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
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