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  • Suraj Electronics And Electricals
  • Suraj Electronics And Electricals

Rotary Switches

Switches Rotary Switches
rotary-switches

Rotary Switches Introduction :

The furniture and modular kitchen industries are the target markets for SURAJ Rotary switches. An actuator on the switch allows for push-to-on and push-to-off functions. High electrical grade Acrylonitrile Butadiene Styrene (ABS) plastic makes up the housing. For a high number of electrical and mechanical actions, the spring-hard grade phosphorous bronze conductor inside the switch is used.

Rotary switches are a type of switch used to control multiple circuits with a single knob or dial. When you turn the knob, it connects different contacts to create a unique circuit configuration, allowing you to select between multiple outputs. They are commonly found in equipment requiring different settings or modes, like audio gear, industrial machines, or even old radios.

Electrical and Mechanical Specifications :

  • Operations : ON-OFF, 2, 3, 4, 6, 7 & 8 ways, VSS, ASS & REV-FOR
  • Housing material : High grade Polybutylene terephthalate (PBT)
  • Rated operating voltage : 250 V. AC & 440 V.AC
  • Rated and uninterrupted current : 16A, 25A, 32A, 40A, 63A, 100A & 125A
  • Poles : 1 pole to 4 pole is the standard range and can be customized to more poles as per clients requirements.
  • Ambient temperature : -10°C to 55°C
  • Rated operating frequency : 50 Hz/60 Hz
  • Rated impulse voltage : 2 Kv for one minute
  • Insulation resistance : >20 Mega Ω
  • Mechanical Life : 20,000 operations
  • Wiping Contacts : Gold/Silver/Nickel coated, Spring hard Phosphorus Bronze.
  • Housing Shade : Khakhi / Black / Grey.
  • Terminations : Copper and Copper Alloy with Zinc Coated High Tensile Mild Steel Screws.

Use of Rotary Switches :

Rotary switches are used in a wide variety of applications where selecting between multiple options or settings is required.

1. Audio and Sound Equipment : Used for switching between different audio sources (e.g., CD player, radio, aux).Found in volume controls, allowing for multiple preset levels.

2. Industrial Control Systems : Employed in heavy machinery to select modes or functions, like forward/reverse or different speed settings. Used in automated manufacturing equipment for mode selection or control panel settings.

3. Telecommunication Equipment : Switching between communication channels or signal paths. Found in older telephone equipment for connecting calls across circuits.

4. Home Appliances : Often used in ovens, fans, and washing machines to switch between different temperature settings, speeds, or cycle options. Common in vintage radios to switch between AM and FM bands or different frequency ranges.

5. Test Equipment and Instrumentation : Used in lab equipment and testing setups to toggle between different measurement ranges or channels. Common in oscilloscopes, multimeters, and signal generators to switch settings precisely.

6. Automotive Applications : Used in vehicle dashboards to control lighting options, HVAC modes, and other vehicle functions. Can be found in older vehicles for ignition switching or mode selection.



Types of Rotary Switches:

Rotary switches come in several types, each suited for different applications. Each type of rotary switch is designed to meet specific functional needs, making rotary switches versatile components in electronic and mechanical applications.

Single-Pole Rotary Switches : These switches have one input (pole) and multiple output connections (throws).Common in applications where one input needs to connect to different outputs, such as selecting between audio sources.

Multi-Pole Rotary Switches : Feature multiple poles, each with its own set of throws, enabling the control of multiple circuits simultaneously.Ideal for complex equipment like mulch-function test instruments where several settings need to be controlled at once.

Shorting (Make-Before-Break) Rotary Switches : Connect to the next position before disconnecting from the previous one.Useful in applications where continuous signal flow is required, such as in audio devices to prevent signal loss or pops.

Non-Shorting (Break-Before-Make) Rotary Switches : Disconnect from one position before connecting to the next.Suitable for settings that need complete isolation between positions, such as channel selection in communication systems.

Binary Coded Rotary Switches : Encoded to represent binary values, where each position corresponds to a unique binary output.Often used in digital systems, such as setting addresses or options on control devices.

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