Do you need some help?

Call us now on: 01706 242050

MERSEN FUSE 12,5 URD 72 D11 A 0400 12,5URD72D11A0400

MPN: S300557

Alt. SKU: PC72UD13C400D1A

Special Price £110.11 £91.76 Regular Price £200.21

Please contact us for a delivery time
Call us now on 01706 242050

Need It Today?

Speak To Our Team

Speak to our experienced team to discuss options for getting your order to you today.

or

Call us now on: 01706 242050
  • Please ensure the items you would like are in stock
  • Please speak to our team before placing an order
  • Additional charges will apply
  • We cannot guarantee the availability of a courier

Found It Cheaper?

Please complete the form below or call us now on 01706 242050

MERSEN FUSE 12,5 URD 72 D11 A 0400 12,5URD72D11A0400 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 400A With Striker DIN 110 Blades PC72UD13C400D1A?

This high-speed Square Body Protistor® fuse is engineered for maximum protection of power semiconductor devices, supporting demanding industrial applications with a 400A rating, up to 1250VAC (IEC) and 1300VAC (UL) voltage. The integrated striker and DIN 110 blades enable reliable remote fuse status indication and straightforward panel integration, minimising downtime.

Robust construction ensures excellent current limiting performance and rapid fault response, safeguarding sensitive equipment against overloads and short circuits. Designed for compliance with international standards, this fuse is an optimal choice for reliability, safety, and ease of installation in modern power electronics systems.

Technical Specifications

  • Item number: S300557
  • Catalogue No: PC72UD13C400D1A
  • Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 400A With Striker DIN 110 Blades
  • EAN/UPC Code: 3605340330199
  • Rated voltage AC UL: 1300 V
  • Rated voltage AC IEC: 1250 V
  • Ampere Rating: 400 A
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 72
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 270 kA²s
  • Melting I2t: 32.8 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: 59 mm
  • Product Length: 133.4 mm
  • Product Height: 63 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 2.1099 kg
  • Sell Pack Width: 142 mm
  • Sell Pack Length: 194 mm
  • Sell Pack Height: 72 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.7033 kg
  • Power Dissipation at Rated Current Value: 80 W

Product Code: S300557

Key Benefits

  • High-speed protection for sensitive power semiconductor devices.
  • Reliable indication system with integrated striker for remote status monitoring.
  • Robust ceramic body ensures durability and safety under high fault conditions.
  • Compliance with IEC and UL standards for versatile international use.
  • Easy installation with DIN 110 blade terminals and bolted mounting.
  • Excellent current limiting performance reduces equipment damage during faults.

Compatibility

This fuse is compatible with industrial power electronics systems requiring a 400A aR fuse with high breaking capacity and voltage ratings up to 1300VAC UL and 1250VAC IEC. It integrates seamlessly with panels designed for DIN 110 blade connectors and bolted mounting configurations.

Applications

  • Protection of power semiconductor devices such as thyristors and diodes.
  • Industrial motor drives and inverters.
  • Renewable energy systems including solar inverters.
  • Power supplies and UPS systems.
  • High voltage AC industrial equipment requiring fast-acting fuses.

Frequently Asked Questions

What does the 'aR' speed characteristic mean?

The 'aR' characteristic indicates a high-speed fuse designed for semiconductor protection, capable of interrupting short-circuit currents quickly to protect sensitive devices.

Can this fuse be used in DC applications?

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

How does the striker indication system work?

The striker mechanism provides a physical indication of fuse operation and can be connected to remote monitoring systems for status alerts.

Is the fuse body made of ceramic?

Yes, the fuse body is constructed from ceramic material, providing excellent insulation and durability.

Common Search Terms

high-speed fuse, semiconductor protection fuse, 400A fuse, aR fuse, DIN 110 blade fuse, Protistor fuse, ceramic fuse, industrial power fuse, 1250VAC fuse, 1300VAC fuse, fuse with striker indication

More Information
Manufacturer Part Number S300557
Packed Quantity 3
Barcode 3605340330199
Height 133.4mm
Width 59mm
Depth 63mm
HS Code 85351000
Manufacturer Mersen
Alternative Product SKU PC72UD13C400D1A
Write Your Own Review
You're reviewing:MERSEN FUSE 12,5 URD 72 D11 A 0400 12,5URD72D11A0400