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MERSEN FUSE 6,9 GRB 72 EF 0400 PC72GB69V400EF
MPN: R301338
Alt. SKU: PC72GB69V400EF
Special Price
£136.06
£113.38
Regular Price
£247.37
MERSEN FUSE 6,9 GRB 72 EF 0400 PC72GB69V400EF is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 400A With Striker Open Slot Blades PC72GB69V400EF?
Engineered for maximum protection of sensitive power electronic components, this Protistor® high-speed fuse delivers reliable short-circuit safeguarding at 690VAC with a robust 400A rating. The innovative striker mechanism ensures rapid, remote fault indication, minimising downtime and maintenance overheads in critical industrial environments.
With its 72mm square body design, open slot blades, and compliance to IEC standards, the PC72GB69V400EF offers quick installation and superior thermal and electrical performance, making it an optimal choice for demanding switchgear, inverter, and drive system applications.
Technical Specifications
- Item number: R301338
- Catalogue No: PC72GB69V400EF
- Description: Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 400A With Striker Open Slot Blades
- EAN/UPC Code: 3605340339949
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 140 kA²s
- Melting I2t: 23.2 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: 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: 65 W
Product Code: R301338
Key Benefits
- High-speed gR characteristic for superior protection of sensitive semiconductor devices.
- Striker indication system enables quick remote fault detection, reducing downtime.
- Robust ceramic body ensures excellent thermal and mechanical stability.
- Open slot blade terminals facilitate easy and secure bolted mounting.
- Compliance with IEC standards guarantees reliable and safe operation.
Compatibility
This fuse is compatible with switchgear, inverter systems, and motor drives requiring 690VAC protection with a 400A rating. It fits fuse holders designed for size 72 square body fuses with open slot blade terminals and bolted mounting.
Applications
- Protection of power electronic components in industrial drives and inverters.
- Short-circuit protection in switchgear assemblies operating at 690VAC.
- Safeguarding semiconductor devices in automation and control systems.
- Use in renewable energy systems such as solar inverters.
Frequently Asked Questions
What does the gR speed characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductors and sensitive power electronics by clearing faults rapidly to prevent damage.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker mechanism activates upon fuse operation, providing a mechanical indication that can be detected remotely to signal a blown fuse.
Can this fuse be used in a standard fuse holder?
This fuse requires a fuse holder compatible with size 72 square body fuses with open slot blade terminals and bolted mounting.
Common Search Terms
high-speed fuse, Protistor fuse, size 72 fuse, 690VAC fuse, 400A fuse, semiconductor protection fuse, gR fuse, striker fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | R301338 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339949 |
| Height | 149.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72GB69V400EF |
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