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MERSEN FUSE 6,9 GRB 72 D11A 0350 6,9GRB72D11A0350
MPN: E302500
Alt. SKU: PC72GB69V350D1A
Special Price
£102.11
£85.09
Regular Price
£185.64
MERSEN FUSE 6,9 GRB 72 D11A 0350 6,9GRB72D11A0350 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 350A With Striker DIN 110 Blades PC72GB69V350D1A?
Engineered for demanding industrial applications, this 350A Protistor® high-speed fuse delivers reliable circuit protection at up to 690VAC, ensuring rapid interruption of fault currents in sensitive power electronics. The square body Size 72 design with DIN 110 blades offers straightforward installation and optimal thermal performance.
Featuring an integrated striker for fuse status indication and compliance with IEC standards, it provides enhanced safety and operational uptime in critical equipment. Ideal for use in drives, UPS systems, and power conversion, this fuse is a dependable choice for safeguarding valuable assets.
Technical Specifications
- Item number: E302500
- Catalogue No: PC72GB69V350D1A
- Description: Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 350A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340354560
- Rated voltage AC IEC: 690 V
- Ampere Rating: 350 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: DIN 110 Blades
- Product Width: 59 mm
- Product Length: 133.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.1999 kg
- Sell Pack Width: 145 mm
- Sell Pack Length: 73 mm
- Sell Pack Height: 195 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.7333 kg
- Power Dissipation at Rated Current Value: 60 W
Product Code: E302500
Key Benefits
- High-speed gR characteristic ensures rapid fault clearance protecting sensitive equipment.
- Square body Size 72 design allows for easy installation and replacement.
- Integrated striker provides clear fuse status indication enhancing maintenance safety.
- Silver-plated copper DIN 110 blades ensure reliable and low-resistance connections.
- Ceramic body offers excellent thermal stability and durability under high fault currents.
- Compliant with IEC standards for assured quality and performance.
Compatibility
This fuse is compatible with industrial drives, uninterruptible power supplies (UPS), power converters, and semiconductor protection circuits requiring high-speed interruption at voltages up to 690VAC. It fits fuse holders and switchgear designed for Size 72 fuses with DIN 110 blade terminals.
Applications
- Protection of power semiconductor devices such as IGBTs and thyristors.
- Industrial motor drives and variable frequency drives (VFDs).
- Uninterruptible power supplies (UPS) systems.
- Power conversion and inverter circuits.
- Renewable energy systems including solar inverters.
Frequently Asked Questions
What does the gR speed/characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductor devices by quickly interrupting both overload and short-circuit currents.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, with a maximum rated voltage of 690VAC.
How does the striker indication system work?
The integrated striker mechanically indicates fuse operation by triggering a visible or mechanical signal when the fuse element melts, aiding quick fault identification.
Can this fuse be used in standard fuse holders?
This fuse requires fuse holders compatible with Size 72 fuses and DIN 110 blade terminals for proper mounting and connection.
Common Search Terms
high-speed fuse, Protistor fuse, Size 72 fuse, 350A fuse, 690VAC fuse, semiconductor protection fuse, gR fuse, DIN 110 blade fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | E302500 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340354560 |
| Height | 133.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72GB69V350D1A |
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