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MERSEN FUSE US 273 J320007

MERSEN FUSE US 273 J320007

The Fuse Holder UltraSafe™ US273 offers secure, touch-safe (IP20) protection for 27x60mm UL fuses, supporting 800VAC and 800VDC applications. Its 3-pole design and Faston lugs guarantee quick, reliable installation in high-reliability industrial power distribution and control systems.

SKU: J320007Alt SKU: US273MPN: J320007
Price
List Price £250.51 ex VAT
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£250.51
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Manufacturer Lead Time

£250.51

Why Choose the Mersen J320007 UltraSafe™ Fuse Holder?

The Mersen J320007 is a genuine UltraSafe™ US273 modular fuse holder designed for 27 × 60 mm cylindrical fuse-links. Part of the renowned Modulostar® CMS27 / UltraSafe™ US27 range, this robust 3-pole fuse holder provides safe, reliable protection for industrial power distribution and semiconductor applications while meeting both IEC and UL requirements.

Designed with operator safety in mind, the US273 features IP20 finger-safe protection, even during fuse replacement. Its heavy-duty thermoplastic construction offers excellent mechanical strength and long service life, making it ideal for industrial control panels, motor drives, UPS systems and OEM equipment.

The J320007 accommodates 27 × 60 mm fuse-links, supports 800 V AC/DC systems and incorporates Faston lug connections for efficient installation. The modular design also allows additional pole configurations using compatible assembly kits and optional auxiliary microswitches for remote fuse status indication.

Key Advantages

  • Genuine Mersen UltraSafe™ US273 modular fuse holder.
  • Designed for 27 × 60 mm cylindrical fuse-links.
  • 3-pole configuration for three-phase systems.
  • 800 V AC / 800 V DC IEC and UL rated.
  • IP20 finger-safe protection during installation and fuse replacement.
  • Compatible with optional auxiliary microswitches and multi-pole accessories.

Key Features

  • Manufacturer: Mersen
  • Series: Modulostar® CMS27 / UltraSafe™ US27
  • Catalogue number: US273
  • Item number: J320007
  • Three-pole modular fuse holder.
  • Faston lug connections.
  • DIN rail mounting.
  • Heavy-duty thermoplastic housing.
  • IP20 finger-safe construction.
  • Compatible with auxiliary microswitch accessories.

Safe Three-Phase Fuse Protection

The Mersen J320007 is engineered for industrial three-phase installations where reliable fuse mounting and operator safety are critical. Its finger-safe construction helps reduce accidental contact with live components, while the modular design simplifies installation and future system expansion.

Suitable for protecting semiconductor circuits, motor drives, UPS systems and industrial distribution equipment, the UltraSafe™ US273 delivers dependable performance in demanding environments requiring high voltage capability and long-term reliability.

Typical Applications

  • Three-phase industrial control panels.
  • Variable frequency drives.
  • UPS systems.
  • Power distribution equipment.
  • Semiconductor protection circuits.
  • Renewable energy installations.
  • OEM electrical machinery.

Technical Specifications

Phase Three Phase
Item number J320007
Catalogue No US273
Description Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Faston Lugs IP20
EAN/UPC Code 3605340358148
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 Yes
AC or DC AC/DC
Fuse Size 27x60
Design Details triple pole
Number of Poles 3-Pole
Torque Rating 3.5 Nm
Rated Impulse Withstand Voltage 8 kV
Rated Insulation Voltage 800 V
Max Power dissipation of Fuse Links Pn 11 W
Installation Mounting DIN rail acc. EN 60715
Product Width 119.9 mm
Product Length 93.5 mm
Product Height 149.4 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 0.303 kg
Sell Pack Width 119.9 mm
Sell Pack Length 150.1 mm
Sell Pack Height 100.1 mm
Product group Fuse Holders
Conventional Free Air thermal Current With Fuse-Links Ith 140 A
Product Weight 0.303 kg
HS Code 85361090
Country of Manufacture Tunisia
Poles 3-pole
Fuse Size 27x60 mm
Voltage 800 V

Frequently Asked Questions

What fuse size does the Mersen J320007 accept?

The J320007 is designed for 27 × 60 mm cylindrical fuse-links.

How many poles does the J320007 have?

This model is a 3-pole (US273) fuse holder designed for three-phase electrical systems.

Does the J320007 include a blown-fuse indicator?

No. The J320007 is the standard version supplied without a visual blown-fuse indicator. Indicator versions are available separately.

Can the J320007 be mounted on a DIN rail?

Yes. It is designed for convenient DIN rail installation in industrial electrical panels.

Is the J320007 finger safe?

Yes. The UltraSafe™ design provides IP20 finger-safe protection, including during fuse replacement.

Trusted Fuse Mounting Solutions from Mersen

Mersen UltraSafe™ modular fuse holders are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for safe fuse installation, dependable operation and long-term industrial reliability.

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