RP420005

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Power Relays, Over 2 Amps

The RP420005 power relay is a heavy-duty, single contact, power form relay with a well-proven contact design. It is capable of switching up to 2 amps of current and can be used to safely switch higher voltages. The relay is enclosed in an impact-resistant housing and is designed to be reliable and durable.

Operation Voltage

The RP420005 has a maximum continuous operating voltage rated at 1000 Volts AC and a maximum surge voltage rated at 3000 Volts. It is designed to be used with single-phase 120VAC systems with a standard three-wire configuration. This makes it an ideal choice for industrial equipment, lighting, and power applications.

Switch Contacts

The RP420005 is equipped with three switch contacts and can be used to switch off and on one or more components. These switch contacts are normally open BE/BC type contacts. The contact material is silver tin oxide with a contact rating of 2 amps. The operating temperature range is between -25°C and +70°C and the coil insulation class is F.

Mounting and Configuration

The RP420005 is installed using a single mounting screw and can be directly mounted to most surfaces. It also comes with a standard configuration cable for connection to the system. The cable has two insulated wires with an insulation rating of 250VAC and one ground wire. The relay is rated for a maximum operating frequency of 50/60Hz.

Hysteresis

The RP420005 also offers hysteresis protection. This is a feature that enables the relay to continuously monitor the current and voltage within its operating range. Hysteresis allows the relay to detect any voltage or current fluctuations that are outside its operating range and will act to open the switch contacts immediately and disconnect the power before damage can occur.

Operating Principle

The RP420005 utilizes a single-pole single-throw (SPST) contact arrangement which is capable of switching any number of voltage sources on or off. The relay consists of an electromagnet which, when energized, causes a switch arm to open or close depending on the applied voltage. When the voltage falls below a certain level, typically 0.7-0.9V, the electromagnet releases and the switch arm opens. When voltage is reapplied, the electromagnet will be energized again and the switch arm will close.

Applications

The RP420005 is commonly used for controlling industrial equipment, lighting, and motor speed. It is also used in applications such as reverse polarity protection, overvoltage protection, overcurrent protection, and short-circuit protection. The relay is well suited for providing reliable switching solutions in applications where small size and low power consumption are critical.

Conclusion

The RP420005 power relay is a reliable and durable product with a well-proven contact design. It is capable of switching up to 2 amps of current and can be used to safely switch higher voltages. The relay offers hysteresis protection and is ideal for industrial and power applications. With its small size and low power consumption, it is an ideal choice for a wide variety of switching solutions.

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