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MERSEN FUSE 12,5 URD 70 EF 0063 PC70UD13C63EF
High-speed fuse designed for semiconductor protection in industrial power applications with a robust ceramic body, integrated striker, and open slot blades for bolted mounting.
£72.40
Why Choose the Mersen P300600 Protistor® High-Speed Fuse?
The Mersen P300600 is a premium Protistor® Size 70 high-speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic equipment. Designed for demanding industrial applications, it protects diodes, thyristors, GTOs and IGBTs against damaging short-circuit and overcurrent conditions while helping maximise system reliability and minimise costly downtime.
Part of the advanced Mersen Protistor® Size 70 series, the P300600 features a square ceramic body with open slot blade terminals and an integrated striker indicator. It is manufactured using pure silver fuse elements embedded in solidified sand to deliver exceptionally low let-through energy and high interrupting performance for modern power conversion equipment.
Rated at 63 A with a 1250 V AC (IEC) / 1300 V AC (UL) voltage rating, the P300600 is ideal for industrial drives, converters, UPS systems, renewable energy installations and other high-performance semiconductor protection applications.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 63 A current rating for industrial power electronics.
- 1250 V AC IEC / 1300 V AC UL voltage rating.
- Protects diodes, thyristors, GTOs and IGBTs.
- 126 kA AC breaking capacity.
- Integrated striker indicator for simplified maintenance.
Key Features
- Mersen Protistor® Size 70 series.
- Catalogue number: PC70UD13C63EF.
- 63 A rated current.
- 1250 V AC IEC / 1300 V AC UL operating voltage.
- aR ultra-fast semiconductor protection characteristic.
- Open slot blade terminals (EF style).
- Integrated striker indicator.
- Silver-plated contacts with square ceramic body construction.
Reliable Protection for Power Electronics
The Mersen P300600 has been specifically developed for modern power conversion equipment where semiconductor devices require rapid fault clearance. Its low I²t performance helps minimise thermal stress during fault conditions, reducing the risk of expensive component damage and improving overall equipment availability.
Suitable for OEM installations and maintenance replacements, the P300600 provides dependable protection in demanding industrial environments where high-speed semiconductor protection is essential.
Typical Applications
- Variable speed drives (VSDs).
- Industrial power converters.
- Renewable energy inverter systems.
- Uninterruptible power supplies (UPS).
- Motor drives and soft starters.
- Industrial automation and power distribution equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | P300600 | |
| Catalogue No | PC70UD13C63EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 63A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340330854 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 63 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1680 A²s | |
| Melting I2t | 210 A²s | |
| 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 | Open Slot Blades | |
| Product Width | 39.8 mm | |
| Product Length | 123.4 mm | |
| Product Height | 49.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.074 kg | |
| Sell Pack Width | 127 mm | |
| Sell Pack Length | 137 mm | |
| Sell Pack Height | 65 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.358 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen P300600 used for?
The P300600 is an ultra-fast semiconductor fuse designed to protect diodes, thyristors, GTOs and IGBTs from short-circuit and overcurrent faults.
What is the current rating of the P300600?
The Mersen P300600 has a continuous current rating of 63 A.
What voltage is the P300600 rated for?
The fuse is rated at 1250 V AC (IEC) and 1300 V AC (UL).
Does the P300600 include a striker indicator?
Yes. It incorporates an integrated striker indicator that can be used with a compatible microswitch for remote indication and maintenance monitoring.
Which applications commonly use this fuse?
The P300600 is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power conversion systems.
Trusted by Power Electronics Professionals Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs, electrical engineers and industrial maintenance teams worldwide for reliable protection of high-value power electronic equipment.
