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MERSEN FUSE 6,9 URD 33 D11 A 1250 6,9URD33D11A1250
MPN: B300266
Alt. SKU: PC33UD69V12CD1A
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker DIN 110 Blades PC33UD69V12CD1A?
Engineered for demanding industrial and power distribution applications, this high-speed fuse delivers rapid, reliable circuit protection for sensitive equipment, supporting up to 1250A at 690VAC (IEC) and 700VAC (UL). The robust square body design ensures mechanical stability and consistent performance, meeting stringent international standards.
Equipped with a striker for remote signalling, DIN 110 blade terminations enable straightforward installation and replacement, minimising downtime. Ideal for safeguarding semiconductors and power electronics, this Protistor® fuse maximises operational safety and system uptime in high fault-current environments.
Technical Specifications
- Item number: B300266
- Catalogue No: PC33UD69V12CD1A
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340326055
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 1250 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 2053 kA²s
- Melting I2t: 355 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Design Details: Reinforced Terminal
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 110 Blades
- Product Width: 73 mm
- Product Length: 134.6 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.622 kg
- Sell Pack Width: 140 mm
- Sell Pack Length: 240 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.874 kg
- Power Dissipation at Rated Current Value: 180 W
Product Code: B300266
Key Benefits
- High-speed aR characteristic for fast and reliable semiconductor protection.
- Robust square body design ensures mechanical stability and durability.
- Striker indication system allows for easy remote signalling of fuse operation.
- DIN 110 blade terminals facilitate quick and secure installation.
- Rated for high breaking capacity (200 kA) to handle severe fault conditions.
- Ceramic insulating body provides excellent thermal and electrical insulation.
- RoHS compliant, supporting environmental and safety standards.
Compatibility
This fuse is compatible with industrial and power distribution systems requiring high-speed semiconductor protection. It fits fuse holders and switchgear designed for Size 33 aR fuses with DIN 110 blade terminals. Suitable for use in systems operating up to 690VAC IEC and 700VAC UL standards.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and variable frequency drives.
- Power distribution panels and switchgear.
- Renewable energy systems including solar inverters and wind turbines.
- High fault-current electrical networks requiring fast fuse operation.
Frequently Asked Questions
What does the "aR" characteristic mean?
The "aR" characteristic indicates that the fuse is a high-speed semiconductor fuse designed to protect power semiconductors by interrupting short-circuit currents rapidly.
Can this fuse be used in DC applications?
No, this 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 operated, allowing for remote signalling to alert maintenance personnel of fuse status.
Is this fuse RoHS compliant?
Yes, this fuse complies with RoHS standards, ensuring it meets environmental and safety regulations.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, Size 33 fuse, DIN 110 blade fuse, Protistor fuse, 1250A fuse, 690VAC fuse, 700VAC fuse, industrial fuse, power distribution fuse, striker fuse indicator, ceramic body fuse
| Manufacturer Part Number | B300266 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340326055 |
| Height | 134.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC33UD69V12CD1A |