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MERSEN FUSE 12,5 URD 272 TTF 1100 PC272UD13C11CTF
High-speed Protistor® fuse delivering reliable protection for sensitive power electronics operating at up to 1250VAC and 1100A, with striker flush ends, metric threads, and Omega connection.
£263.57
Why Choose the Mersen B300726 High-Speed Semiconductor Fuse?
The Mersen B300726 is a premium square body high-speed semiconductor fuse engineered to provide maximum protection for modern power conversion equipment. Part of the trusted Mersen Protistor® Size 2x72 series, this fuse is specifically designed to protect sensitive semiconductor devices including IGBTs, thyristors and power diodes operating in demanding industrial applications.
Designed with an ultra-fast aR operating characteristic, the B300726 rapidly interrupts short-circuit currents before excessive energy can damage valuable semiconductor components. Its solidified sand construction, silver-plated contact surfaces, non-magnetic hardware and integrated striker indicator deliver reliable protection and long operational life.
With a 1100 A rated current and a 1250 V AC IEC voltage rating, the Mersen B300726 is ideally suited for protecting high-power drives, converters, UPS systems, renewable energy equipment and industrial power conversion systems requiring dependable semiconductor protection.
Key Advantages
- High-speed aR semiconductor protection fuse for industrial power electronics.
- 1100 A current rating for high-power applications.
- 1250 V AC IEC rated voltage.
- Ultra-fast fault interruption reduces damaging energy let-through.
- Integrated striker indicator for remote fuse indication.
- Silver-plated contacts ensure excellent conductivity and durability.
Key Features
- Mersen Protistor® Size 2x72 series.
- Catalogue Number: PC272UD13C11CTF.
- 1100 A rated current.
- 1250 V AC IEC rated voltage.
- aR ultra-fast operating characteristic.
- Square body Size 2x72 construction.
- Flush end metric threaded terminals with Omega connection.
- Integrated striker indicator for status monitoring.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are designed to interrupt fault currents before they can damage expensive semiconductor devices. Their low let-through energy improves equipment reliability, reduces maintenance costs and extends the service life of industrial power conversion equipment.
The Mersen Protistor® Size 2x72 range provides dependable protection for inverters, motor drives, UPS systems and similar industrial equipment. Its advanced construction delivers superior cycling capability together with reliable short-circuit protection for today's high-power semiconductor applications.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS and backup power systems.
- Renewable energy equipment.
- Industrial semiconductor protection.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 2x72 mm | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | B300726 | |
| Catalogue No | PC272UD13C11CTF | |
| Description | Square Body High-Speed Fuse Protistor® Size 2x72 aR 1250VAC IEC 1100A With Striker Flush ends metric threads With Omega connection | |
| EAN/UPC Code | 3605340332711 | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 1100 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 2x72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2185 kA²s | |
| Melting I2t | 272 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 100 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 138.5 mm | |
| Product Length | 91 mm | |
| Product Height | 65.5 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.698 kg | |
| Sell Pack Width | 90 mm | |
| Sell Pack Length | 205 mm | |
| Sell Pack Height | 95 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.698 kg | |
| Power Dissipation at Rated Current Value | 231 W | |
| HS Code | 85351000 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen B300726 used for?
The B300726 protects semiconductor devices including IGBTs, thyristors and power diodes from damaging short-circuit currents in industrial power conversion equipment.
What is the current rating of this fuse?
This fuse has a 1100 A rated current.
What voltage is the B300726 rated for?
It is rated for 1250 V AC (IEC).
What terminal style does this fuse use?
The fuse features flush end metric threaded terminals with an Omega connection together with an integrated striker indicator.
Where is this fuse typically installed?
It is commonly installed in industrial drives, converters, UPS systems, renewable energy installations and other semiconductor-based power conversion equipment.
Trusted by Power Electronics Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide to provide dependable ultra-fast protection for valuable power electronic equipment operating in demanding industrial environments.
