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MERSEN FUSE 6,9 GRB 71 EF 0400 PC71GB69V400EF
MPN: D301326
Alt. SKU: PC71GB69V400EF
Special Price
£110.11
£91.76
Regular Price
£200.21
MERSEN FUSE 6,9 GRB 71 EF 0400 PC71GB69V400EF is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 400A With Striker Open Slot Blades PC71GB69V400EF?
Engineered for demanding industrial applications, this high-speed fuse delivers reliable protection for power semiconductors at up to 690VAC and 400A. The Protistor® Size 71 ensures rapid fault interruption, minimising equipment downtime and safeguarding critical components.
Featuring striker and open slot blades for enhanced signalling and straightforward installation, this IEC-certified fuse is ideal for integration in modern power systems requiring utmost performance, safety, and compliance.
Product Code: D301326
Key Benefits
- Rapid fault interruption to protect sensitive semiconductor devices.
- Striker indication system for clear and immediate fuse status signalling.
- Open slot blades facilitate easy and secure bolted mounting.
- High breaking capacity of 150 kA ensures safety under severe fault conditions.
- Ceramic body provides robust insulation and durability.
- Compliance with IEC standards guarantees quality and reliability.
Compatibility
This fuse is compatible with industrial power systems requiring semiconductor protection at voltages up to 690 V AC and currents up to 400 A. It is designed for use in bolted mounting fuse holders that accept Size 71 fuses with open slot blade terminals.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power supply units in manufacturing plants.
- Renewable energy systems including solar and wind power converters.
- High-speed switching circuits requiring precise and reliable fuse operation.
Technical Specifications
- Item number: D301326
- Catalogue No: PC71GB69V400EF
- Description: Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 400A With Striker Open Slot Blades
- EAN/UPC Code: 3605340339710
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 225 kA²s
- Melting I2t: 38.3 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: Open Slot Blades
- Product Width: 51 mm
- Product Length: 133.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.6098 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: 0.5366 kg
- Power Dissipation at Rated Current Value: 61 W
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates that the fuse is a full-range semiconductor fuse designed to protect power semiconductors against overloads and short circuits.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, up to 690 V AC as specified.
How does the striker indication system work?
The striker indication system provides a mechanical signal by releasing a striker when the fuse operates, allowing for quick visual or electrical indication of fuse status.
Is this fuse RoHS compliant?
Yes, this fuse is RoHS compliant, ensuring it meets environmental and safety standards.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, Size 71 fuse, 400A fuse, 690V fuse, gR fuse, striker fuse, open slot blade fuse, IEC fuse, ceramic body fuse, bolted mounting fuse
| Manufacturer Part Number | D301326 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339710 |
| Height | 133.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71GB69V400EF |
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