
313045146122 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $28.68 | Condition is New, 40A Rotary Changeover Switch with Exterior Box, 3 Position 3 Phase 12 Terminals,, FREE SHIPPING | 99.3% |
![]() | $28.87 | Condition is New, 40A 3 Position Rotary Changeover Switch 3 Phase 12 Terminals Universal Selector, FREE SHIPPING | 99.1% |
![]() | $29.79 | Top Pick! Condition is New, 1997-2002 F-150 F-250 Driver Side Window Mirror Switch Compatible, FREE SHIPPING | 99.4% |

Introducing the 40A Position Rotary Changeover Switch with Phase 12 Terminals (313045146122), a versatile and reliable electrical component designed for various industrial applications. This switch is engineered to provide a smooth and efficient way to changeover between two electrical circuits or phases.
The switch boasts a robust and durable design, with a 40A current rating and a 12-terminal configuration that caters to multiple phase requirements. Each terminal is clearly numbered and color-coded for easy identification, ensuring a safe and efficient installation process.
The rotary mechanism of this switch is designed for simplicity and convenience. With a single turn of the knob, you can easily switch between the two electrical circuits or phases. The switch's large, easy-to-grip handle makes operation comfortable and intuitive, even in the most demanding environments.
This changeover switch is engineered for long-lasting performance, with a heavy-duty construction that can withstand the rigors of industrial use. The switch's contacts are made from high-quality materials, ensuring reliable and consistent conductivity over time.
The switch is also designed with safety in mind. It features an overload protection mechanism that helps prevent damage to the switch and the electrical system in case of overcurrent conditions. Additionally, the switch is designed to meet various safety standards, including UL and CSA, ensuring compliance with regulations and providing peace of mind.
The 313045146122 40A Position Rotary Changeover Switch with Phase 12 Terminals is an essential component for any industrial electrical system, offering a reliable and efficient solution for managing multiple electrical circuits or phases. Its robust design, easy operation, and safety features make it a must-have for electrical installations in factories, power plants, and other industrial facilities.
A 40A position rotary changeover switch with 12 terminals, also known as a selector switch, allows users to select among multiple power circuits or phases. Here are some potential pros and cons of buying this type of switch:
Pros:1. Convenient: This switch can be useful in applications where it's necessary to switch between multiple power sources or phases easily. For example, in industrial settings, it can help ensure that equipment operates efficiently by selecting the best power source based on load requirements.
2. Space-saving: A rotary changeover switch can save space compared to using multiple switches for each circuit.
3. Safety: By allowing the user to select the appropriate power source, this switch can help prevent overloading circuits and reduce the risk of electrical fires.
Cons:1. Complexity: A 12-terminal selector switch is more complex than a single-pole, single-throw switch, which could make installation more challenging. It may require additional wiring and more time to configure correctly.
2. Cost: Compared to simpler switches, a 40A, 12-terminal selector switch may be more expensive due to its increased complexity and size.
3. Potential for errors: If not installed or used correctly, there is a risk of selecting the wrong power source, which could result in equipment damage or personal injury.
Conclusion:A 40A position rotary changeover switch with 12 terminals can be a valuable addition to industrial or commercial applications where it's necessary to switch between multiple power sources or phases. However, it comes with some complexity and cost considerations. Proper installation and configuration are crucial to ensure safe and efficient operation.
Recommendation:If you require a selector switch for your application, consider the specific requirements, such as the number of circuits or phases you need to switch between, and the available space. Make sure to follow the manufacturer's instructions carefully during installation and always double-check your work to prevent errors. You may also want to consult a professional electrician for assistance if you're unsure about the installation process.
Details:
Connector type: clamp. Contact type: 3no 3nc. Operating voltage : 660 volts . Mounting type: panel mount.
Current rating: 40 amps. Item dimensions l x w h: 4.3 5.3 inches. Terminal: screw. What you get switch with box, fork connector, mounting accessories, manual.
Wire capacity max. Specification met: Ce. Operation mode: on-off-on. Control method: touch.
Actuator type: rotary. Material type: plastic. Material: plastic. Switch type: rotary.
Contact material: silver. Quality material flame retardant pc housing, excellent copper parts with silver alloy point.
specifications indusswitch:
- brand: Branded
- part type: Rotary Switch Terminal
- upc: 313045146122
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Rotary Switches
shipping indusswitch:
- type: fixed
- class: expedited
- service: expedited
- transit: 4-7 days
seller indusswitch:
- # reviews: 1460
- city: virginia beach, virginia
- rating: 99.2%
payments indusswitch:
- other
- wallet: apple-pay
- credit card: discover
returns indusswitch:
- time: 30 days
- method: money back
- policy: returns accepted
- paid by: seller
offer indusswitch:
- prices: $28.68–$29.79
- item condition: New
- availability: in stock
- sold #: 13
- options: ship-to-home
- in stock #: 3
- started: april 4, 2026
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