Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE 6,9 URD 33 D11 A 0450 PC33UD69V450D1A
High-speed aR fuse designed for semiconductor protection with integrated striker indication, rated 450A at 690VAC (IEC) and 700VAC (UL), featuring ceramic body and DIN 110 blade terminals.
£96.94
Why Choose the Mersen V302169 High-Speed Semiconductor Fuse?
The Mersen V302169 is a premium Protistor® Size 33 square body high-speed semiconductor fuse engineered to provide outstanding protection for modern power electronic equipment. Featuring an ultra-fast aR operating characteristic, it rapidly clears short-circuit faults to protect IGBTs, thyristors, diodes and other semiconductor devices used in demanding industrial applications.
Part of the trusted Mersen Protistor® Size 33 series, the V302169 incorporates die-cut silver fuse elements embedded in solidified silica sand to provide low let-through energy (I²t), high breaking capacity and dependable performance. Silver-plated contact surfaces and non-magnetic hardware ensure long service life in critical industrial environments.
Rated at 450 A with a 690 V AC IEC / 700 V AC UL voltage rating, the V302169 features DIN 110 blade terminals with an integrated striker indicator, making it ideal for industrial drives, power converters, UPS systems and renewable energy equipment.
Key Advantages
- Ultra-fast aR semiconductor fuse for protecting sensitive power electronics.
- 450 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects IGBTs, thyristors, power diodes and other semiconductor devices.
- Low I²t performance helps minimise thermal stress during fault conditions.
- Integrated striker indicator simplifies maintenance and monitoring.
Key Features
- Mersen Protistor® Size 33 semiconductor fuse.
- 450 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- aR ultra-fast operating characteristic.
- Square body construction.
- DIN 110 blade terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces for dependable electrical performance.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to interrupt fault currents before they can damage expensive power electronic components. Their ultra-fast response limits fault energy, helping maximise equipment reliability while extending the service life of converters, drives and other industrial power systems.
The Mersen Protistor® Size 33 range is widely specified by OEMs and industrial engineers where dependable semiconductor protection, high interrupting capacity and low let-through energy are essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- UPS systems.
- Renewable energy inverters.
- Industrial automation equipment.
- High-power power supplies.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | V302169 | |
| Catalogue No | PC33UD69V450D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 450A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340351262 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 87 kA²s | |
| Melting I2t | 13.45 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 | DIN 110 Blades | |
| Product Width | 73 mm | |
| Product Length | 134.6 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.622 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 240 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.874 kg | |
| Power Dissipation at Rated Current Value | 88 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen V302169 used for?
The V302169 is designed to protect semiconductor devices such as IGBTs, thyristors and power diodes against damaging short-circuit currents in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen V302169 has a 450 A current rating.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR operating characteristic mean?
The aR operating characteristic provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating conditions.
Where is the V302169 commonly installed?
The fuse is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power conversion systems.
Trusted for Industrial Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs and industrial engineers for delivering dependable protection of critical semiconductor devices in demanding industrial power systems.
