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MERSEN FUSE A 070 URD 33 LI 1250 A070URD33LI1250
MPN: T300236
Alt. SKU: A070UD33LI1250
Special Price
£180.86
£150.72
Regular Price
£328.85
MERSEN FUSE A 070 URD 33 LI 1250 A070URD33LI1250 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Slotted Blades long A070UD33LI1250?
Engineered for demanding industrial power applications, this high-speed Protistor® fuse offers reliable protection for semiconductor devices, with a robust design and a high interrupting capacity up to 690VAC (IEC) / 700VAC (UL) at 1250A. Its striker feature supports remote status indication and enhanced system safety, ideal for automated control systems.
The square body size 33 construction ensures optimal thermal and electrical performance, while slotted blades simplify integration and secure installation. Compliant with IEC and UL standards, it’s a proven solution for critical power electronics requiring fast, consistent fault interruption.
Product Code: T300236
Key Benefits
- High-speed aR characteristic ensures fast and reliable semiconductor protection.
- Robust ceramic body enhances durability and thermal performance.
- Striker indication system allows for remote fault signalling and improved safety.
- Slotted blade terminals facilitate easy and secure bolted mounting.
- Compliant with IEC 690VAC and UL 700VAC standards for versatile global use.
- High breaking capacity of 200 kA provides superior fault interruption capability.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring size 33 aR fuses rated up to 1250A. It integrates seamlessly with bolted mounting fuse holders designed for slotted blade terminals and is suitable for use in automated control panels and power electronics equipment compliant with IEC and UL standards.
Applications
- Protection of power semiconductors such as thyristors, diodes, and transistors.
- Industrial motor drives and variable frequency drives (VFDs).
- Automation control systems requiring fast fault clearance.
- Power conversion and inverter circuits in renewable energy systems.
- High-power industrial machinery and manufacturing equipment.
Technical Specifications
- Item number: T300236
- Catalogue No: A070UD33LI1250
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Slotted Blades long
- EAN/UPC Code: 3605340325454
- 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: Slotted Blades
- Product Width: 73 mm
- Product Length: 153 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.6298 kg
- Sell Pack Width: 160 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.8766 kg
- Power Dissipation at Rated Current Value: 180 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents quickly to protect sensitive components.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as indicated in the technical specifications.
Can the striker indication system be used for remote signalling?
Yes, the striker indication system is designed to provide a mechanical indication of fuse operation and can be integrated with remote signalling devices for enhanced safety monitoring.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting with slotted blade terminals to ensure secure and reliable installation.
Common Search Terms
High-speed fuse size 33, Protistor fuse 1250A, semiconductor protection fuse, aR fuse 690VAC, striker indication fuse, bolted mounting fuse, slotted blade fuse, industrial power fuse, ceramic body fuse, UL IEC fuse 700V
| Manufacturer Part Number | T300236 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340325454 |
| Height | 153mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33LI1250 |
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