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General Purpose / Semi Conductor Fuse Holders

MFH Series

MFH Series

Modular Fuse Holder

Specifications
  • UL Compliant
  • 600V & 1500V (AC/DC) versions
  • Up to 800 amps
Features/Benefits
  • Compliant with a variety of fuse types and evaluated at each fuse's SC withstand rating:
    • Industrial class J & T
    • Semi-conductor
    • High speed/specialty
    • Photovoltaic
  • Dead-front terminal protection with covers installed
  • Snap-on translucent covers available
  • Modular construction for single or multiple pole configurations
  • Fastener connectors for mechanical or crimp lugs
  • Evaluated to terminate flexible laminated bus bar

    • 600 Amp Datasheet

    800 Amp Datasheet

Modular Fuse Holder
Catalog # Amp Voltage Cover Included For Fuse Types Fuse Terminal Line Side Terminal Load Side Terminal
MFH6153DD CH 600 1500 Yes Specialty / Semi-conductor / High-Speed 3/8" Tap 3/8" Tap 3/8" Tap
MFH6153DD 600 1500 No
MFH6063DD CH 600 600 Yes J & T Class
MFH6063DD 600 600 No
MFH8155FF CH 800 1500 Yes Specialty / Semi-conductor / High-Speed 1/2" Tap 1/2" Tap 1/2" Tap
MFH8155FF 800 1500 No
MFH8065FF CH 800 600 Yes J, T & L Class
MFH8065FF 800 600 No
1MS101

1MS101

Box Version

Specifications
  • 600 Volts
  • 200,000 amp SC withstand rating
  • Insulator base, general purpose phenolic, 150°C (UL RTI)
  • Hex-head bolts and Belleville washers provided unassembled
  • Connector - aluminum, tin plated
  • Dove-tail interlocking feature on 1MS101
  • Two-piece modular design
  • UL recognized - UR file no. IZLT2.E35113, cUR file no. IZLT8.E35113
  • CE compliant
  • RoHS compliant
Max Amps Catalog # Wire Range Fuse Terminal Tested At: Datasheets
l2t lp
100 1MS101 2/0 - #14 1/4" Tap 193 kA 27.4 kA Datasheet
400 1MS102 (2) 250 kcmil - #6 1/4" Tap 3480 kA 69.5 kA Datasheet
1MS103 3/8" Tap 3480 kA 69.5 kA Datasheet
600 1MS104 (2) 500 kcmil - #6 3/8" Tap 2840 kA 50.8 kA Datasheet

Stud Version

Specifications
  • 1000 volt
  • Insulator base, high strength thermoplastic
  • Stud, nuts and Bellville washers: plated steel
  • Maximum insulator base temperature rating 125°C (257°F) UL RTI (impact)
  • Hardware provided unassembled
  • Flammability rating of insulator UL 94 V-0
  • Ideal for applications such as lithium-ion battery packs, inverters, industrial panels and other energy storage devices
  • UL recognized - UR file no. IZLT2.E35113, cUR file no. IZLT8.E35113
  • RoHS compliant
Catalog #
FSM25E FSM37E FSM50E
Stud Sizes 1/4" - 20 Stud 3/8" - 16 Stud 1/2" - 13 Stud
Metric sizes (M6, M10, M12) available upon request - contact Customer Service for more information
Electrical Ratings 400A, Up to 1000V AC/DC 800A, Up to 1000V AC/DC 1200A, Up to 1000V AC/DC
Application Torque 75 in-lbs. 230 in-lbs. 300 in-lbs.
SC Withstand Rating Approved for 200,000A, Tested at 111 kA2s (l2t) and 20.0 kA (lp) Approved for 200,000A, Tested at 274 kA2s (l2t) and 26.2 kA (lp) Approved for 200,000A, Tested at 465 kA2s (l2t) and 30.8 kA (lp)
Mounting Mount with #10 fastener, torque to 25-30 in. lbs Mount with #10 fastener, torque to 25-30 in. lbs Mount with 1/4" fastener, torque to 25-30 in. lbs
Datasheets Datasheet Datasheet Datasheet

Stud Version

Specifications
  • 130 volt AC/DC, 1 to 400 Amps
  • Base, high strength thermoplastic
  • Temperature rating 170°C
  • Studs, stainless steel (nuts and washers provided)
  • UL recognized file no. IZLT2.E35113
  • RoHS compliant
Applications
  • This holder is used in direct current (DC) applications: forklifts, golf carts, electric vehicles, custom high-end car stereo systems, heavy equipment, marine aircraft, and similar applications.

A #10 flat or conventional pan head screw head is acceptable for mounting.