MERSEN FUSE US 273 J320007

Q: What fuse size does the Mersen J320007 accept?

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

Q: How many poles does the J320007 have?

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

Q: 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.

Q: Is the J320007 finger safe?

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

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

List Price £250.51 ex VAT

Your Price (ex VAT) Save 40%

£150.31 40% OFF

You save £100.20 per unit

Manufacturer Lead Time Please contact us for a delivery time before you order

Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup

Quantity:

SUBTOTAL (EX VAT) £150.31

Trade pricing is personalised to your account

Manufacturer Lead Time

£150.31

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

Tick the specs you need, then view products that match.

Phase	Three Phase
Poles	3-pole
Fuse Size	27x60 mm
Voltage	800 V
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

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.

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

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

LED Controls showroom with electrical products on display

Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.