Catalog

Fuse Holders, Fuse Bases and Supports

UL/CSA Fuse Holders

UltraSafe™ US14 Modular fuse-holders

The innovative and comprehensive UltraSafe™ range of Mersen fuse-holders. Modular fuse-holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). Modular fuse-holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in UL + IEC version. Multi-pole units can also be field assembled by ordering pin-ties assembly kit. In this size, the range also offers the possibility to use microswitches (supplied with the holders or ordered separately) to allow remote indication. UltraSafe™ range is made of tough and durable thermoplastic or thermoset material.

 

FEATURES

  • Finger safe
  • Degree of protection: IP20
  • Optional visual blown fuse indicator & microswitch
  • DIN rail mounting
  • Modular design
  • Lockable
  • Multi-pole assembly kit available
  • Sealable in closed and open position
  • Plastic material UL94V2 mini
  • Flame retardant materials with glow wire flammability index to 960°C
 

PRODUCT DETAILS

  • Volts (VAC) 750 VAC
  • Volts (VDC) 750 VDC
  • Ampere (A) 50 A
  • Size per Standard 14x51
    14x51mm
  • Mounting Installation On To DIN Rails To EN 60716
  • Connection Terminal Type ###
  • Body Style ###
  • Body Material ###
  • Materials Contact ###
  • SCCR 100 kA
  • Wiring Range #2 to #14 Solid/Stranded Cu Wire
  • Enclosure IP20
  • Number of Poles 1
    1 + N
    2
    3
    3 + N
  • Standards UL Recognized Component, UL4248, guide IZLT2, file E52283
    CSA Certified C22.2, class 6225, file 32169
    IEC 60269-2 and IEC 60947-3
    RoHS Compliant
    Plastic material: NF 16101 & 16102 Requirement 2 Compliant
  • Application All circuits up to 750VAC for protection of motors,
    transformers, low voltage distribution, control circuits
    Non-load operation
  • ROHS Compliant Yes
  • Lead Free Consult Technical Services
  • CE conformity Yes
  • CSA File Card Class: 3211-37 File: 032169_0_000
 

Catalog-Reference

  • US141 - Z331153
  • US141I - A331154
  • US141M - B331155
  • US141MI - C331156
  • US141N - D331157
  • US142 - G331137
  • US142I - H331138
  • US142M - J331139
  • US142M2 - L331141
  • US142M2I - M331142
  • US142MI - K331140
  • US143 - N331143
  • US143I - P331144
  • US143M - Q331145
  • US143M2 - T331148
  • US143M2I - W331150
  • US143MI - S331147
  • US143N - X331151
  • US143NI - R227922
  • US143NM - Y331152
 

CAD & OUTLINE DRAWINGS

  • CAD Drawings

    • Drawing US141 :   PDF (35 KB) DXF (463 KB)
    • Drawing US142 :   DXF (619 KB)
    • Drawing US143 :   DXF (864 KB)

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