LA070URD30LI0550 Allicdata Electronics
Allicdata Part #:

LA070URD30LI0550-ND

Manufacturer Part#:

LA070URD30LI0550

Price: $ 190.49
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: FUSE SQUARE 550A 700VAC RECT
More Detail: N/A
DataSheet: LA070URD30LI0550 datasheetLA070URD30LI0550 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
1 +: $ 173.17400
Stock 1000Can Ship Immediately
$ 190.49
Specifications
Applications: Electrical, Industrial
Melting I²t: 52
Size / Dimension: 5.850" L x 1.575" W x 1.575" H (148.60mm x 40.00mm x 40.00mm)
Package / Case: Rectangular, Blade
Mounting Type: Bolt Mount
Breaking Capacity @ Rated Voltage: 200kA
Operating Temperature: --
Approvals: UR
Class: --
Features: --
Series: POWR-GARD® LA
Response Time: Fast
Voltage Rating - AC: 700V
Current Rating: 550A
Fuse Type: Square
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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Electrical substations are a critical part of power networks worldwide, and are thus a key component of the infrastructure. Substation safety is always of paramount importance, thus any special equipment used at these sites must meet strict safety regulations.

LA070URD30LI0550 is an electrical speciality fuse obtained with the Special Fuses and Disconnectors device. This product series, in order to operate safely and perform reliably, requites the use of a LA070URD30LI0550 fuse. Successful safety and reliability in power substations depend on proper application of speciality fuses, such as the LA070URD30LI0550. It is a UL-Listed, IEC- certificed fuse that serves as a high-power, cost-effective safety solution for high-current power networks.

The LA070URD30LI0550 speciality fuse utilizes a UL-Listed combination cartridge fuse element, which is designed to provide current-limiting protection even during short-time overloads. The curved-limiting action of the fuse is designed to constantly interrupt the flow of current in the circuit, allowing it to reset each time the overload or short-circuit occurs. The current-limiting features of the fuse can prevent damages in the power grid from possible impulsive surges.

The LA070URD30LI0550 has a rated current rating of 70 amps, and can therefore protect equipment from short-term or overload currents of up to 70 amps. It is suitable for use in both indoor and outdoor applications where a high-efficiency fusing is required. The UL-Listed electrical connections for the fuse provide a safe connection into the circuit, ensuring that even in the case of a short-circuit, the current will not be able to travel beyond the fuse box.

When the LA070URD30LI0550 electrical speciality fuse is correctly applied in a power distribution system, it provides sufficient protection over the complete range of current levels. The fuse element will select and interrupt the fault current before the fault current reaches the level where overloads or short-circuits can cause damage to the power grid. The fuse also maximizes circuit protection and increases the life of the equipment and devices in the system.

The LA070URD30LI0550 electrical speciality fuse is available with two pole or three pole options. The two-pole application of the fuse allows for protection of two lines while the three-pole version can protect three lines. It also has a UL-Listed Class R current limiting time delay which helps prevent nuisance tripping in motor-start applications. The LA070URD30LI0550 was tested in accordance with the applicable UL Standard, and successfully passed all tests.

The LA070URD30LI0550 speciality fuse can be used to provide protection from impulsive over- and under-voltages, as well as protection of low or high impedance binding equipment connected to the power lines. The speciality fuse also helps to protect personnel in case of a fault, and is capable of safely extracting personnel from power lines and other hazardous locations. It is also useful for protection of critical network components against power outages and short-circuits.

To summarize, the LA070URD30LI0550 is a beneficial speciality fuse to be used in power networks for the purpose of high-efficiency fusing. It is UL-Listed with an IEC-certified fuse element, current-limiting features, and can be used with two-pole or three-pole options. Furthermore, it is useful for both indoor and outdoor applications where a high-efficiency fusing is required.

The specific data is subject to PDF, and the above content is for reference

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