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MERSEN FUSE A 070 URD 31 KI 0550 A070URD31KI0550
MPN: Z300034
Alt. SKU: A070UD31KI550
Special Price
£104.62
£87.18
Regular Price
£190.20
MERSEN FUSE A 070 URD 31 KI 0550 A070URD31KI0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades?
The Square Body High-Speed Fuse Protistor® Size 31 delivers reliable circuit protection for demanding industrial applications. Designed for high fault current interruption up to 550A, it ensures rapid response times and superior performance, safeguarding sensitive components in power conversion and distribution systems.
Compliant with IEC and UL standards, this fuse features slotted blades and an integrated striker, offering straightforward installation and reliable remote-fault indication. Its robust construction and high-speed characteristics make it an ideal solution for critical applications where maximum system uptime is essential.
Product Code: Z300034
Key Benefits
- High-speed aR characteristic for rapid fault clearing
- Rated for 550A with 200 kA breaking capacity ensuring robust protection
- Compliant with IEC 690VAC and UL 700VAC standards
- Integrated striker for reliable remote-fault indication
- Silver-plated copper slotted blade terminals for secure connections
- Ceramic body providing excellent insulation and durability
- Bolted mounting for easy and secure installation
Compatibility
This fuse is compatible with industrial power distribution systems requiring semiconductor protection fuses. It fits fuse holders designed for Size 31 fuses with bolted mounting and is suitable for use in systems operating at rated voltages up to 700V AC under IEC and UL standards.
Applications
- Protection of power semiconductor devices such as thyristors and diodes
- Industrial motor drives and converters
- Power distribution panels and switchgear
- Renewable energy systems including solar inverters
- High-speed electronic circuits requiring fast fault interruption
Technical Specifications
- Item number: Z300034
- Catalogue No: A070UD31KI550
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades short
- EAN/UPC Code: 3605340322583
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 310000 A²s
- Melting I2t: 52000 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: 75 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates it is a high-speed fuse designed specifically for semiconductor protection, capable of quickly interrupting fault currents to protect sensitive devices.
Is this fuse suitable for 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 system provides a mechanical indication of fuse operation, which can be used for remote fault signalling to alert maintenance personnel of a blown fuse.
Can this fuse be used in renewable energy systems?
Yes, it is suitable for use in renewable energy applications such as solar inverters where high-speed semiconductor protection is required.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 31 fuse, aR fuse, 550A fuse, 690VAC fuse, 700VAC fuse, striker fuse, slotted blade fuse, bolted mounting fuse, ceramic body fuse, industrial fuse
| Manufacturer Part Number | Z300034 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322583 |
| Height | 129mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD31KI550 |
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