MERSEN FUSE 10 URD 73 TT F 1000 PC73UD10C1000TF

Protistor® high-speed fuse with aR characteristic, rated 1000A at 1000VAC IEC and 1100VAC UL, featuring striker indication and flush end silver-plated brass terminals with metric threads.

SKU: V300513Alt SKU: PC73UD10C1000TFMPN: V300513

List Price £321.41 ex VAT

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Why Choose the Mersen V300513 PC73UD10C1000TF High-Speed Fuse?

The Mersen V300513 (PC73UD10C1000TF) is a genuine Protistor® Size 73 ultra-fast square body semiconductor fuse engineered to protect high-power semiconductor devices in demanding industrial power conversion applications. Rated at 1000A, 1000VAC (IEC) and 1100VAC (UL), it provides rapid short-circuit protection with an aR operating characteristic specifically developed for sensitive semiconductor equipment.

Designed for modern power electronics, the V300513 features a robust ceramic square body with flush-end metric threaded terminals and an integrated striker indicator for fast fuse status indication. Its low let-through energy (I²t), high interrupting capability and silver-plated contact surfaces help minimise damage during fault conditions while maximising equipment reliability.

Manufactured by Mersen, the global leader in electrical protection technology, the V300513 complies with major international IEC, UL and CSA standards, making it suitable for industrial installations worldwide.

Key Advantages

Genuine Mersen Protistor® semiconductor protection fuse.
Ultra-fast aR characteristic for semiconductor protection.
1000A current rating.
1000VAC IEC / 1100VAC UL voltage rating.
Integrated striker indicator for fuse operation indication.
Square body Size 73 design with flush-end metric threaded terminals.
Low I²t reduces stress on semiconductor devices.
High interrupting capacity for demanding industrial applications.

Key Features

Manufacturer: Mersen
Part number: V300513
Catalogue number: PC73UD10C1000TF
Fuse series: Protistor® Size 73
Fuse characteristic: aR ultra-fast semiconductor protection
Current rating: 1000A
Rated voltage (IEC): 1000VAC
Rated voltage (UL): 1100VAC
Terminal style: Flush ends with metric threaded connections
Indication system: Integrated striker
Suitable for: Protection of IGBTs, thyristors, diodes and other semiconductor devices.

Designed for High-Power Semiconductor Protection

The Protistor® Size 73 range has been developed to provide advanced protection for high-power semiconductor devices used in converters, drives and industrial power systems. The V300513 rapidly clears short-circuit faults, helping to minimise thermal and electrical stress on valuable electronic components.

Its ceramic construction, silver-plated contact surfaces and high interrupting capability make it suitable for demanding industrial environments where dependable semiconductor protection is critical to equipment uptime.

Typical Applications

Variable speed drives.
Industrial inverters.
Power converters.
UPS systems.
Soft starters.
Renewable energy converters.
Industrial motor drives.
Semiconductor protection circuits.

Technical Specifications

Item number	V300513
Catalogue No	PC73UD10C1000TF
Description	Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 1000A With Striker Flush ends metric threads
EAN/UPC Code	3605340329629
Rated voltage AC UL	1100 V
Rated voltage AC IEC	1000 V
Ampere Rating	1000 A
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	73
Mounting	Bolted
Clearing I2t At Rated Voltage	2130 kA²s
Melting I2t	370 kA²s
AC Max I.R./Breaking Capacity	I1: 167 kA
Indication System	Yes
Indication System Type	Striker
Connection/Terminal Material	Silver-Plated Brass
Connection/Terminal Type	Flush ends
Product Width	73 mm
Product Length	74 mm
Product Height	78.5 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	1.22 kg
Sell Pack Width	110 mm
Sell Pack Length	125 mm
Sell Pack Height	75 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	1.22 kg
Power Dissipation at Rated Current Value	152 W
HS Code	85361090
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	1000 V

Frequently Asked Questions

What is the Mersen V300513?

The Mersen V300513 (PC73UD10C1000TF) is a Protistor® Size 73 ultra-fast square body semiconductor fuse rated at 1000A for industrial power conversion equipment.

What does the aR fuse characteristic mean?

An aR fuse is designed specifically for semiconductor protection, providing extremely rapid short-circuit protection while allowing normal operating currents to pass.

Which equipment is this fuse designed to protect?

It is designed to protect semiconductor devices such as IGBTs, thyristors, diodes and similar components used in industrial power electronic equipment.

Does the fuse include an operation indicator?

Yes. The V300513 incorporates an integrated striker indicator that can operate a field-mountable microswitch where required.

Where is the V300513 commonly used?

Typical applications include industrial drives, converters, UPS systems, renewable energy equipment and other high-power semiconductor protection applications.

Trusted Semiconductor Protection

Mersen Protistor® high-speed fuses are widely specified for protecting power semiconductor devices used in industrial automation, renewable energy, transportation and heavy-duty power conversion systems.

Item number	V300513
Catalogue No	PC73UD10C1000TF
Description	Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 1000A With Striker Flush ends metric threads
EAN/UPC Code	3605340329629
Rated voltage AC UL	1100 V
Rated voltage AC IEC	1000 V
Ampere Rating	1000 A
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	73
Mounting	Bolted
Clearing I2t At Rated Voltage	2130 kA²s
Melting I2t	370 kA²s
AC Max I.R./Breaking Capacity	I1: 167 kA
Indication System	Yes
Indication System Type	Striker
Connection/Terminal Material	Silver-Plated Brass
Connection/Terminal Type	Flush ends
Product Width	73 mm
Product Length	74 mm
Product Height	78.5 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	1.22 kg
Sell Pack Width	110 mm
Sell Pack Length	125 mm
Sell Pack Height	75 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	1.22 kg
Power Dissipation at Rated Current Value	152 W
HS Code	85361090
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	1000 V

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