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.

AC Voltage 750 VAC

DC Voltage Range 690 - 750 VDC

Ampere 125 A

Size per Standard 22x58

Mounting

DIN-rail
Installation On To DIN Rails To EN 60717

Connection Terminal Type Pressure Plate

Body Material Polyamide

Materials Contact Tin-plated Copper

SCCR

100 kA
200 kA

Wiring Range 1/0 to #14 Solid/Stranded Cu Wire

Enclosure IP20

Number of Poles

1
1 + N
1, 2, 3
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

Applications

All circuits up to 750V for protection of motors, transformers, low voltage distribution, control circuits
Non-load operation

Products

• US221 - E331158
• US221I - F331159
• US221M - G331160
• US221MI - Z1006203
• US221N - H331161
• US221NI - H227937
• US221NM - J331162
• US221NMI - K227939
• US222 - K331163
• US222I - L331164
• US222M - M331165
• US222M2 - P331167
• US222M2I - Q331168
• US222MI - N331166
• US223 - R331169
• US223I - S331170
• US223M - T331171
• US223M2 - W331173
• US223M2I - X1011974
• US223MI - V331172
• US223N - X331174
• US223NI - A227953
• US223NM - B227954
• US223NM2 - D227956
• US223NM2I - E227957
• US223NMI - C227955
• US22N - B227931
• US22PAK - F227958
• US22S1P - G227959
• US22S3P - H227960
• US22S3P2 - J227961