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MERSEN FUSE A 070 URD 31 KI 0800 A070URD31KI0800
MPN: A301070
Alt. SKU: A070UD31KI800
Special Price
£128.17
£106.81
Regular Price
£233.04
MERSEN FUSE A 070 URD 31 KI 0800 A070URD31KI0800 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades?
This high-speed fuse delivers reliable protection for power semiconductors in demanding industrial applications, rated at 800A with exceptional breaking capacity up to 690VAC (IEC) and 700VAC (UL), ensuring safety and circuit integrity.
The integrated striker provides remote indication for rapid fault detection, while slotted blades facilitate secure and straightforward installation. Engineered for minimal energy let-through and consistent performance, it is ideal for critical drives and inverter systems.
Product Code: A301070
Key Benefits
- High breaking capacity of 200 kA ensures robust protection against short circuits.
- Integrated striker indication system enables quick and remote fault detection.
- Silver-plated copper slotted blade terminals provide excellent conductivity and secure connections.
- Ceramic body offers superior insulation and durability under harsh conditions.
- Bolted mounting ensures stable and safe installation.
- Compliant with RoHS standards, supporting environmental safety.
Compatibility
This fuse is compatible with industrial semiconductor protection applications requiring a high-speed response and rated for 690VAC (IEC) and 700VAC (UL) systems. It suits installations with bolted mounting and is designed to integrate seamlessly with equipment utilising size 31 fuse holders.
Applications
- Protection of power semiconductors in variable frequency drives and inverters.
- Industrial motor control circuits requiring high-speed fuse protection.
- Power electronics and converter protection in manufacturing plants.
- Critical industrial automation systems demanding reliable fault interruption.
- High-current AC circuits in heavy machinery and process control.
Technical Specifications
- Item number: A301070
- Catalogue No: A070UD31KI800
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades short
- EAN/UPC Code: 3605340336320
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 800 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 880000 A²s
- Melting I2t: 140000 A²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Slotted Blades
- Product Width: 51 mm
- Product Length: 129 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.203 kg
- Sell Pack Width: 157 mm
- Sell Pack Length: 166 mm
- Sell Pack Height: 62 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.401 kg
- Power Dissipation at Rated Current Value: 120 W
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, providing rapid interruption of short-circuit currents to protect sensitive components.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as indicated in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication of fuse operation, allowing for remote signalling and quick identification of a blown fuse without dismantling equipment.
Can this fuse be used in UL-certified equipment?
Yes, this fuse meets UL voltage ratings up to 700 V and is suitable for use in UL-certified systems within its specified ratings.
Common Search Terms
high-speed fuse, semiconductor protection fuse, size 31 fuse, aR fuse, 800A fuse, 690VAC fuse, 700VAC fuse, striker fuse, slotted blade fuse, industrial fuse, Protistor fuse
| Manufacturer Part Number | A301070 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340336320 |
| Height | 129mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD31KI800 |
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