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MERSEN FUSE 6,9 URD 33 E F 1000 6,9URD33EF1000
The PC33UD69V1000EF delivers reliable circuit protection for demanding industrial and power electronics applications, supporting rapid response and safe interruption under fault conditions. Designed to IEC and UL standards, it features a robust square body, striker functionality for remote indication, and open slot blades for versatile panel integration.
£152.65
Why Choose the Mersen F300224 Protistor® High Speed Semiconductor Fuse?
The Mersen F300224 is a Protistor® Size 33 square body high-speed semiconductor fuse designed to provide ultra-fast protection for sensitive power semiconductor devices in industrial power conversion equipment. Engineered for demanding applications, it delivers exceptional current-limiting performance, helping to minimise equipment damage during short-circuit conditions whilst maximising operational reliability.
Part of the Mersen Protistor® Size 33 aR series, the F300224 has been specifically developed to protect IGBTs, SCRs, thyristors and diode modules. Precision die-cut fuse elements embedded in solidified silica sand provide low I²t values, excellent arc control and a high interrupting capacity for modern industrial power electronics.
Rated at 1000 A with a 690 V AC IEC / 700 V AC UL voltage rating, the fuse features open slot blade terminals and an integrated striker indicator, making it ideal for industrial drives, UPS systems, converters, rectifiers and renewable energy power conversion equipment.
Key Advantages
- Ultra-fast protection for sensitive semiconductor devices.
- 1000 A current rating.
- 690 V AC IEC / 700 V AC UL rated.
- aR utilisation category for semiconductor protection.
- Very low I²t characteristics minimise fault energy.
- 200 kA breaking capacity.
- Silver-plated contacts for optimum conductivity.
- Integrated striker indicator for remote fuse monitoring.
Key Features
- Manufacturer Part Number: F300224.
- Catalogue Number: PC33UD69V1000EF.
- Protistor® Size 33 square body fuse.
- 1000 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Open slot blade terminals.
- Square body ceramic construction.
- Integrated low-voltage striker indicator.
- Silver-plated contact surfaces.
- RoHS compliant.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect expensive power electronic devices that require extremely rapid fault interruption. The Protistor® range provides outstanding current limitation and low energy let-through, helping reduce damage to IGBTs, SCRs, thyristors, rectifiers and other semiconductor assemblies during fault conditions.
The Mersen F300224 is widely specified by OEMs, machine builders and maintenance engineers for industrial automation, renewable energy systems, UPS installations and power conversion equipment where dependable semiconductor protection is essential.
Applications
- Variable speed drives.
- Industrial inverters.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy systems.
- Motor control equipment.
- Semiconductor protection circuits.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | F300224 | |
| Catalogue No | PC33UD69V1000EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1000A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340325218 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 1000 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 990 kA²s | |
| Melting I2t | 170 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Standard Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Open Slot Blades | |
| Product Width | 73 mm | |
| Product Length | 126 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.556 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 100 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.852 kg | |
| Power Dissipation at Rated Current Value | 155 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen F300224 used for?
It provides ultra-fast protection for semiconductor devices including IGBTs, SCRs, thyristors and diodes used in industrial power conversion equipment.
What is the current rating of the F300224?
The fuse has a rated current of 1000 A.
What voltage is the fuse rated for?
It is rated for 690 V AC (IEC) and 700 V AC (UL).
Does this fuse include an indicator?
Yes. The F300224 incorporates an integrated striker indicator that can operate an optional microswitch for remote fuse indication.
Which applications is this fuse suitable for?
Typical applications include industrial drives, converters, rectifiers, UPS systems, renewable energy equipment and other industrial power electronic systems.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for protecting high-value power electronic equipment across industrial automation, energy conversion, motor control and renewable energy applications.
