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MERSEN FUSE 6,9 GRB 70 TTF 0250 PC70GB69V250TF
MPN: N301312
Alt. SKU: PC70GB69V250TF
Special Price
£85.98
£71.65
Regular Price
£156.32
MERSEN FUSE 6,9 GRB 70 TTF 0250 PC70GB69V250TF is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 250A With Striker Flush Ends Metric Threads PC70GB69V250TF?
This high-speed fuse delivers reliable protection for power semiconductors, rated for 250A and up to 690VAC according to IEC standards. Its gR characteristic ensures full-range breaking capacity, safeguarding sensitive equipment against overloads and short circuits.
Designed with a robust square body, striker mechanism for remote indication, and metric-threaded flush terminals, this fuse simplifies installation and maintenance in industrial control gear, drives, and power electronics.
Technical Specifications
- Item number: N301312
- Catalogue No: PC70GB69V250TF
- Description: Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 250A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340339574
- Rated voltage AC IEC: 690 V
- Ampere Rating: 250 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 70
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 79000 A²s
- Melting I2t: 13450 A²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 39 mm
- Product Length: 74 mm
- Product Height: 46 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.017 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 133 mm
- Sell Pack Height: 55 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.339 kg
- Power Dissipation at Rated Current Value: 40 W
Product Code: N301312
Key Benefits
- High-speed gR characteristic for full-range semiconductor protection
- Robust ceramic square body ensures durability and heat resistance
- Striker indication system provides clear remote fault signalling
- Flush ends with metric threads simplify secure, bolted mounting
- Rated for up to 690VAC and 250A, suitable for demanding industrial applications
- Silver-plated brass terminals ensure reliable electrical connection
- Complies with IEC standards and RoHS regulations
Compatibility
This fuse is compatible with industrial control gear, power electronics, and semiconductor devices requiring high-speed protection. It is designed for bolted mounting in fuse holders and switchgear assemblies that accept Size 70 fuses with metric-threaded flush terminals.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and variable speed drives
- Power electronics and inverter circuits
- Control panels and switchgear requiring high breaking capacity
- Renewable energy systems including solar and wind inverters
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates a full-range high-speed fuse designed to protect semiconductor devices against both overloads and short circuits.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker mechanism provides a mechanical indication of fuse operation, which can be used to trigger remote signalling devices for fault detection.
Can this fuse be used in environments outside IEC standards?
This fuse is designed and tested according to IEC standards. For use outside these standards, consult with a technical expert to ensure suitability.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 70 fuse, 250A fuse, 690VAC fuse, gR fuse, striker fuse, ceramic fuse, bolted fuse, industrial fuse, power electronics protection
| Manufacturer Part Number | N301312 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339574 |
| Height | 74mm |
| Width | 39mm |
| Depth | 46mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC70GB69V250TF |
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