MERSEN FUSE US 273I M226423

Q: What fuse size is compatible with this holder?

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

Q: What voltage is the M226423 rated for?

The fuse holder is rated for up to 800 V AC and 800 V DC under both IEC and UL standards.

The UltraSafe™ US273I fuse holder provides secure and reliable protection for both AC and DC circuits up to 800V, accommodating standard 27×60 mm fuses with a robust 3-pole design and visual indicator.

SKU: M226423Alt SKU: US273IMPN: M226423

List Price £269.29 ex VAT

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£269.29

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Manufacturer Lead Time

£269.29

Why Choose the Mersen M226423 UltraSafe™ Modular Fuse Holder?

The Mersen M226423 is a premium three-pole modular fuse holder engineered for the safe installation of 27 × 60 mm cylindrical fuse links. Also identified by catalogue number US273I, it forms part of the renowned Mersen Modulostar® CMS27 UltraSafe™ series, delivering dependable circuit protection, finger-safe operation and simplified maintenance for industrial electrical installations.

Designed for demanding industrial environments, the M226423 features an integrated visual blown fuse indicator, IP20 finger-safe protection and Faston lug terminals for secure electrical connections. Its durable thermoplastic construction offers excellent mechanical strength and long service life while supporting high-voltage AC and DC applications.

Rated at 140 A with voltage ratings of up to 800 V AC / 800 V DC, the M226423 provides a reliable solution for panel builders, OEMs and industrial maintenance engineers requiring safe, modular fuse protection across three phases.

Key Advantages

Heavy-duty three-pole modular fuse holder.
Designed for 27 × 60 mm cylindrical fuse links.
800 V AC / 800 V DC IEC and UL rated.
140 A conventional thermal current.
Integrated visual blown fuse indicator.
IP20 finger-safe construction improves operator safety.

Key Features

Mersen Modulostar® CMS27 UltraSafe™ series.
Catalogue number US273I.
Three-pole configuration.
Compatible with 27 × 60 mm cylindrical fuse links.
Visual blown fuse indication.
Faston lug terminals.
IP20 finger-safe protection.
Suitable for DIN rail mounting.
Field-expandable using Mersen pole assembly kits.
Compatible with optional auxiliary microswitches.

Safe Three-Phase Fuse Protection

The Mersen M226423 provides secure mounting for three 27 × 60 mm cylindrical fuse links while ensuring safe fuse replacement through its finger-safe IP20 design. The integrated visual indicator allows maintenance personnel to identify an operated fuse quickly, reducing diagnostic time and minimising equipment downtime.

As part of the Modulostar® UltraSafe™ range, the M226423 is designed for industrial switchgear, control panels and OEM machinery where dependable multi-phase circuit protection and straightforward maintenance are essential.

Typical Applications

Industrial control panels.
Three-phase power distribution systems.
Variable frequency drives.
Motor control centres.
Renewable energy installations.
OEM machinery and automation equipment.

Technical Specifications

Phase	Three Phase
Item number	M226423
Catalogue No	US273I
Description	Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Visual Indicator Faston Lugs IP20
EAN/UPC Code	3605340269062
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
Indication System	Yes
Indication System Type	Visual Indicator
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	154.9 mm
Sell Pack Length	165.1 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 is the Mersen M226423 used for?

The M226423 is a three-pole modular fuse holder designed to safely install and support 27 × 60 mm cylindrical fuse links in industrial electrical systems.

What fuse size is compatible with this holder?

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

What voltage is the M226423 rated for?

The fuse holder is rated for up to 800 V AC and 800 V DC under both IEC and UL standards.

Does the M226423 include a blown fuse indicator?

Yes. It incorporates a visual indicator that provides quick identification when a fuse has operated.

Can the M226423 be used in three-phase installations?

Yes. Its three-pole configuration makes it ideal for protecting three-phase industrial circuits and equipment.

Trusted by Electrical Professionals Worldwide

Mersen Modulostar® UltraSafe™ fuse holders are trusted by electrical engineers and panel builders worldwide for delivering safe fuse installation, reliable electrical performance and long-term durability in demanding industrial environments.

Phase	Three Phase
Item number	M226423
Catalogue No	US273I
Description	Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Visual Indicator Faston Lugs IP20
EAN/UPC Code	3605340269062
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
Indication System	Yes
Indication System Type	Visual Indicator
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	154.9 mm
Sell Pack Length	165.1 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

UK delivery

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