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Approvals & Standards

  • IEC 60269-2 and IEC 60947-3
  • UL4248-1 Compliant
  • RoHS Compliant
  • Plastic material: NF 16101 & 16102
Requirement 2 Compliant
  • CCC (screw terminal connection

Key features & benefits

The innovative and comprehensive Modulostar® range of Mersen
Modular fuse-holders are finger-safe as per 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 or 3 poles, with or without
visual blown fuse indicators, in IEC + UL version.
Multi-pole units can also be field assembled by ordering pin-ties
assembly kit. The range offers the possibility to use microswitches
(supplied with the holders or ordered separatly) to allow remote
indication. Modulostar® range is made of tough and durable
thermoplastic or thermoset material.

More specifications


  • All circuits up to 800V using semiconductor fuses for protection of small inverters, UPS systems, motor drives, etc.
  • Non-load operation

Product Specifications

Item Number


Catalogue No.


Item Description (ERP)

US 272  

Short Description

modular fuse holder, UL, 2P, 27x60, DIN rail mounting, IP20  



Rated voltage AC UL

800   V

Rated voltage DC UL

800   V

Rated voltage AC IEC

800   V

Rated voltage DC IEC

800   V

Ampere Rating

140   A

ROHS Compliant


Fuse Size


Design Details

double pole  

Number of Poles


Torque Rating

30.98   lb-in

Rated Impulse Withstand Voltage


Rated Insulation Voltage

800   V

Conventional Free Air thermal Current With Fuse-Links Ith

140   A

Max Power dissipation of Fuse Links Pn

11   W

Installation Mounting

DIN rail acc. EN 60715  


Wiring tool : PZ3 or flat 8x1.2mm screw drivers recommended  

Product Weight

0.668   lb

Product Width

3.15   in

Product Length

3.68   in

Product Height

5.88   in

Sell Pack Quantity

1   EACH

Sell Pack Weight

0.668   lb

Sell Pack Width

4.72   in

Sell Pack Length

5.91   in

Sell Pack Height

3.94   in