The PC70UD13C100TF offers dependable protection for power semiconductors, rated at 100A with 1250VAC (IEC) and 1300VAC (UL) operation. Its square-body, size 70 design ensures efficient thermal and electrical performance in high-speed circuit protection applications.
£104.27
The Mersen P300485 is a specialist high-speed semiconductor protection fuse intended for use in demanding industrial power-electronic equipment. As part of Mersen’s established Protistor® product range, it is designed to protect sensitive semiconductor components against damaging short-circuit and overcurrent conditions.
High-speed semiconductor fuses operate rapidly to limit the thermal and electrical energy transferred to connected equipment during a fault. This makes the P300485 suitable for protecting valuable components such as diodes, thyristors, rectifiers and insulated-gate bipolar transistors used within industrial control and power-conversion systems.
The Mersen P300485 manufacturer reference enables maintenance engineers, panel builders and purchasing teams to identify the required replacement fuse accurately. The fuse’s complete current rating, voltage rating, utilisation category, terminal arrangement and dimensions should be confirmed against the existing component or current Mersen technical documentation before installation.
Power-semiconductor devices can suffer permanent damage within milliseconds when exposed to excessive fault current. Dedicated high-speed fuses are therefore used to interrupt faults rapidly and restrict the amount of energy reaching sensitive electronic components.
The Mersen P300485 is intended to provide dependable protection within compatible motor-control and power-conversion systems. Correct fuse selection is essential, so the required current, voltage, breaking capacity, utilisation category, I²t performance, dimensions and terminal configuration must be verified before installation.
| Item number | P300485 |
|---|---|
| Catalogue No | PC70UD13C100TF |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 100A With Striker Flush ends metric threads |
| EAN/UPC Code | 3605340329148 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 100 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 70 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 6750 A²s |
| Melting I2t | 830 A²s |
| AC Max I.R./Breaking Capacity | I1: 126 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 39.8 mm |
| Product Length | 74 mm |
| Product Height | 49.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.017 kg |
| Sell Pack Width | 85 mm |
| Sell Pack Length | 133 mm |
| Sell Pack Height | 55 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.339 kg |
| Power Dissipation at Rated Current Value | 30 W |
| HS Code | 85351000 |
The P300485 is a high-speed fuse intended to protect sensitive semiconductor devices and compatible industrial power-electronic equipment against damaging fault currents.
High-speed semiconductor fuses are commonly used to protect diodes, thyristors, rectifiers and IGBTs within industrial power-conversion equipment.
It may be installed in compatible variable speed drives when its complete electrical ratings, operating characteristics and physical configuration match the equipment requirements.
Compare the complete part number, current rating, voltage rating, breaking capacity, utilisation category, I²t values, dimensions and terminal arrangement with the existing fuse and current Mersen documentation.
The fuse should be selected and installed by a suitably qualified electrical engineer or technician in accordance with applicable safety requirements and equipment manufacturer instructions.
Mersen Protistor® fuses are specified by electrical engineers, OEM manufacturers and industrial maintenance teams for dependable high-speed protection of valuable power-electronic equipment.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...