We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE 6,9 GRB 70 D11A 0250 PC70GB69V250D1A
MPN: Z301943
Alt. SKU: PC70GB69V250D1A
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 250A With Striker DIN 110 Blades PC70GB69V250D1A?
Engineered for reliable protection of power semiconductors and critical circuits, this high-speed Protistor® fuse offers rapid fault response and minimises equipment downtime. Rated for 690VAC and 250A, it ensures superior current-limiting performance in demanding industrial environments.
The robust square-body design, integrated striker for remote indication, and secure DIN 110 blade terminals enable straightforward installation and compliance with IEC standards. Trusted across various applications, it delivers consistent protection and operational safety.
Product Code: Z301943
Key Benefits
- Rapid fault clearing to protect sensitive semiconductor devices.
- High breaking capacity of 150 kA ensures safety under severe fault conditions.
- Integrated striker indication system for easy remote fault signalling.
- Durable ceramic body for enhanced thermal and mechanical stability.
- Silver-plated copper DIN 110 blade terminals for reliable electrical connections.
- Compliance with IEC standards guarantees quality and compatibility.
Compatibility
This fuse is compatible with IEC standard fuse holders designed for size 70 gR fuses and DIN 110 blade terminals. It is suitable for use in industrial power semiconductor protection circuits and can be integrated into systems requiring 690VAC rated voltage and 250A current capacity.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power supply units and converters.
- Renewable energy systems including solar and wind inverters.
- General industrial electrical protection requiring high-speed fusing.
Technical Specifications
- Item number: Z301943
- Catalogue No: PC70GB69V250D1A
- Description: Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 250A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340348873
- 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: 13448 A²s
- 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: 39 mm
- Product Length: 133.4 mm
- Product Height: 46 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.0899 kg
- Sell Pack Width: 130 mm
- Sell Pack Length: 50 mm
- Sell Pack Height: 140 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3633 kg
- Power Dissipation at Rated Current Value: 40 W
Frequently Asked Questions
What does the 'gR' speed characteristic mean?
The 'gR' characteristic indicates a full-range semiconductor fuse that provides protection against both short-circuits and overloads, designed specifically for power semiconductors.
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 indication system provides a mechanical indication of fuse operation by releasing a striker that can trigger a remote signalling device, enabling quick fault detection.
Can this fuse be used in renewable energy systems?
Yes, it is suitable for protecting power semiconductors in renewable energy inverters such as solar and wind power systems.
Common Search Terms
high-speed semiconductor fuse, Protistor fuse size 70, 690VAC fuse 250A, gR fuse IEC, DIN 110 blade fuse, square body fuse, striker indication fuse, power semiconductor protection fuse
| Manufacturer Part Number | Z301943 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340348873 |
| Height | 133.4mm |
| Width | 39mm |
| Depth | 46mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC70GB69V250D1A |