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High-speed Protistor® fuse offering reliable, ultra-fast circuit interruption at 100A and 690VAC, with striker indication and DIN 110 blade terminals for semiconductor protection.
£63.99
The Mersen Q302027 is an industrial high-speed semiconductor protection fuse intended for the protection of sensitive power electronic equipment against damaging short-circuit currents. Mersen high-speed fuses are commonly specified for circuits containing power semiconductor components such as diodes, thyristors, rectifiers and insulated-gate bipolar transistors.
High-speed semiconductor fuses are designed to interrupt severe fault currents more rapidly than conventional general-purpose fuses. This fast, current-limiting response helps reduce peak fault current and the thermal energy transferred to connected components, supporting improved equipment protection and reduced unplanned downtime.
The Q302027 may be suitable for industrial drives, power converters, inverter assemblies, rectifiers, uninterruptible power supplies and other power electronic systems. As publicly accessible technical information for this exact reference could not be independently verified, its current rating, voltage rating, utilisation category, breaking capacity, terminal arrangement and dimensions should be confirmed from the product label or an official Mersen datasheet before purchase or installation.
Power semiconductor components can suffer permanent damage within a fraction of a second when exposed to excessive fault current. High-speed fuses are engineered to clear these faults quickly, helping restrict peak current, thermal stress and the total energy passed into sensitive electronic devices.
Correct fuse coordination is essential for safe and dependable operation. A replacement fuse should match the equipment manufacturer's specified current rating, voltage rating, breaking capacity, operating characteristic, dimensions and terminal configuration. The Q302027 reference alone should not be used as a substitute for verifying the complete technical specification.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | Q302027 | |
| Catalogue No | PC70GB69V100D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 100A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340349825 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 100 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 6200 A²s | |
| Melting I2t | 1058 A²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 110 Blades | |
| Product Width | 39 mm | |
| Product Length | 133.4 mm | |
| Product Height | 46 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.0899 kg | |
| Sell Pack Width | 130 mm | |
| Sell Pack Length | 50 mm | |
| Sell Pack Height | 140 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3633 kg | |
| Power Dissipation at Rated Current Value | 23 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
The Mersen Q302027 is intended for the high-speed protection of semiconductor devices and industrial power electronic equipment against damaging short-circuit currents.
High-speed fuses of this type are commonly used to protect components such as diodes, thyristors, rectifiers and IGBTs. Compatibility with the specific circuit must be verified before installation.
It is identified as a high-speed semiconductor protection reference rather than a conventional general-purpose fuse. The exact utilisation category should be confirmed using official Mersen documentation.
A replacement should match the complete Q302027 reference together with the original current rating, voltage rating, breaking capacity, operating characteristic, dimensions and terminal arrangement.
The precise electrical and mechanical ratings should be obtained from the fuse label, the original equipment documentation or an official Mersen datasheet supplied for reference Q302027.
Mersen high-speed fuse technology is used in industrial power electronic systems where rapid fault interruption and dependable semiconductor protection are essential. Always verify the exact Q302027 specification before installation.
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