MERSEN FUSE A065 URD 33 TTI 1800 A065URD33TTI1800

MERSEN FUSE A065 URD 33 TTI 1800 A065URD33TTI1800

High-speed fuse engineered for reliable protection of power semiconductors with 1800A rating, compatible with IEC 600VAC and UL 650VAC standards, featuring striker flush ends and UNC threads.

SKU: T301087Alt SKU: A065UD33TTI1800MPN: T301087
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List Price £382.93 ex VAT
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Why Choose the Mersen T301087 Industrial Fuse?

The Mersen T301087 is an industrial electrical fuse designed to provide dependable overcurrent and short-circuit protection within compatible power, control and automation equipment. Manufactured by Mersen, a recognised specialist in electrical protection, this component is suitable for installations where reliable fault interruption is required to protect valuable electrical equipment.

During an overload or short-circuit condition, the fuse element responds to excessive current by opening the affected circuit. This helps restrict the electrical, thermal and mechanical energy generated by the fault, reducing the risk of damage to conductors, switching devices, control components and connected equipment.

The Mersen T301087 is suitable for industrial maintenance, repair and OEM replacement applications where this exact manufacturer reference has been specified. Before installation, its current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal configuration should be verified using the product markings or approved Mersen documentation.

Key Advantages

  • Genuine Mersen industrial circuit protection component.
  • Designed for dependable overcurrent and short-circuit protection.
  • Helps limit damaging electrical, thermal and mechanical fault energy.
  • Passive protection device requiring no external operating power.
  • Suitable for industrial maintenance, repair and replacement applications.
  • Exact manufacturer reference supports accurate product identification.

Key Features

  • Mersen manufacturer reference T301087.
  • Current-responsive fuse element for automatic circuit interruption.
  • Non-resettable protection device requiring replacement after operation.
  • Suitable for compatible industrial electrical assemblies.
  • Supports OEM equipment servicing and preventative maintenance.
  • 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, electromagnetic forces and 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 safe and dependable system operation. Any replacement must satisfy the required current rating, voltage rating, operating characteristic, breaking capacity, physical size and connection arrangement. The T301087 should only be installed where this exact reference 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 T301087 fuse.

Technical Specifications

Item number T301087
Catalogue No A065UD33TTI1800
Description Square Body High-Speed Fuse Protistor® Size 33 aR 600VAC IEC 650VAC UL 1800A With Striker Flush ends UNC threads
EAN/UPC Code 3605340336665
Rated voltage AC UL 650 V
Rated voltage AC IEC 600 V
Ampere Rating 1800 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 33
Mounting Bolted
Clearing I2t At Rated Voltage 3870 kA²s
Melting I2t 720 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Design Details Reinforced Terminal
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Brass
Connection/Terminal Type Flush ends
Product Width 73 mm
Product Length 50.6 mm
Product Height 78.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 2.682 kg
Sell Pack Width 86 mm
Sell Pack Length 247 mm
Sell Pack Height 94 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.894 kg
Power Dissipation at Rated Current Value 225 W
HS Code 85361090
Fuse Type Semiconductor
Fuse Class aR
Voltage 600 V

Frequently Asked Questions

What is the Mersen T301087 used for?

The Mersen T301087 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment and assemblies.

Can the T301087 be used as a direct replacement fuse?

It can be used where the equipment documentation specifies Mersen T301087. Its ratings, dimensions, operating class and terminal arrangement must be verified before installation.

Can a differently rated fuse replace the T301087?

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 T301087 be reset after operation?

No. The T301087 is a non-resettable protection device and must be replaced after its fusible element has operated.

Who should install the Mersen T301087?

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

Trusted Industrial Circuit Protection

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

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