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MERSEN FUSE CC 6 GRB 72 EF 0200 D72GB60V200EF
Protistor® high-speed fuse with 200A rating, dual IEC and UL DC voltage compliance, striker indication system, and open slot blade terminals for industrial semiconductor protection.
£268.75
Why Choose the Mersen M302691 High-Speed Semiconductor Fuse?
The Mersen M302691 (D72GB60V200EF) is a Protistor® Size 72 square body high-speed semiconductor fuse designed to provide maximum protection for power semiconductor devices used in industrial DC drives, battery energy storage systems, renewable energy installations and other high-performance power conversion equipment. Engineered for demanding applications, it rapidly interrupts fault currents while minimising damage to sensitive electronic components.
Rated at 200 A with a 600 V DC (IEC) and 650 V DC (UL) voltage rating, the M302691 features a gR operating characteristic, integrated striker indicator and open slot blade silver-plated copper terminals. Its low I²t characteristics and high interrupting capacity help maximise equipment protection whilst reducing maintenance costs and downtime.
As part of the renowned Mersen Protistor® semiconductor protection range, the M302691 provides reliable protection for modern power electronics, including IGBTs, diodes, thyristors and other semiconductor devices operating under demanding DC conditions.
Key Advantages
- High-speed gR semiconductor protection for overload and short-circuit conditions.
- 200 A current rating with dual 600 V DC IEC / 650 V DC UL ratings.
- Low I²t minimises damage to power semiconductor devices.
- Integrated striker indicator for rapid fuse status identification.
- Open slot blade terminals simplify installation and maintenance.
- Designed for industrial drives, renewable energy and battery storage systems.
Key Features
- Mersen Protistor® Size 72 semiconductor fuse.
- Manufacturer reference: M302691.
- Catalogue number: D72GB60V200EF.
- Square body ceramic fuse construction.
- Open slot blade terminals with silver-plated copper contacts.
- Integrated striker indication system.
- Bolted mounting.
- RoHS compliant.
Reliable Protection for Modern Power Electronics
High-speed semiconductor fuses are specifically engineered to protect sensitive electronic devices by rapidly interrupting fault currents before excessive energy reaches IGBTs, diodes, thyristors and similar components. Their current-limiting performance helps improve equipment reliability whilst reducing repair costs and operational downtime.
The Protistor® range is widely used throughout industrial drives, renewable energy systems, battery energy storage installations, DC power conversion equipment and other applications where dependable semiconductor protection is essential.
Typical Applications
- Industrial DC drives.
- Battery energy storage systems (BESS).
- Renewable energy power conversion.
- Industrial converters and inverters.
- Protection of IGBTs, thyristors and diodes.
- High-performance DC power systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 650 V | |
| Item number | M302691 | |
| Catalogue No | D72GB60V200EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 gR 600VDC IEC 650VDC UL 200A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340355291 | |
| Rated voltage DC UL | 650 V | |
| Rated voltage DC IEC | 600 V | |
| Ampere Rating | 200 A | |
| RoHS Compliant | Yes | |
| AC or DC | DC | |
| Speed/Characteristic | gR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Melting I2t | 4232 A²s | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Open Slot Blades | |
| Product Width | 59 mm | |
| Product Length | 133.4 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.274 kg | |
| Sell Pack Width | 157 mm | |
| Sell Pack Length | 202 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.758 kg | |
| Power Dissipation at Rated Current Value | 45 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen M302691 used for?
The Mersen M302691 is designed to provide high-speed protection for semiconductor devices used in industrial drives, renewable energy systems, battery storage and DC power conversion equipment.
What are the electrical ratings?
The fuse is rated at 200 A, 600 V DC (IEC) and 650 V DC (UL).
What does the gR operating characteristic mean?
The gR characteristic provides full-range protection for semiconductor devices by protecting against both overloads and short circuits.
Does this fuse include a blown-fuse indicator?
Yes. The M302691 incorporates an integrated striker indicator for rapid identification after fuse operation.
Which applications is this fuse suitable for?
It is suitable for industrial drives, battery energy storage systems, renewable energy installations, DC converters and other applications requiring reliable semiconductor protection.
Trusted by High-Power System Designers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide to provide rapid, dependable protection for critical power electronic equipment used in industrial automation, renewable energy, transportation and energy storage applications.
