Approvals & 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
Key features & benefits
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.
Applications
- All circuits up to 750VAC for protection of motors,
- transformers, low voltage distribution, control circuits
- Non-load operation
Documents & Resources
Datasheet
Compliance
Product Specifications
Item Number
S331147
Catalog number
US143MI
Description
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 3-Pole Visual Indicator Microswitch Pressure Plate IP20
EAN/UPC code
0782001311117
Rated voltage AC UL
800 V
Rated voltage DC UL
1000 V
Frequency
50 ... 60 Hz
Rated voltage AC IEC
750 V
Rated voltage DC IEC
750 V
Rated current
50
ROHS Compliant
Yes
Short Circuit Current Rating (SCCR)
100 kA
Fuse size
14x51
Design Details
US14 triple pole
Indication System
Yes
Indication System Type
Visual Indicator Microswitch
Number of Poles
3-Pole
Wiring range
#2 - #14
Contact materials
Tin-Plated Copper
Connection/Terminal Type
Clip
Fuse Installation Method
Clip-in
Body/Insulating Material
Polyamide
Torque Rating
3.5 N m
Max Fuse Rated Current
50 A
Rated Impulse Withstand Voltage Uimp
8
Rated Insulation Voltage
690 V
Conventional Free Air thermal Current With Fuse-Links Ith
50 A
Installation Mounting
DIN rail acc. EN 60715
Comments
Wiring tool : PZ2 or flat 5.5x1mm screw drivers recommended (max. diameter 6mm)
Product Weight
0.455 kg
Product Width
79.5 mm
Product Length
76.5 mm
Product Height
110.7 mm
Sell Pack Quantity
2 EACH
Sell Pack Weight
0.91 kg
Sell Pack Width
119.9 mm
Sell Pack Length
184.9 mm
Sell Pack Height
85.1 mm