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MERSEN FUSE A050 URD 001.2 T13 I A050URD001.2T13I

MERSEN FUSE A050 URD 001.2 T13 I A050URD001.2T13I

High-speed cylindrical fuse with integrated striker for remote indication, rated 1.25A at 500VAC, designed for semiconductor protection and industrial power electronics.

SKU: H076597Alt SKU: A050URD1.2T13IMPN: H076597
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List Price £29.12 ex VAT
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Why Choose the Mersen H076597 Protistor® High-Speed Semiconductor Fuse?

The Mersen H076597 (Catalogue Number A050URD1.2T13I) is a premium Protistor® high-speed semiconductor protection fuse with striker, designed to provide exceptionally fast short-circuit protection for sensitive power electronic devices. Manufactured to comply with IEC 60269-1 and IEC 60269-4, this aR characteristic fuse delivers rapid fault clearance with minimal let-through energy, helping to maximise the lifespan of valuable semiconductor components.

Part of Mersen's proven 10 × 38 mm Protistor® series, the H076597 is ideally suited for protecting IGBTs, thyristors, SCRs, diodes and rectifiers used in industrial automation, motor drives, UPS systems, converters and power supplies. The integrated striker indicator provides mechanical blown-fuse indication and supports compatible remote signalling accessories.

Featuring a 1.25 A current rating, 500 V AC IEC rating and an extremely high 50 kA breaking capacity, the H076597 delivers reliable semiconductor protection in demanding industrial applications.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse.
  • 1.25 A rated current.
  • 500 V AC IEC rated voltage.
  • Integrated striker indicator for blown fuse indication.
  • 50 kA breaking capacity.
  • Compact 10 × 38 mm cylindrical design.
  • Low let-through energy protects sensitive semiconductors.
  • RoHS compliant.

Key Features

  • Mersen Protistor® semiconductor protection fuse.
  • Model: H076597.
  • Catalogue number: A050URD1.2T13I.
  • Rated current: 1.25 A.
  • Rated voltage: 500 V AC IEC.
  • aR ultra-fast operating characteristic.
  • Integrated striker indication.
  • 10 × 38 mm cylindrical body.
  • Current-limiting construction.

Designed for Sensitive Semiconductor Protection

The Protistor® 10 × 38 mm range has been developed specifically to protect semiconductor devices against damaging short-circuit currents. Its extremely fast response minimises thermal and electrical stress on power electronics, improving equipment reliability and reducing maintenance costs.

The integrated striker enables fast visual indication and can operate compatible signalling devices, allowing maintenance personnel to quickly identify and replace an operated fuse.

Typical Applications

  • Variable speed drives.
  • Industrial inverters.
  • UPS systems.
  • Power converters.
  • Semiconductor power supplies.
  • Motor control equipment.
  • Industrial automation systems.
  • OEM electrical equipment.

Technical Specifications

Item number H076597
Catalogue No A050URD1.2T13I
Description High-Speed Cylindrical Fuse Protistor® Size 10x38 aR 500VAC IEC 1.25A With Striker
EAN/UPC Code 3605340019025
Rated voltage AC IEC 500 V
Ampere Rating 1.25 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 10x38
Mounting Clip
Clearing I2t At Rated Voltage 1.7 A²s
Melting I2t 0.13 A²s
AC Max I.R./Breaking Capacity I1: 50 kA
Design Details URD
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Ferrule
Product Diameter 10.3 mm
Product Length 39.2 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.092 kg
Sell Pack Width 54 mm
Sell Pack Length 80 mm
Sell Pack Height 12 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.0092 kg
Power Dissipation at Rated Current Value 0.91 W
HS Code 85361010
Fuse Type Semiconductor
Fuse Size 10x38 mm
Fuse Class aR
Voltage 500 V

Frequently Asked Questions

What is the Mersen H076597 used for?

It is a high-speed semiconductor protection fuse designed to protect IGBTs, SCRs, thyristors, rectifiers and other semiconductor devices against short-circuit faults.

What is the current rating?

The Mersen H076597 has a rated current of 1.25 A.

What voltage is the fuse rated for?

The fuse is rated for 500 V AC in accordance with IEC standards.

What does the striker indicator do?

The integrated striker provides mechanical blown-fuse indication and can operate compatible auxiliary signalling devices for remote monitoring.

Where is this fuse commonly installed?

It is widely used in motor drives, UPS systems, industrial inverters, converters and other power electronic equipment requiring high-speed semiconductor protection.

Trusted for Semiconductor Protection Worldwide

Mersen Protistor® semiconductor fuses are trusted by electrical engineers, panel builders and OEMs worldwide for their exceptional fault interruption capability, low let-through energy and dependable protection of critical power electronic equipment.

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