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MERSEN FUSE 6,9 GRB 70 TTF 0125 PC70GB69V125TF
MPN: G301283
Alt. SKU: PC70GB69V125TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 125A With Striker Flush ends metric threads PC70GB69V125TF?
This high-speed Protistor® fuse is engineered for reliable protection of sensitive semiconductor devices in demanding industrial environments. With a 690VAC IEC voltage rating, 125A current rating, and gR full-range breaking capability, it ensures fast and efficient circuit interruption during fault conditions.
The robust square body design features metric threaded flush ends for secure installation and an integrated striker for remote signalling of fuse status. Optimised for minimising energy let-through and arc flash risk, PC70GB69V125TF delivers long-term durability with full compliance to IEC standards, making it ideal for modern power electronic systems.
Technical Specifications
- Item number: G301283
- Catalogue No: PC70GB69V125TF
- Description: Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 125A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340339222
- Rated voltage AC IEC: 690 V
- Ampere Rating: 125 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 70
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 11200 A²s
- Melting I2t: 1897 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: 26 W
Product Code: G301283
Key Benefits
- High-speed gR characteristic for full-range semiconductor protection
- Rated for 690VAC and 125A ensuring suitability for demanding industrial applications
- Robust ceramic square body design for enhanced durability and thermal performance
- Integrated striker indication system for remote fuse status signalling
- Flush metric threaded ends provide secure and reliable bolted mounting
- Complies fully with IEC standards for safety and performance
- Minimises energy let-through and arc flash hazards
- Silver-plated brass terminals ensure excellent electrical conductivity and corrosion resistance
Compatibility
This fuse is compatible with fuse holders and switchgear designed for Size 70 high-speed fuses with metric threaded flush ends. It is ideal for use in semiconductor protection circuits, power converters, inverters, and other industrial power electronic equipment requiring fast and reliable overcurrent protection at up to 690VAC.
Applications
- Protection of power semiconductor devices such as IGBTs, thyristors, and diodes
- Industrial motor drives and variable speed drives
- Power converters and inverters in renewable energy systems
- UPS systems and uninterruptible power supplies
- General industrial electrical distribution requiring high-speed fuse protection
Frequently Asked Questions
What does the gR speed/characteristic mean?
The gR characteristic indicates a high-speed fuse designed for full-range semiconductor protection, capable of interrupting both overload and short-circuit currents effectively.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication when the fuse has blown, enabling remote signalling and easier maintenance checks without direct visual inspection.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS regulations, ensuring it is free from hazardous substances.
Common Search Terms
High-speed fuse Size 70, Protistor fuse 690VAC, semiconductor protection fuse, gR fuse 125A, flush end fuse, striker fuse indicator, industrial high-speed fuse, IEC rated fuse, ceramic body fuse, bolted mounting fuse
| Manufacturer Part Number | G301283 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339222 |
| Height | 74mm |
| Width | 39mm |
| Depth | 46mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC70GB69V125TF |