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MERSEN FUSE A 120 URD 72 LI 0630 A120URD72LI0630
MPN: Y300677
Alt. SKU: A120UD72LI630
Special Price
£125.05
£104.21
Regular Price
£227.36
MERSEN FUSE A 120 URD 72 LI 0630 A120URD72LI0630 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Slotted Blades long A120UD72LI630?
The A120UD72LI630 fuse delivers reliable high-speed protection for critical power electronics, rated at 1100VAC (IEC) and 1200VAC (UL) with a 630A current capacity. Its advanced Protistor® technology ensures rapid fault clearance, safeguarding sensitive semiconductor devices in demanding industrial environments.
Engineered with robust, square-body construction and precision slotted blades, this fuse features an integrated striker for remote indication and system safety. It meets stringent IEC and UL standards, offering consistent performance, easy integration, and enhanced uptime for your installations.
Product Code: Y300677
Key Benefits
- High-speed protection for sensitive semiconductor devices
- Rated for 1100VAC (IEC) and 1200VAC (UL) applications
- 630A current rating suitable for demanding industrial loads
- Robust ceramic body ensures durability and insulation
- Integrated striker indication system for remote fault detection
- Silver-plated copper slotted blades for reliable connections
- Meets IEC and UL standards for safety and performance
Compatibility
This fuse is compatible with fuse holders and switchgear designed for Size 72 aR high-speed fuses. It integrates seamlessly into systems requiring bolted mounting and supports applications within semiconductor protection fuse groups.
Applications
- Protection of power semiconductors in industrial drives
- High-speed fault clearance in power electronics
- Use in inverters, converters, and UPS systems
- Safeguarding critical industrial automation equipment
- Electrical distribution systems requiring high breaking capacity
Technical Specifications
- Item number: Y300677
- Catalogue No: A120UD72LI630
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Slotted Blades long
- EAN/UPC Code: 3605340332049
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 630 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 690 kA²s
- Melting I2t: 106.3 kA²s
- 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: Slotted Blades
- Product Width: 59 mm
- Product Length: 157.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.1699 kg
- Sell Pack Width: 150 mm
- Sell Pack Length: 190 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.7233 kg
- Power Dissipation at Rated Current Value: 125 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a high-speed fuse designed for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive devices.
Is this fuse suitable for 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 integrated striker provides a mechanical indication of fuse operation, allowing remote signalling to alert maintenance personnel of a blown fuse.
Can this fuse be used in standard fuse holders?
This fuse requires holders or switchgear designed for Size 72 aR fuses with bolted mounting and slotted blade connections.
Common Search Terms
High-speed fuse, Protistor fuse, Size 72 fuse, 630A fuse, semiconductor protection fuse, 1100VAC fuse, 1200VAC fuse, striker fuse, slotted blade fuse, industrial fuse, bolted fuse, ceramic body fuse
| Manufacturer Part Number | Y300677 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340332049 |
| Height | 157.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | A120UD72LI630 |
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