
K-049-XB Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $17.99 | Condition is New, Weideer Motor Polarity Reversing Rocker Switch Momentary 20A 12V DC Motor Contro, FREE SHIPPING | 98.9% |

The Weideer K-049-XRB Momentary Rocker Switch is an advanced 12V DC motor polarity reversing switch designed to provide maximum flexibility and control for various applications. Measuring only 1.57 inches long, 0.98 inches wide, and 1.06 inches high, this compact switch is perfect for projects where space is limited.
This switch features a momentary operation, meaning it only closes when pressure is applied to the rocker and opens once the pressure is released, making it ideal for applications where quick activation and release are essential. With a maximum current rating of 20 amps, it is robust enough to handle heavy loads.
One of the unique advantages of the Weideer K-049-XRB Momentary Rocker Switch is its motor polarity reversing function. This function allows the switch to reverse the direction of motor rotation by simply switching the Connection A and Connection B wires when using DC motors. This feature is especially useful in projects where you need to reverse the direction of motor rotation, such as in a robotics or automation project.
The switch is also designed with a high-quality, durable construction. It is made with a robust diecast housing, ensuring longevity even in harsh environments. Additionally, the switch's contacts are made from gold-plated brass, which provides excellent conductivity and contributes to the switch's long service life.
The switch includes three terminals, labeled Connection A, Connection B, and Ground, making it easy to wire and install. The switch comes with a 2ft long red and black wiring lead that makes wiring connections simple. The switch is also compatible with various voltage ranges, including 12V, 24V, and 48V, making it a versatile choice for various applications.
Overall, the Weideer K-049-XRB Momentary Rocker Switch is an excellent choice for those seeking a compact, robust, and versatile switch to control DC motors in their projects. Its motor polarity reversing function, momentary operation, and high current rating make it a must-have for automation, robotics, and other application areas where quick and precise control is critical.
Weideer K-049-XB Motor Polarity Reversing Rocker Switch: A Comprehensive Analysis
The Weideer K-049-XB is a 20A, 12V motor polarity reversing rocker switch designed for various applications, particularly for motor control in industrial and DIY projects. Let's explore the pros and cons of this switch to help you make an informed decision.
Pros:1. Motor Polarity Reversing: The primary advantage of this switch is its ability to reverse the direction of the motor with a simple flip, making it a versatile solution for projects where motor direction needs to be changed without having to physically swap wires.
2. 20A Rating: With a 20A current rating, it can handle heavier loads, making it suitable for industrial or high-current applications.
3. Momentary Operation: The switch operates on a momentary basis, meaning it only closes the circuit when pressure is applied, which can help prevent accidental operation or overloading of equipment.
Cons:1. 12V Requirement: The 12V voltage requirement might limit its use in some applications where different voltage power sources are used.
2. Size: With dimensions of approximately 2.0 inches x 1.8 inches x 0.8 inches (51mm x 46mm x 20mm), it may occupy more space than smaller, less featured switches.
3. Potential Complexity: Depending on the application, wiring and control circuits might require additional complexity to ensure proper sequencing and operation of the motor with the rocker switch.
Conclusion:The Weideer K-049-XB offers a simple yet powerful solution for reversing motor polarity in industrial projects or DIY applications that require momentary and heavy-duty switching. Its 20A rating and ability to change motor direction without rewiring make it a desirable choice in these applications. However, it may not be suitable for low-voltage applications or projects requiring smaller switches.
Recommendation:Whether the Weideer K-049-XB is a recommended purchase would depend on the unique requirements of your specific project. For projects that necessitate heavy-duty, momentary motor control and changing motor direction, this switch would prove to be a valuable investment. However, for lighter applications or those with different voltage requirements, you might want to explore alternative switch types better suited to your needs.
Details:
There are arrow signs on the surface.the switch comes with aluminum plate and screws for easy installation. Blue led light can indicate the switch position at night. Switch size: 45x20x45mm/1.75''x0.76''x1.77'' l w. voltage t:15a 250v ac/ 20a12v dc.
The switch has a built-in blue led light. Laser engraved patterns, not easy to fade. Plate: mounting plate, metal, sturdy and durable. Pin quantity:7pin, action:momentary luckless.
Product package:1pcs rocker switch 4pcs connect wires aluminum plate 4 corkscrew. Material: plastic, metal. Contact type:dpdt.: the switch can be used to control various lights on the car and ship.
For example: fog lights, driving headlights, tail off-road etc.
specifications indusswitch:
- brand: Weideer
- mpn: K-049-xb
- part type: Motor Switch
- item dimensions l x w x h: 1.57 X 1.18 X 0.59 Inches
- current rating: 20 Amps
- operating voltage: 250 Volts
- mounting type: Panel Mount
- product dimensions: 1.57 X 1.18 X 0.59 Inches; 2.89 Ounces
- country of origin: China
- connector type: Screws
- terminal: Dpdt
- operation mode: Automatic
- actuator type: Rocker
- contact type: Normally Closed
- switch type rocker: Material Aluminum
- upc: 445026813815
shipping indusswitch:
- class: standard
- type: fixed
- service: standard
- transit: 4-10 days
returns indusswitch:
- time: 30 days
- method: money back
- policy: returns accepted
- paid by: seller
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Rocker Switches
offer indusswitch:
- started: january 26, 2025
- price: $17.99
- item condition: New
- options: ship-to-home
- sold #: 23
- availability: in stock
- in stock #: 1
payments indusswitch:
- credit card: discover
- wallet: google-pay
- other
seller indusswitch:
- rating: 97.1%
- city: denver, colorado
- # reviews: 33
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