LITTELFUSE 576-460-B Spdt Relay 340-480VAC 2-800A 3PH

( Brand: Littelfuse ), ( Manufacturer Part Number: 576-460-B )

Review LITTELFUSE Industrial Relays 340-480vac Spdt 3ph Mon Relay

The Littelfuse 576-460-B is a three-phase, single-pole, double-throw (SPDT) relay designed for heavy-duty applications requiring high current handling capabilities. This relay operates on AC voltages ranging from 340 to 480 volts, making it a versatile solution for various industrial automation systems.

The 576-460-B relay boasts a current rating of 2000 amperes, ensuring it can handle large current flows within a circuit. Its SPDT configuration allows for two separate contacts, each capable of controlling an individual circuit or load. The contacts are mechanically operated and are rated for 105 degrees Celsius ambient operating temperature.

The contact opening and closing are achieved through the operation of a copper-alloy armature, which is actuated by a coil winding. The coil can be energized via a standard low-voltage control circuit, and the relay has a contact bounce time of approximately 15 milliseconds. The coil requires a minimum voltage of 115% of the relay's rated voltage to ensure proper operation when used in applications with low voltage dips.

The relay housing is designed with a rugged base to ensure durability in harsh industrial environments. It is also sealed against ingress of solid particles, making it resistant to the effects of dust and other environmental contaminants. Each relay comes with spare contacts that can be added during installation to enhance the overall system's reliability.

Overall, the Littelfuse 576-460-B relay is an ideal component for various heavy-duty industrial applications requiring large current handling capabilities and reliable operation, making it a trusted solution from a reputed manufacturer like Littelfuse.

Littelfuse 576-460-B relays are heavy-duty, SPDT (Single-Pole Double-Throw), 3-phase AC relays designed for applications requiring high current handling capability. These relays offer several benefits and drawbacks, depending on the specific requirements of your project.

1. High Current Handling: These relays can handle a current up to 800 Amps, making them suitable for heavy-duty industrial applications requiring high current switching.

2. 3-Phase AC Compatibility: The relay's 3-phase AC compatibility makes it ideal for power distribution systems, motors control, and similar applications.

3. Robust Design: Littelfuse 576-460-B relays are designed to provide long-term reliability and durability, making them a preferred choice in industrial applications where component failure could lead to significant downtime or safety risks.

4. Separate Coil and Contact Circuits: The separate coil and contact circuits help minimize the risk of arcing and marry-in-the-make, ensuring safer operation.

1. Size and Weight: Due to their robust construction and high current handling capability, these relays are significantly larger and heavier than standard relays. This can increase the overall size and weight of your application, as well as the cost.

2. Cost: The cost of these relays is higher compared to standard relays due to their larger size, higher current handling capabilities, and robust design.

3. Complex Installation: The installation process for these relays can be more complex compared to standard relays due to their larger size and the need for separate coil and contact circuits.

4. Limited Number of Contacts: The Littelfuse 576-460-B relays come with a limited number of contacts, which may not be suitable for applications requiring multiple contacts or complex switching arrangements.

The Littelfuse 576-460-B relays offer several advantages, including high current handling, 3-phase AC compatibility, robust design, and separate coil and contact circuits. However, they also have some disadvantages, like size, weight, cost, complex installation, and a limited number of contacts. These relays may be a good choice for heavy-duty industrial applications requiring high current switching, but their larger size, complexity, and higher cost may make them less suitable for smaller projects or applications with limited space or budget.

If you are designing a heavy-duty industrial application requiring high current switching and 3-phase AC compatibility, the Littelfuse 576-460-B relays could be a good choice due to their robust design and reliable performance. However, consider the size, weight, cost, and installation complexities carefully and weigh them against the benefits before making a final decision. For smaller applications or those with limited budgets or space constraints, you may want to consider alternative relay types with lower current handling capabilities and fewer contacts.

Details:

Industrial Relays 340-480VAC 2-800A SPDT 3PH V MON Relay:: Littelfuse #460-B - 3-PHASE VOLT MON/ 190-480V/AD.

part #: 576460 prices

• $980.26-$1047.99

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• brand: Littelfuse
• manufacturer part number: 576-460-B

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