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MERSEN FUSE 12,5 URD 71 D11 A 0350 12,5URD71D11A0350

MPN: H300548

Alt. SKU: PC71UD13C350D1A

Special Price £90.68 £75.57 Regular Price £164.88

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MERSEN FUSE 12,5 URD 71 D11 A 0350 12,5URD71D11A0350 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 350A With Striker DIN 110 Blades PC71UD13C350D1A?

Engineered for demanding high-speed circuit protection, this Protistor® fuse offers reliable performance with 350A current handling and support for both 1250VAC (IEC) and 1300VAC (UL) ratings. Optimised for industrial power electronics and semiconductor safeguarding, it enables rapid interruption of short-circuit events to minimise equipment risk and system downtime.

The integrated striker facilitates remote fuse status indication, while robust DIN 110 blade terminations ensure secure, low-resistance connections. Compliance with IEC and UL standards assures suitability for global operations and high-integrity installations.

Product Code: H300548

Key Benefits

  • High-speed aR characteristic ensures rapid fault clearance to protect sensitive equipment.
  • Dual voltage ratings (1250VAC IEC and 1300VAC UL) for versatile international use.
  • Integrated striker provides clear, remote fuse status indication for easier maintenance.
  • Durable ceramic body and silver-plated copper DIN 110 blade terminals guarantee long service life and reliable connections.
  • Bolted mounting method ensures secure installation in demanding industrial environments.

Compatibility

This fuse is compatible with industrial power electronics systems requiring semiconductor protection, particularly those designed to IEC and UL standards. It fits fuse holders and switchgear designed for Size 71 fuses with DIN 110 blade connections, making it suitable for high-current AC applications up to 350A.

Applications

  • Protection of semiconductor devices such as thyristors and diodes in industrial drives.
  • High-speed circuit protection in power conversion and inverter systems.
  • Safeguarding electrical equipment in manufacturing plants and heavy industry.
  • Use in renewable energy systems requiring reliable fault interruption.
  • General industrial power distribution and control panels.

Technical Specifications

  • Item number: H300548
  • Catalogue No: PC71UD13C350D1A
  • Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 350A With Striker DIN 110 Blades
  • EAN/UPC Code: 3605340330069
  • Rated voltage AC UL: 1300 V
  • Rated voltage AC IEC: 1250 V
  • Ampere Rating: 350 A
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 71
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 178 kA²s
  • Melting I2t: 22 kA²s
  • 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: DIN 110 Blades
  • Product Width: 51 mm
  • Product Length: 133.4 mm
  • Product Height: 56.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.56 kg
  • Sell Pack Width: 142 mm
  • Sell Pack Length: 166 mm
  • Sell Pack Height: 62 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.52 kg
  • Power Dissipation at Rated Current Value: 80 W

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, allowing rapid interruption of short-circuit currents to protect sensitive devices.

Can this fuse be used in DC applications?

No, this particular fuse is rated for AC applications only, as indicated in the technical specifications.

What is the purpose of the striker in this fuse?

The striker provides a mechanical indication of fuse operation, allowing remote signalling of fuse status for easier maintenance and fault detection.

Is this fuse compatible with standard DIN 110 blade holders?

Yes, it features DIN 110 blade terminals designed for secure connection with compatible fuse holders and switchgear.

Common Search Terms

high-speed fuse, semiconductor protection fuse, Protistor fuse, Size 71 fuse, 350A fuse, aR fuse, 1250VAC fuse, 1300VAC fuse, striker fuse, DIN 110 blade fuse, industrial fuse, bolted mount fuse

More Information
Manufacturer Part Number H300548
Packed Quantity 3
Barcode 3605340330069
Height 133.4mm
Width 51mm
Depth 56.5mm
HS Code 85351000
Manufacturer Mersen
Alternative Product SKU PC71UD13C350D1A
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