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MERSEN FUSE 12,5 URD 71 EF 0315 12,5URD71EF0315
MPN: B300611
Alt. SKU: PC71UD13C315EF
Special Price
£99.95
£83.29
Regular Price
£181.73
MERSEN FUSE 12,5 URD 71 EF 0315 12,5URD71EF0315 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 315A With Striker Open Slot Blades PC71UD13C315EF?
The PC71UD13C315EF high-speed fuse offers reliable protection for power semiconductors in demanding industrial applications, supporting operation up to 1250VAC IEC and 1300VAC UL. Its square body design and aR operational class ensure rapid response to overcurrent events, minimising equipment downtime and safeguarding sensitive components.
Featuring open slot blades with an integrated striker for remote indication, this 315A Protistor® fuse provides ease of installation and maintenance. Certified to both IEC and UL standards, it delivers robust performance, making it an ideal choice for engineers seeking dependable circuit protection in modern electrical systems.
Technical Specifications
- Item number: B300611
- Catalogue No: PC71UD13C315EF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 315A With Striker Open Slot Blades
- EAN/UPC Code: 3605340330960
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 315 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 129 kA²s
- Melting I2t: 16 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: 51 mm
- Product Length: 149.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.62 kg
- Sell Pack Width: 140 mm
- Sell Pack Length: 174 mm
- Sell Pack Height: 71 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.54 kg
- Power Dissipation at Rated Current Value: 76 W
Product Code: B300611
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of overcurrents, protecting sensitive semiconductor devices.
- Square body design facilitates easy installation and secure bolted mounting.
- Open slot blades with integrated striker provide clear remote indication of fuse operation.
- Certified to IEC and UL standards for reliable performance in diverse industrial environments.
- Ceramic body offers excellent thermal and mechanical durability under high fault conditions.
Compatibility
This fuse is compatible with power semiconductor protection circuits requiring size 71 aR fuses, suitable for use in industrial motor drives, inverters, and power converters operating at voltages up to 1250VAC IEC and 1300VAC UL.
Applications
- Protection of power semiconductors in industrial motor controllers and drives.
- Use in inverters and variable frequency drives (VFDs).
- Industrial power conversion and distribution systems.
- High-speed circuit protection in automation and process control equipment.
- Electrical systems requiring remote fuse status indication.
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR (partial range) characteristic indicates that the fuse is designed for semiconductor protection, providing high-speed interruption of overloads and short circuits while allowing certain inrush currents typical in semiconductor devices.
Can this fuse be used in DC applications?
No, this fuse is specified for AC applications only, as indicated in the technical specifications.
How does the striker indication system work?
The striker is a mechanical indicator that triggers when the fuse operates, enabling remote signalling of fuse status for easier maintenance and fault diagnosis.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting, ensuring secure and stable installation in fuse holders or switchgear.
Common Search Terms
High-speed fuse, Protistor fuse, semiconductor protection fuse, size 71 fuse, 315A fuse, aR fuse, 1250VAC fuse, 1300VAC fuse, striker indication fuse, bolted fuse, ceramic body fuse, open slot blade fuse.
| Manufacturer Part Number | B300611 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340330960 |
| Height | 149.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD13C315EF |
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