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MERSEN FUSE 11 URD 273 TTF 1400 K302229
MPN: K302229
Alt. SKU: PC273UD11C14CTF
Special Price
£345.54
£287.95
Regular Price
£628.25
Why Choose the Square Body High-Speed Fuse Protistor® 2x73 aR 1100VAC IEC 1400A With Striker Flush ends metric threads PC273UD11C14CTF?
Engineered for demanding industrial and power electronics applications, the Protistor® PC273UD11C14CTF delivers reliable circuit protection, supporting high-speed response at up to 1400A and 1100VAC. Its aR-type characteristic ensures safe interruption of short-circuit events, helping safeguard sensitive semiconductor devices.
The compact square body (2x73 mm) with flush ends and metric threads enables streamlined panel integration and secure, vibration-resistant mounting. Integrated striker functionality offers immediate fuse status indication, minimising system downtime and supporting predictive maintenance strategies.
Technical Specifications
- Item number: K302229
- Catalogue No: PC273UD11C14CTF
- Description: Square Body High-Speed Fuse Protistor® 2x73 aR 1100VAC IEC 1400A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340351866
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 1400 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 2x73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 3060 kA²s
- Melting I2t: 454 kA²s
- AC Max I.R./Breaking Capacity: I1: 100 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 167 mm
- Product Length: 91 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.53 kg
- Sell Pack Width: 90 mm
- Sell Pack Length: 205 mm
- Sell Pack Height: 95 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 2.53 kg
- Power Dissipation at Rated Current Value: 283 W
Product Code: K302229
Key Benefits
- High-speed aR characteristic ensures rapid and safe interruption of short-circuit currents.
- Compact square body design (2x73 mm) facilitates easy integration in panel assemblies.
- Flush ends with metric threads provide secure and vibration-resistant mounting.
- Integrated striker indication system allows immediate fuse status monitoring, reducing downtime.
- Ceramic body material offers excellent thermal and mechanical stability.
- Silver-plated brass terminals ensure reliable electrical connection and corrosion resistance.
Compatibility
This fuse is compatible with industrial and power electronics equipment requiring high-speed semiconductor protection at up to 1100VAC and 1400A. It is suitable for use in systems designed to accommodate 2x73 mm square body fuses with bolted mounting and striker indication.
Applications
- Protection of power semiconductors in industrial drives and converters.
- High-speed circuit protection in power electronics and motor control centres.
- Use in renewable energy systems such as solar inverters and wind turbines.
- Protection of transformers and capacitors in electrical distribution networks.
- General industrial electrical equipment requiring reliable high-current fuse protection.
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates that the fuse is designed for semiconductor protection, providing high-speed interruption of short-circuit currents with limited let-through energy to protect sensitive devices.
How does the striker indication system work?
The integrated striker mechanism physically moves when the fuse operates, providing a visible indication of fuse status without needing to remove the fuse from its holder.
Can this fuse be used in DC applications?
This particular fuse is rated for AC applications only, as specified by the 1100 V AC IEC rating. For DC applications, a fuse with an appropriate DC rating should be selected.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting with flush ends and metric threads, ensuring secure and vibration-resistant installation.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, 1400A fuse, 1100VAC fuse, aR characteristic fuse, square body fuse, 2x73 fuse, striker indication fuse, bolted mounting fuse, industrial electrical fuse
| Manufacturer Part Number | K302229 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340351866 |
| Height | 91mm |
| Width | 167mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC273UD11C14CTF |
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