We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE A 120 URD 70 LI 0350 E300660
MPN: E300660
Alt. SKU: A120UD70LI350
Special Price
£85.98
£71.65
Regular Price
£156.32
MERSEN FUSE A 120 URD 70 LI 0350 E300660 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 aR 1100VAC IEC 1200VAC UL 350A With Striker Slotted Blades long A120UD70LI350?
This high-speed fuse delivers reliable circuit protection for high-power semiconductor applications, ensuring rapid fault interruption up to 350A at voltages of 1100VAC (IEC) and 1200VAC (UL). Its robust square body, striker mechanism, and slotted blade terminals enable fast installation and integration in demanding industrial environments.
Engineered for consistent performance and compliance with IEC and UL standards, the A120UD70LI350 minimises downtime by swiftly isolating faults, safeguarding critical equipment, and supporting operational continuity.
Technical Specifications
- Item number: E300660
- Catalogue No: A120UD70LI350
- Description: Square Body High-Speed Fuse Protistor® Size 70 aR 1100VAC IEC 1200VAC UL 350A With Striker Slotted Blades long
- EAN/UPC Code: 3605340331790
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 350 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 70
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 180000 A²s
- Melting I2t: 27800 A²s
- 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: 39.8 mm
- Product Length: 152.4 mm
- Product Height: 49.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.1298 kg
- Sell Pack Width: 133 mm
- Sell Pack Length: 157 mm
- Sell Pack Height: 54 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3766 kg
- Power Dissipation at Rated Current Value: 75 W
Product Code: E300660
Key Benefits
- High-speed interruption for rapid fault clearing, minimising equipment damage.
- Robust ceramic body ensures durability and reliable insulation.
- Striker indication system provides clear visual fault indication.
- Silver-plated copper slotted blades enable secure and easy installation.
- Complies with both IEC and UL standards for versatile global use.
- Bolted mounting ensures stable and vibration-resistant connection.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring Size 70 aR fuses rated up to 350A at high AC voltages. It integrates seamlessly with bolted mounting fuse holders designed for Protistor® fuses and is suitable for use in equipment conforming to IEC and UL standards.
Applications
- Protection of power semiconductors in industrial drives and inverters.
- Circuit protection in power distribution systems.
- High-speed fault isolation in motor control centres.
- Use in renewable energy systems such as photovoltaic inverters.
- Protection of transformers and capacitors in industrial installations.
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that this fuse is a semiconductor fuse designed for protection of power electronic devices, providing high-speed interruption of short-circuit currents.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical visual signal by releasing a striker when the fuse element melts, allowing quick identification of a blown fuse without disassembly.
Is this fuse compatible with UL and IEC standards?
Yes, the fuse is rated for 1200VAC under UL and 1100VAC under IEC standards, ensuring compliance with both certification requirements.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse size 70, 350A fuse, 1100VAC fuse, 1200VAC fuse, striker fuse, slotted blade fuse, bolted mounting fuse, ceramic body fuse
| Manufacturer Part Number | E300660 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340331790 |
| Height | 152.4mm |
| Width | 39.8mm |
| Depth | 49.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | A120UD70LI350 |
Write Your Own Review
