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General Purpose Relay

General purpose relays are standardized relay products suitable for a variety of applications, with wide compatibility and flexibility. These relays are usually designed to be modular and can be easily integrated into different types of control systems to meet diverse control needs. General purpose relays are widely used in industrial automation, household appliances, communication equipment and other fields, and are a common choice in various control applications.

More Product Questions And Answers

What is a general purpose relay and what is it used for?

A general purpose relay is a versatile electromagnetic relay designed for a broad range of switching and control applications. They are used to control motors, lights, solenoids and other electrical loads in response to signals from sensors, switches, control modules and logic devices.

  • Coil voltage rating (AC or DC) and resistance/power consumption
  • Contact type (normally open, normally closed, changeover)
  • Contact material (silver, gold, etc.) and ratings for voltage, current and power
  • Operate and release times
  • Mechanical endurance (number of operations)
  • Mounting type (plug-in, PCB, panel/surface mount)
  • Coil voltage – should match the available control signal voltage
  • Contact ratings – must exceed load requirements with a safety margin
  • Number and type of contacts – determined by switching configuration
  • Expected mechanical and electrical life based on frequency of operation
  • Operating environment – consider temperature, humidity, vibration etc.
  • Physical size and terminal layout to fit available space

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