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MERSEN FUSE CC 6 GRB 72 EF 0350 D72GB60V350EF
High-speed DC fuse with gR characteristic for semiconductor protection, rated at 350A, 600-650VDC, featuring a square ceramic body, striker indication system, and open slot blade terminals.
£288.66
Why Choose the Mersen P302693 Protistor® High-Speed Fuse?
The Mersen P302693 (D72GB60V350EF) is a premium Protistor® square body high-speed semiconductor fuse engineered to deliver rapid and reliable protection for sensitive power electronic equipment. Designed specifically for demanding DC applications, this fuse provides exceptional protection for semiconductors including IGBTs, thyristors, diodes and rectifiers used in industrial power conversion systems.
As part of the trusted Mersen Protistor® Size 72 gR series, the P302693 combines low let-through energy with a high interrupting capacity to minimise damage during fault conditions. Manufactured using pure silver fuse elements embedded in solidified sand with silver-plated contacts, it delivers dependable long-term performance in demanding industrial environments.
Rated at 350 A with a 600 V DC (IEC) / 650 V DC (UL) voltage rating, the P302693 is ideal for protecting DC drives, battery energy storage systems, power converters, UPS equipment and renewable energy installations. The fuse features open slot blade terminals with an integrated striker for simple installation and remote fuse indication.
Key Advantages
- High-speed gR semiconductor protection fuse.
- 350 A current rating for demanding industrial applications.
- 600 V DC IEC / 650 V DC UL voltage rating.
- Protects IGBTs, thyristors, diodes and other semiconductor devices.
- Low I²t characteristics reduce damage during fault conditions.
- Integrated striker for fuse indication and auxiliary switching.
- Robust square body design with silver-plated contacts.
Key Features
- Mersen Protistor® Size 72 gR series.
- Manufacturer part number: P302693.
- Catalogue number: D72GB60V350EF.
- 350 A rated current.
- 600 V DC IEC / 650 V DC UL rated voltage.
- Square body high-speed semiconductor fuse.
- Open slot blade terminals.
- Integrated striker indicator.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically developed to protect sensitive electronic power devices from destructive fault currents. Their rapid operation significantly reduces thermal and electrical stress, helping extend equipment life while reducing costly downtime.
The Mersen Protistor® range is widely specified by OEMs, industrial engineers and panel builders for battery systems, industrial drives, renewable energy installations and power conversion equipment where dependable semiconductor protection is essential.
Typical Applications
- Industrial DC drives.
- Power converters and rectifiers.
- Battery energy storage systems.
- Renewable energy installations.
- UPS and critical power systems.
- Industrial automation equipment.
- Semiconductor protection within power electronic systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 650 V | |
| Item number | P302693 | |
| Catalogue No | D72GB60V350EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 gR 600VDC IEC 650VDC UL 350A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340355314 | |
| Rated voltage DC UL | 650 V | |
| Rated voltage DC IEC | 600 V | |
| Ampere Rating | 350 A | |
| RoHS Compliant | Yes | |
| AC or DC | DC | |
| Speed/Characteristic | gR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Melting I2t | 23156 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 | 60 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen P302693 used for?
The Mersen P302693 is a high-speed semiconductor fuse designed to protect IGBTs, thyristors, diodes, rectifiers and other sensitive power electronic devices from damaging fault currents.
What is the current rating of this fuse?
The fuse has a 350 A rated current.
What voltage is the P302693 rated for?
The fuse is rated for 600 V DC (IEC) and 650 V DC (UL).
Does this fuse include a striker?
Yes. The P302693 incorporates an integrated striker that can be used for fuse indication or operation of an auxiliary microswitch.
Where is the P302693 commonly installed?
It is commonly installed in industrial DC drives, battery storage systems, power converters, renewable energy equipment and other semiconductor-based power electronic systems.
Trusted for Critical Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers for delivering rapid fault protection, reliable performance and long service life in demanding power electronic applications.
