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MERSEN FUSE A 070 URD 33 LI 0900 A070URD33LI0900
MPN: Q300233
Alt. SKU: A070UD33LI900
Special Price
£146.28
£121.90
Regular Price
£265.97
MERSEN FUSE A 070 URD 33 LI 0900 A070URD33LI0900 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Slotted Blades long A070UD33LI900?
Engineered for demanding industrial environments, this high-speed Protistor® fuse delivers rapid and reliable protection for power electronics rated up to 900A. Certified to IEC 690VAC and UL 700VAC standards, it ensures safe interruption of damaging currents, minimising equipment downtime and safeguarding critical assets.
The robust square body design and slotted blade terminals enable secure installation and enhanced thermal dissipation. Integrated striker functionality supports remote fuse status indication, streamlining maintenance and improving operational safety.
Technical Specifications
- Item number: Q300233
- Catalogue No: A070UD33LI900
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Slotted Blades long
- EAN/UPC Code: 3605340325393
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 900 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 770 kA²s
- Melting I2t: 130 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Design Details: Standard 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: 135 W
Product Code: Q300233
Key Benefits
- High-speed interruption for enhanced protection of sensitive power electronics.
- Certified to IEC and UL standards ensuring global compliance and safety.
- Robust ceramic square body design for durability in harsh industrial environments.
- Striker indication system allows for quick and safe fuse status verification.
- Silver-plated copper slotted blade terminals provide reliable and secure connections.
- Bolted mounting ensures stable installation and ease of replacement.
- High breaking capacity (200 kA) minimises risk of catastrophic failure.
Compatibility
This fuse is compatible with Size 33 fuse holders and switchgear designed for aR characteristic fuses rated up to 900A. It integrates seamlessly with industrial power distribution systems requiring AC voltage ratings up to 700VAC UL and 690VAC IEC standards.
Applications
- Protection of semiconductor devices such as thyristors and diodes in power converters.
- Industrial motor drives and variable frequency drives (VFDs).
- Power supply units and inverters in renewable energy systems.
- Electrical distribution panels in manufacturing plants and heavy industry.
- Critical infrastructure requiring reliable high-speed fault clearance.
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' (advanced range) speed characteristic means the fuse is designed to protect semiconductor devices by providing high-speed interruption of short-circuit currents while allowing for normal inrush currents, ensuring sensitive components are safeguarded without nuisance tripping.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical signal when the fuse has blown, allowing for quick visual or remote detection of fuse status, which improves maintenance efficiency and safety.
Is this fuse RoHS compliant?
Yes, the fuse is RoHS compliant, ensuring it meets environmental and safety standards restricting hazardous substances.
Common Search Terms
High-speed fuse, Protistor fuse, Size 33 fuse, aR fuse, 900A fuse, 690VAC fuse, UL fuse 700V, striker fuse, semiconductor protection fuse, ceramic fuse, industrial fuse, bolted fuse, slotted blade fuse.
| Manufacturer Part Number | Q300233 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340325393 |
| Height | 153mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33LI900 |
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