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MERSEN FUSE 6,9 GRB 70 ESF 0160 G301306
High-speed Protistor® fuse with gR characteristic for semiconductor protection, rated 160A at 690VAC, featuring striker indication and open slot blade terminals.
£81.22
Why Choose the Mersen G301306 Protistor® High-Speed Fuse?
The Mersen G301306 is a specialist high-speed semiconductor fuse designed to protect sensitive power electronic components against damaging overcurrent and short-circuit conditions. As part of the established Mersen Protistor® fuse range, it is suitable for industrial systems requiring rapid fault interruption and effective limitation of let-through energy.
Power semiconductors can suffer permanent damage within a fraction of a second when exposed to excessive fault current. The G301306 is engineered to operate faster than a conventional industrial fuse, helping limit the peak current and thermal energy reaching components such as IGBTs, thyristors, SCRs, diodes and rectifier modules.
Its robust industrial construction and efficient internal arc-quenching system support dependable operation in demanding power-conversion and motor-control equipment. The Mersen G301306 can be incorporated into a compatible fuse holder, busbar assembly or equipment-specific installation within drives, converters, inverters and industrial power supplies.
Key Advantages
- High-speed fuse designed for semiconductor protection.
- Rapid fault interruption helps minimise damage to sensitive components.
- Low let-through energy reduces electrical and thermal stress.
- Suitable for protecting IGBTs, thyristors, SCRs, diodes and rectifiers.
- Industrial-grade construction for demanding power electronic equipment.
- Supports coordinated circuit protection and reduced equipment downtime.
Key Features
- Mersen Protistor® high-speed fuse range.
- Manufacturer reference: G301306.
- Designed specifically for power semiconductor protection.
- Fast operating response under severe fault conditions.
- Low peak let-through current and total clearing I²t.
- Efficient internal arc-quenching technology.
- Robust industrial fuse body and connection system.
- Suitable for power-conversion and motor-control applications.
Reliable Protection for Industrial Power Electronics
High-speed fuses form an important part of a coordinated semiconductor protection system. During a severe electrical fault, the fuse element operates rapidly to restrict both the peak fault current and the total energy reaching the protected power module.
This fast response can help prevent secondary damage to connected equipment, reduce repair costs and shorten unplanned downtime. Correct selection should account for the circuit voltage, continuous load current, prospective fault current, semiconductor withstand characteristics and applicable electrical standards.
Typical Applications
- Variable frequency drives and industrial motor drives.
- Power converters and industrial rectifiers.
- Solar, battery and renewable-energy inverters.
- Uninterruptible power supply systems.
- Industrial power supplies and charging equipment.
- Protection of IGBT, SCR, thyristor and diode modules.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | G301306 | |
| Catalogue No | PC70GB69V160ESF | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 160A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340339512 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 160 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 25000 A²s | |
| Melting I2t | 4232 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 | Open Slot Blades | |
| Product Width | 39 mm | |
| Product Length | 133.4 mm | |
| Product Height | 46 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.2 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 70 mm | |
| Sell Pack Height | 145 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.4 kg | |
| Power Dissipation at Rated Current Value | 29 W |
Frequently Asked Questions
What is the Mersen G301306 used for?
The Mersen G301306 is used to provide high-speed protection for semiconductor components installed in industrial drives, converters, rectifiers, inverters and other power electronic equipment.
Is the Mersen G301306 a general-purpose fuse?
No. It is a specialist high-speed fuse intended primarily for protecting sensitive power semiconductor devices against damaging fault currents.
Which components can the G301306 protect?
In a correctly designed and rated circuit, the fuse can help protect components such as IGBTs, thyristors, SCRs, diodes and rectifier modules.
Why is low let-through energy important?
Low let-through energy reduces the electrical and thermal stress imposed on semiconductor devices during a fault, helping minimise damage to sensitive components.
How should the correct replacement fuse be selected?
The replacement fuse should match the equipment manufacturer's specified current, voltage, operating class, dimensions, terminal arrangement and breaking-capacity requirements.
Trusted for Industrial Semiconductor Protection
Mersen Protistor® high-speed fuses are widely specified by electrical engineers and equipment manufacturers for rapid, dependable protection of sensitive semiconductor components in demanding industrial applications.
