The Mersen T300604 is an industrial electrical fuse designed to provide dependable overcurrent and short-circuit protection in compatible power, control and automation equipment. Manufactured by Mersen, a specialist in electrical safety and circuit protection, this fuse is suitable for installations where reliable fault interruption is essential.
When excessive current flows through an electrical circuit, the fuse element operates to disconnect the affected circuit. This helps limit fault energy and reduces the risk of damage to cables, power components, control equipment and surrounding electrical assemblies.
The Mersen T300604 is suitable for maintenance, repair and OEM replacement applications where this exact manufacturer reference is specified. Its current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal configuration should always be confirmed against the original fuse or the equipment manufacturer’s documentation before installation.
Application: Maintenance, repair and OEM replacement
Current rating: Confirm from the product label or manufacturer documentation
Voltage rating: Confirm from the product label or manufacturer documentation
Fuse utilisation category: Confirm before installation
Breaking capacity: Confirm before installation
Terminal configuration: Confirm against the original component
Dimensions: Confirm before installation
Reliable Protection for Industrial Electrical Equipment
Overcurrents and short circuits can generate significant heat and mechanical stress within electrical equipment. A correctly specified fuse responds by opening the circuit and restricting the amount of fault energy that reaches downstream components.
For dependable operation, a replacement fuse must match the required current, voltage, breaking capacity, operating characteristic, physical dimensions and terminal arrangement. The T300604 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.
Production machinery and process equipment.
OEM electrical assemblies.
Maintenance and replacement of an existing Mersen T300604 fuse.
Technical Specifications
Item number
T300604
Catalogue No
PC70UD13C160EF
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 160A With Striker Open Slot Blades
EAN/UPC Code
3605340330892
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
160 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
70
Mounting
Bolted
Clearing I2t At Rated Voltage
21000 A²s
Melting I2t
2570 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Open Slot Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.074 kg
Sell Pack Width
127 mm
Sell Pack Length
137 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.358 kg
Power Dissipation at Rated Current Value
45 W
HS Code
85351000
Frequently Asked Questions
What is the Mersen T300604 used for?
The Mersen T300604 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment and assemblies.
Can the T300604 be used as a direct replacement fuse?
It can be used where the equipment manufacturer specifies Mersen T300604. The electrical ratings, dimensions and connection arrangement should be checked before installation.
Can a fuse with a different rating be substituted?
A different fuse should not be substituted unless it has been formally confirmed as compatible. The current rating, voltage rating, utilisation category, breaking capacity and physical format must meet the equipment requirements.
Can the Mersen T300604 be reset after operation?
No. The T300604 is a non-resettable protection component and must be replaced after its fuse element has operated.
Who should install the Mersen T300604?
Installation should be carried out by a suitably qualified electrical professional after the equipment has been safely isolated and the required fuse specification has been verified.
Trusted Industrial Circuit Protection
Mersen fuse products are used by electrical engineers, OEMs and maintenance professionals to support dependable circuit protection across industrial power, automation and control applications.
Item number
T300604
Catalogue No
PC70UD13C160EF
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 160A With Striker Open Slot Blades
EAN/UPC Code
3605340330892
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
160 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
70
Mounting
Bolted
Clearing I2t At Rated Voltage
21000 A²s
Melting I2t
2570 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Open Slot Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.074 kg
Sell Pack Width
127 mm
Sell Pack Length
137 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.358 kg
Power Dissipation at Rated Current Value
45 W
HS Code
85351000
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...