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MERSEN FUSE 6,9 URD 33 TT F 1250 6,9URD33TTF1250
MPN: D300084
Alt. SKU: PC33UD69V1250TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Flush Ends Metric Threads PC33UD69V1250TF?
Engineered for demanding industrial applications, this high-speed Protistor® fuse offers rapid fault interruption up to 1250A, ensuring superior protection for power semiconductors and critical equipment. Its square body design, compatible with 690VAC IEC and 700VAC UL systems, provides robust performance and exceptional reliability in high-current environments.
Featuring integrated striker flush ends and metric threads, this fuse enables safe, precise installation and facilitates remote signalling for advanced monitoring. Certified to international standards, it is ideal for switchgear, drives, and inverter systems where maximum uptime and component safety are paramount.
Product Code: D300084
Key Benefits
- Rapid fault interruption with high-speed aR characteristic for semiconductor protection
- Robust square body design ensures durability in demanding industrial environments
- Compatible with both IEC 690VAC and UL 700VAC systems for versatile application
- Integrated striker flush ends provide clear indication of fuse operation
- Metric threads facilitate secure and precise bolted mounting
- Ceramic insulating body offers excellent thermal and mechanical stability
- Silver-plated brass terminals ensure reliable electrical connection
Compatibility
This fuse is compatible with switchgear, inverter systems, and drives requiring high-speed semiconductor protection at voltages up to 700VAC UL and 690VAC IEC. It fits fuse holders designed for size 33 fuses with bolted mounting and flush end terminals.
Applications
- Protection of power semiconductors in industrial drives and inverters
- Switchgear and control panels in manufacturing plants
- High-current electrical distribution systems
- Renewable energy systems requiring fast-acting fuse protection
- Critical equipment requiring reliable fault interruption and indication
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR (partial range) characteristic indicates that the fuse is designed for high-speed interruption of semiconductor circuits, providing protection against short circuits while allowing normal operational overload currents.
Can this fuse be used in DC circuits?
No, this specific fuse is rated for AC applications only, as indicated by its AC voltage ratings and specifications.
How does the striker indication system work?
The integrated striker mechanism provides a visual and mechanical indication when the fuse has operated, enabling quick identification of blown fuses without disassembly.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards for hazardous substances.
Common Search Terms
High-speed fuse, Protistor fuse, semiconductor protection fuse, size 33 fuse, 1250A fuse, 690VAC fuse, 700VAC fuse, striker fuse, bolted fuse, ceramic body fuse, industrial fuse, inverter protection fuse.
Technical Specifications
- Item number: D300084
- Catalogue No: PC33UD69V1250TF
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340323276
- 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 Brass
- Connection/Terminal Type: Flush ends
- Product Width: 73 mm
- Product Length: 50.6 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.4168 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 245 mm
- Sell Pack Height: 95 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.8056 kg
- Power Dissipation at Rated Current Value: 150 W
| Manufacturer Part Number | D300084 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340323276 |
| Height | 50.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC33UD69V1250TF |