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MERSEN FUSE 12,5 URD 72 EF 0450 12,5URD72EF0450
MPN: N300622
Alt. SKU: PC72UD13C450EF
Special Price
£137.64
£114.70
Regular Price
£250.25
MERSEN FUSE 12,5 URD 72 EF 0450 12,5URD72EF0450 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Open Slot Blades PC72UD13C450EF?
Engineered for precision protection of power semiconductor devices, this high-speed Protistor® fuse delivers reliable circuit safeguarding at up to 1250VAC (IEC) and 1300VAC (UL), supporting a 450A current rating. Its robust square body design and open slot blades ensure efficient heat dissipation and straightforward installation in demanding industrial environments.
Equipped with a striker for remote signalling and rapid fault identification, the PC72UD13C450EF minimises downtime and enhances system safety. Fully compliant with IEC and UL standards, it is the trusted choice for high-performance, fault-tolerant protection in modern power control and conversion systems.
Product Code: N300622
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of fault currents, protecting sensitive semiconductor devices.
- Rated for up to 1300VAC (UL) and 1250VAC (IEC), suitable for high-voltage industrial applications.
- Robust ceramic square body construction for enhanced durability and heat resistance.
- Striker indication system allows for quick remote fault detection and maintenance response.
- Silver-plated copper open slot blades provide excellent conductivity and secure mounting.
- Compliance with IEC and UL standards guarantees reliable and safe operation.
Compatibility
This fuse is compatible with power semiconductor protection systems requiring bolted mounting and high breaking capacity. It integrates seamlessly with industrial power converters, motor drives, and other high-current AC applications where rapid fault clearance is essential.
Applications
- Protection of power semiconductor devices in industrial power control systems.
- High-speed circuit protection in motor drives and inverters.
- Use in power conversion and distribution panels requiring high breaking capacity fuses.
- Industrial automation and process control equipment safeguarding.
Technical Specifications
- Item number: N300622
- Catalogue No: PC72UD13C450EF
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Open Slot Blades
- EAN/UPC Code: 3605340331127
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 450 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 360 kA²s
- Melting I2t: 44.2 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 kA
- 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: 149.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.274 kg
- Sell Pack Width: 157 mm
- Sell Pack Length: 205 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: 89 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a high-speed fuse designed for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive devices.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC use only, as indicated in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication of fuse operation, enabling remote signalling for quick fault detection and maintenance.
Is this fuse compatible with bolted mounting?
Yes, the fuse is designed for bolted mounting, ensuring secure and reliable installation.
Common Search Terms
high-speed fuse, Protistor fuse, semiconductor protection fuse, size 72 fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, aR fuse, bolted fuse, striker indication fuse, industrial power fuse
| Manufacturer Part Number | N300622 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340331127 |
| Height | 149.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72UD13C450EF |
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