric lawn and garden equipment

Specifications

  • 32V DC voltage rating
  • Shock: ISO16750-3 (2012), 4.2, acceleration: 250m/s², and duration:6ms
  • Vibration: ISO16750-3 (2012), 4.1.2.4, and sprung masses
  • Humidity: ISO16750-4 (2010), section 5.6.2.3, 10 cycles, and 24hours per cycle
  • -40°C to 105°C maximum temperature range

Overview

Littelfuse MCASE® 4-Way Fuse Holders
Published: 2025-08-28 | Updated: 2025-09-24