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MERSEN FUSE 6,9 GRB 71 D11A 0450 PC71GB69V450D1A
MPN: R301637
Alt. SKU: PC71GB69V450D1A
Special Price
£102.48
£85.40
Regular Price
£186.32
MERSEN FUSE 6,9 GRB 71 D11A 0450 PC71GB69V450D1A is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 450A With Striker DIN 110 Blades PC71GB69V450D1A?
Engineered for superior protection in demanding electrical environments, this high-speed Protistor® fuse provides reliable operation at up to 450A and 690VAC, compliant with IEC standards. The integrated striker enables fast, remote signalling of fuse operation, enhancing safety and system uptime.
Featuring robust DIN 110 blade terminations and a durable square body, this 71mm fuse ensures secure installation and excellent thermal performance. Ideal for safeguarding sensitive power electronics in industrial and renewable energy applications.
Technical Specifications
- Item number: R301637
- Catalogue No: PC71GB69V450D1A
- Description: Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 450A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340344431
- Rated voltage AC IEC: 690 V
- Ampere Rating: 450 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 360 kA²s
- Melting I2t: 61.7 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 110 Blades
- Product Width: 51 mm
- Product Length: 133.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.56 kg
- Sell Pack Width: 142 mm
- Sell Pack Length: 166 mm
- Sell Pack Height: 62 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.52 kg
- Power Dissipation at Rated Current Value: 61 W
Product Code: R301637
Key Benefits
- High-speed gR characteristic provides excellent protection for semiconductor devices.
- Integrated striker enables quick and reliable remote indication of fuse operation.
- Robust ceramic square body ensures durability and thermal stability.
- Silver-plated copper DIN 110 blade terminals offer secure and low-resistance connections.
- Complies with IEC standards for safe and reliable operation at 690VAC and 450A.
Compatibility
This fuse is compatible with industrial electrical systems requiring high-speed semiconductor protection at voltages up to 690VAC and currents up to 450A. It fits fuse holders and switchgear designed for Size 71 fuses with DIN 110 blade terminals and bolted mounting.
Applications
- Protection of power electronics such as inverters and converters.
- Industrial motor drives and control systems.
- Renewable energy systems including solar and wind power installations.
- High-speed switching circuits requiring rapid fault clearance.
- General semiconductor protection in manufacturing and process industries.
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates a full-range semiconductor fuse designed to protect against both overloads and short circuits, suitable for protecting power semiconductors.
How does the striker indication system work?
The striker mechanism provides a mechanical signal that the fuse has operated, which can be used to trigger remote alarms or indicators for quick fault detection.
Can this fuse be used in DC applications?
No, this specific fuse is rated for AC applications only, as indicated in the technical specifications.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting, ensuring secure and stable installation in compatible fuse holders or switchgear.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, Size 71 fuse, 450A fuse, 690VAC fuse, gR fuse, DIN 110 blade fuse, striker indication fuse, ceramic body fuse
| Manufacturer Part Number | R301637 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340344431 |
| Height | 133.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71GB69V450D1A |
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