Rotary Cam Switches

Rotary Cam Switches Technical Specifications

• Operations : ON-OFF, 2 ways to 8 ways, VSS, ASS & REV-FOR
• Housing material : Acrylonitrile Butadiene Styrene (ABS) plastic for 10A and Glass filled Nylon for (16A to 32A)
• Rated operating voltage : 250 V. AC & 440 V.AC
• Rated and uninterrupted current : 10 A, 16A, 25A, & 32A
• 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 : 1.5 Kv for one minute
• Insulation resistance : >20 Mega Ω
• Contact resistance : <20 milli Ω
• Mechanical Life : 20,000 operations
• Contacts : Silver Bi-Metal
• Housing Shade : Black & Blue
• Terminations: Screw and washer

Use of Rotary Cam Switches :

Rotary cam switches are versatile, multi-position switches widely used in industrial, commercial, and some residential settings. Their ability to handle multiple circuits and high currents makes them invaluable in situations where complex switching is needed.

1. Machinery and Motor Control: Rotary cam switches are frequently used to start, stop, and change the direction of motors in machinery. They allow for selecting between different motor speeds by switching between varying resistance or inductance paths. Many rotary cam switches are used to control forward/reverse functions in motors, especially in conveyor systems, drills, or lathe machines.

2. Power Distribution and Switching : These switches can serve as main isolators for equipment or power panels, allowing operators to safely shut down or isolate equipment from power sources. In distribution boards or control panels, they can control power to various sections, allowing maintenance or load management. Rotary cam switches can switch loads between power sources, like shifting between main power and backup power.

3. Testing and Measurement Equipment : Rotary cam switches help select different testing functions in multimeters and testing stations. For devices that need frequent calibration, rotary cam switches can switch between modes or simulate various conditions.

4. Changeover and Transfer Switches : Rotary cam switches are often used in transfer switches for changing between different sources of power, such as generator and grid power, ensuring a continuous power supply.

Types of Rotary Cam Switches:

Rotary cam switches come in various types, each designed for specific applications and operating environments. These different types provide flexibility for controlling various equipment and electrical systems, making them an essential component in industrial, commercial, and even some residential applications.

Multi-Pole Rotary Cam Switch : Controls multiple circuits simultaneously.Can handle several phases or sections of an electrical system, such as three-phase motors. Ideal for applications requiring control over multiple functions or phases at once.

Changeover Rotary Cam Switch : Designed for switching between two or more power sou res (e.g., switching between a generator and grid power). Often used in power backup systems to ensure a continuous power supply. Can be manually or automatically operated depending on design.

Reversing Rotary Cam Switch : Specifically made for reversing the direction of motors. Common in equipment that needs directional control, such as conveyor belts, drills, and other machinery with forward/reverse motion.

Multi-position Selector Switch : Offers multiple switch positions to control different outputs or functions in a sequence. Often found in test equipment or devices that need to switch between various operational modes. Used in applications like selecting different fan speeds or lighting modes.

Step or Program Rotary Cam Switch : Designed to control complex sequences or programs in industrial machines. Each position corresponds to a different stage of peroration, often used in process automation or machinery with multiple steps. Typically custom-designed for the specific operation sequence.