MERSEN FUSE A 070 URD 30 KI 0450 A070URD30KI0450

MERSEN FUSE A 070 URD 30 KI 0450 A070URD30KI0450

High-speed aR characteristic fuse with 450A rating, suitable for semiconductor protection in industrial applications. Features striker indication and slotted blade terminals for bolted mounting.

SKU: T301064Alt SKU: A070UD30KI450MPN: T301064
Price
List Price £149.02 ex VAT
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£149.02

Why Choose the Mersen T301064 Industrial Fuse?

The Mersen T301064 is an industrial electrical fuse intended to provide dependable overcurrent and short-circuit protection in compatible power, control and automation equipment. Manufactured by Mersen, this replacement component is suitable for electrical systems in which the exact T301064 manufacturer reference has been specified.

A correctly selected fuse protects an electrical circuit by interrupting excessive current before damaging levels of heat and electrical stress can affect conductors, switching devices or connected equipment. Its passive operating principle requires no auxiliary power, control signal or manual activation during a fault condition.

The Mersen T301064 is suitable for industrial maintenance, repair and OEM replacement requirements. Its rated current, voltage, utilisation category, breaking capacity, physical dimensions and terminal arrangement should be checked against the original fuse, equipment documentation or an authorised Mersen data source before installation.

Key Advantages

  • Genuine Mersen industrial circuit protection component.
  • Designed to provide overcurrent and short-circuit protection.
  • Helps limit damaging electrical, thermal and mechanical fault energy.
  • Passive operation requires no external control or auxiliary power.
  • Suitable for industrial maintenance, repair and replacement work.
  • Exact T301064 reference supports accurate component identification.

Key Features

  • Mersen manufacturer reference T301064.
  • Current-responsive fuse element for automatic circuit interruption.
  • Non-resettable protection device requiring replacement after operation.
  • Suitable for compatible industrial electrical assemblies.
  • Supports OEM servicing and preventative maintenance programmes.
  • Designed for straightforward identification during replacement work.
  • Suitable for power, control and automation equipment.
  • Manufactured by an established electrical protection specialist.

Reliable Protection for Industrial Electrical Systems

Overcurrents and short circuits can expose electrical equipment to excessive heat, high electromagnetic forces and potentially damaging fault energy. A correctly specified fuse responds by opening the affected circuit, helping prevent the fault from causing further damage to downstream components.

Correct fuse selection is essential for dependable system protection. Any replacement must satisfy the required current rating, voltage rating, operating characteristic, breaking capacity, physical size and connection arrangement. The T301064 should only be installed where this exact part number or a formally approved equivalent has been specified.

Typical Applications

  • Industrial electrical control panels.
  • Power distribution and conversion equipment.
  • Motor control and automation systems.
  • Manufacturing and processing machinery.
  • OEM electrical assemblies.
  • Replacement of an existing Mersen T301064 fuse.

Technical Specifications

Item number T301064
Catalogue No A070UD30KI450
Description Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades short
EAN/UPC Code 3605340336269
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 450 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 30
Mounting Bolted
Clearing I2t At Rated Voltage 165 kA²s
Melting I2t 26 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Slotted Blades
Product Width 40 mm
Product Length 129 mm
Product Height 48 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.873 kg
Sell Pack Width 133 mm
Sell Pack Length 157 mm
Sell Pack Height 54 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.291 kg
Power Dissipation at Rated Current Value 88 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen T301064 used for?

The Mersen T301064 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment and assemblies.

Can the T301064 be used as a direct replacement fuse?

It can be used where the equipment documentation specifies Mersen T301064. Its ratings, dimensions, operating class and connection arrangement must be verified before installation.

Can a differently rated fuse be substituted for the T301064?

A different fuse should only be used when it has been formally approved as compatible. The substitute must meet all required electrical, operating and dimensional specifications.

Can the Mersen T301064 be reset after it operates?

No. The T301064 is a non-resettable protection device and must be replaced after its fusible element has operated.

Who should install the Mersen T301064?

Installation should be completed by a suitably qualified electrical professional after the equipment has been safely isolated and the fuse specification has been confirmed.

Trusted Industrial Circuit Protection

Mersen fuse products are selected by electrical engineers, equipment manufacturers and maintenance professionals for circuit protection across industrial power, automation and control systems.

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