The UltraSafe™ US272 fuse holder offers secure 2-pole protection for industrial and commercial circuits, supporting up to 800VAC/800VDC with a robust UL-listed design. Engineered to accept 27×60 mm fuse sizes, it ensures optimal compatibility with high-voltage applications requiring reliable circuit isolation.
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Why Choose the Mersen H320006 UltraSafe Fuse Holder?
The Mersen H320006, also known by the catalogue reference US272, is a robust two-pole modular fuse holder designed for dependable protection and isolation in industrial electrical systems. Part of the Mersen Modulostar® CMS27 and UltraSafe™ US27 series, it accommodates cylindrical fuse-links measuring 27 × 60 mm.
This fuse holder provides finger-safe protection to IP20, helping reduce accidental contact with live components during normal operation and fuse replacement. Its durable thermoplastic or thermoset construction offers strong mechanical and thermal resistance for use in control panels, motor drives, power conversion equipment and industrial machinery.
Rated for operation at up to 800 V AC or DC with a conventional free-air thermal current of 140 A, the H320006 supports demanding semiconductor protection applications. Its two-pole design, Faston lug connections and DIN rail mounting format enable organised and efficient installation within industrial electrical enclosures.
Key Advantages
Robust two-pole modular fuse holder for industrial applications.
Compatible with 27 × 60 mm cylindrical fuse-links.
800 V AC and 800 V DC ratings for versatile circuit protection.
140 A conventional thermal current rating.
Finger-safe IP20 protection during operation and fuse replacement.
Convenient DIN rail mounting for industrial control panels.
Optional microswitch support for remote fuse status indication.
Technical Specifications
Manufacturer: Mersen
Series: Modulostar® CMS27 / UltraSafe™ US27
Model: H320006
Catalogue number: US272
Product type: Modular cylindrical fuse holder
Number of poles: 2
Compatible fuse size: 27 × 60 mm
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
Conventional free-air thermal current: 140 A
Rated insulation voltage: 800 V
Rated impulse withstand voltage: 8 kV
Maximum fuse-link power dissipation: 11 W
Protection rating: IP20
Connection type: Faston lugs
Torque rating: approximately 3.5 N m
Mounting type: DIN rail mounting to EN 60715
Dimensions (H × W × D): approximately 149.4 × 80 × 93.5 mm
Product weight: approximately 0.303 kg
Operation: Non-load operation
RoHS compliant: Yes
EAN / UPC: 3605340358131
Safe and Reliable Industrial Fuse Protection
The Mersen H320006 provides a secure mounting and connection point for cylindrical fuse-links used to protect industrial electrical circuits. Its enclosed modular design helps simplify fuse replacement while reducing exposure to live conductive components.
The UltraSafe™ US27 range is designed for circuits using semiconductor fuse protection, including motor drives, inverters and uninterruptible power systems. The H320006 should be operated without load, and the installed fuse-link must be selected according to the voltage, current, fault level and protection requirements of the application.
Typical Applications
Variable frequency drives and motor control systems.
Conventional Free Air thermal Current With Fuse-Links Ith
140 A
Product Weight
0.303 kg
HS Code
85361090
Country of Manufacture
Tunisia
Frequently Asked Questions
What is the Mersen H320006 used for?
The H320006 is used to securely mount compatible cylindrical fuse-links and provide two-pole fuse protection in industrial AC and DC electrical circuits.
Which fuse size is compatible with the H320006?
The fuse holder is designed for compatible 27 × 60 mm cylindrical fuse-links.
What is the voltage rating of this fuse holder?
The Mersen H320006 is rated for operation at up to 800 V AC or 800 V DC under both IEC and UL specifications.
Is the H320006 finger-safe?
Yes. The fuse holder provides IP20 finger-safe protection, including during normal fuse replacement procedures.
How is the Mersen H320006 installed?
The H320006 is designed for mounting on a standard DIN rail in accordance with EN 60715 and uses Faston lug connections.
Trusted Modular Protection from Mersen
Mersen Modulostar® and UltraSafe™ fuse holders are widely used by panel builders, automation engineers and equipment manufacturers to provide secure, accessible and dependable fuse protection in industrial electrical systems.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...