MERSEN FUSE A 130 URD 70 TTI 0315 A130URD70TTI0315

High-speed aR fuse designed for semiconductor protection rated at 315A, 1200VAC IEC and 1300VAC UL, featuring a ceramic body, striker indication system, and flush UNC-threaded ends for bolted mounting.

SKU: Z301023Alt SKU: A130UD70TTI315MPN: Z301023

List Price £131.16 ex VAT

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Why Choose the Mersen Z301023 Industrial Fuse Component?

The Mersen Z301023 is a specialist industrial fuse and electrical protection component intended for use with compatible power distribution, control and power conversion equipment. Manufactured by Mersen, it provides a traceable replacement option for engineers, OEM manufacturers and maintenance professionals working with systems that specify the Z301023 manufacturer reference.

Correct fuse selection is essential for protecting valuable electrical equipment against excessive current and short-circuit conditions. Using the specified Mersen component helps preserve the intended electrical protection characteristics of the installation while supporting dependable performance in demanding industrial environments.

The Z301023 part number supports accurate identification during procurement, servicing and spare-parts management. Before installation, the rated current, rated voltage, fuse class, breaking capacity, terminal arrangement and physical dimensions should be verified against the existing component and the relevant Mersen technical documentation.

Key Advantages

Genuine Mersen industrial electrical protection component.
Clearly identified by manufacturer reference Z301023.
Suitable for compatible industrial power and control equipment.
Supports protection against excessive current and short circuits.
Useful for preventative maintenance and critical spare-parts inventories.
Helps simplify component identification, purchasing and stock control.

Key Features

Mersen branded fuse component.
Manufacturer part number: Z301023.
Designed for professional electrical protection applications.
Suitable for compatible Mersen fuse assemblies and industrial equipment.
Supports maintenance, repair and replacement requirements.
Traceable manufacturer reference for accurate procurement.
Suitable for industrial, commercial and OEM installations.
Technical verification and professional installation recommended.

Dependable Protection for Industrial Electrical Systems

Industrial fuses are designed to disconnect a circuit when fault current exceeds an acceptable level. Rapid and reliable interruption can help prevent damage to cables, drives, power supplies, semiconductor devices and other connected electrical equipment.

The Mersen Z301023 provides a clearly identifiable replacement reference for compatible installations. As visually similar fuses may have different electrical characteristics, every rating and dimensional requirement should be checked before the component is ordered or fitted.

Typical Applications

Industrial electrical protection systems.
Power distribution and switchgear equipment.
Motor control and variable speed drive systems.
Industrial converters, rectifiers and power supplies.
Automation machinery and electrical control panels.
OEM maintenance and replacement-parts inventories.

Technical Specifications

Item number	Z301023
Catalogue No	A130UD70TTI315
Description	Square Body High-Speed Fuse Protistor® Size 70 aR 1200VAC IEC 1300VAC UL 315A With Striker Flush ends UNC threads
EAN/UPC Code	3605340335576
Rated voltage AC UL	1300 V
Rated voltage AC IEC	1200 V
Ampere Rating	315 A
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	70
Mounting	Bolted
Clearing I2t At Rated Voltage	149000 A²s
Melting I2t	20000 A²s
AC Max I.R./Breaking Capacity	I1: 150 kA
Indication System	Yes
Indication System Type	Striker
Connection/Terminal Material	Silver-Plated Brass
Connection/Terminal Type	Flush ends
Product Width	39.8 mm
Product Length	74 mm
Product Height	49.5 mm
Sell Pack Quantity	3 EA
Sell Pack Weight	1.05 kg
Sell Pack Width	85 mm
Sell Pack Length	135 mm
Sell Pack Height	550 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	0.35 kg
Power Dissipation at Rated Current Value	66 W
HS Code	85351000
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	1200 V

Frequently Asked Questions

What is the Mersen Z301023?

The Mersen Z301023 is an industrial fuse and electrical protection component identified by the manufacturer part number Z301023 for use with compatible equipment.

How can I confirm that the Z301023 is suitable for my equipment?

Compare the complete part number, electrical ratings, physical dimensions and terminal arrangement with the existing component and the relevant equipment documentation.

Why must the fuse specifications match the circuit?

The current rating, voltage rating, fuse characteristic and breaking capacity must be appropriate for the circuit to provide safe and effective electrical protection.

Who should install the Mersen Z301023?

The component should be installed by a suitably qualified electrical engineer or maintenance technician following appropriate isolation, testing and electrical safety procedures.

Where is the Mersen Z301023 typically used?

It may be used in compatible industrial control panels, power distribution systems, power conversion equipment, machinery and other professional electrical installations.

Trusted by Industrial Electrical Professionals

Mersen electrical protection components are selected by engineers, OEM manufacturers and maintenance professionals to support dependable circuit protection and reliable industrial equipment operation.

Item number	Z301023
Catalogue No	A130UD70TTI315
Description	Square Body High-Speed Fuse Protistor® Size 70 aR 1200VAC IEC 1300VAC UL 315A With Striker Flush ends UNC threads
EAN/UPC Code	3605340335576
Rated voltage AC UL	1300 V
Rated voltage AC IEC	1200 V
Ampere Rating	315 A
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	70
Mounting	Bolted
Clearing I2t At Rated Voltage	149000 A²s
Melting I2t	20000 A²s
AC Max I.R./Breaking Capacity	I1: 150 kA
Indication System	Yes
Indication System Type	Striker
Connection/Terminal Material	Silver-Plated Brass
Connection/Terminal Type	Flush ends
Product Width	39.8 mm
Product Length	74 mm
Product Height	49.5 mm
Sell Pack Quantity	3 EA
Sell Pack Weight	1.05 kg
Sell Pack Width	85 mm
Sell Pack Length	135 mm
Sell Pack Height	550 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	0.35 kg
Power Dissipation at Rated Current Value	66 W
HS Code	85351000
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	1200 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.

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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.

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3500 +

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28 Trusted Manfacturers

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