
L42AD11 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.99 | Top Pick! Condition is New – Open box, KATKO RT 340 MOTOR DISCONNECT SWITCH /DOOR MOUNTNG , FREE SHIPPING | 99.8% |
![]() | $24.99 | Condition is New – Open box, KATKO KS 132S MOTOR DISCONNECT SWITCH , FREE SHIPPING | 99.8% |
![]() | $29.99 | Top Pick! Condition is New – Open box, KATKO RT 340 MOTOR DISCONNECT SWITCH (RT 340 L42AD11) DOOR MOUNTING , FREE SHIPPING | 99.8% |

The Katko L42AD11 KS 132S Motor Disconnect Switch is a versatile and essential component for any vehicle or machinery system where the ability to safely disconnect the motor from the power source is necessary. This switch, manufactured by Katko, is designed with a compact and robust construction, making it ideal for use in harsh environments.
The Katko L42AD11 KS 132S Motor Disconnect Switch is a 1-pole, 3-position switch, which means it can be used to disconnect the motor from the power source in three different ways. In the "ON" position, the motor is connected to the power source and can operate. In the "OFF" position, the motor is disconnected from the power source, ensuring safety during maintenance or repair work. The third position is the "LOCKOUT" position, which prevents the switch from being moved to the "ON" position accidentally, providing an additional layer of safety.
This switch is rated for a maximum voltage of 600V AC and a maximum current of 250A. It is constructed from high-quality materials, including a polyamide housing and contact material made of silver-plated copper, ensuring reliable operation even under heavy loads and extreme temperatures. The switch also features a clear and easy-to-read marking for each position and a locking mechanism to secure the switch in place.
Installation of the Katko L42AD11 KS 132S Motor Disconnect Switch is straightforward, with clear instructions provided in the product packaging. The switch is designed to fit standard mounting holes, making it easy to integrate into existing systems. The switch also comes with a gasket and mounting screws, ensuring a secure and watertight installation.
In summary, the Katko L42AD11 KS 132S Motor Disconnect Switch is a high-quality, versatile, and essential component for any vehicle or machinery system where motor disconnection is necessary. Its compact and robust construction, combined with its reliable operation and easy installation, make it an excellent choice for professionals and DIY enthusiasts alike.
The Katko L42AD11 KS 132S motor disconnect switch is a device designed to provide safe electrical disconnection from a motor or machine. Here are some potential pros and cons of buying this switch:
Pros:1. Safety: The primary function of a motor disconnect switch is to ensure safety by allowing operators to disconnect power to the motor before performing maintenance or repairs.
2. Convenience: The switch is designed to be easy to use, with a lever or handle that can be operated with one hand.
3. Durability: The switch is made of heavy-duty materials and is designed to withstand frequent use.
4. Compliance: Using a motor disconnect switch can help ensure compliance with various safety regulations and industry standards.
Cons:1. Cost: The switch may represent an additional cost for those who do not currently have one installed in their equipment.
2. Complexity: Installing the switch may require some electrical knowledge and skills, which could add to the overall cost and time involved.
3. Size: Depending on the specific application, the switch may take up some additional space, which could be a concern for those with limited room.
In conclusion, the Katko L42AD11 KS 132S motor disconnect switch can provide important safety benefits and help ensure compliance with regulations. However, it does represent an additional cost, and installation may require some electrical knowledge and skills. Ultimately, the decision to purchase this switch will depend on the specific needs and resources of the individual or organization.
If safety is a top priority, and the cost and installation requirements are manageable, then the Katko L42AD11 KS 132S motor disconnect switch is a worthwhile investment. It can help ensure the safe operation of equipment and reduce the risk of injuries or accidents. However, if budget or space constraints are a concern, then it may be worth considering alternative solutions or prioritizing other investments.
Details:
Switch only, no knob included. Katko rt 340 motor disconnect switch rt L42AD11, new open box condition.
specifications indusswitch:
- brand: Katko
- mpn: L42ad11
- model: Ks-312s
- part type: Motor Switch
- fuse type: Switch
- country of origin: Finland
shipping indusswitch:
- carrier: usps
- type: calculated
- class: standard
- transit: 5-11 days
- service: usps ground advantage
returns indusswitch:
- policy: no returns
seller indusswitch:
- city: manchester, new hampshire
- # reviews: 4014
- rating: 99.9%
payments indusswitch:
- other
- credit card: diners-club
- wallet: google-pay
offer indusswitch:
- started: march 28, 2026
- sold #: 8
- in stock #: 3
- availability: in stock
- options: ship-to-home
- prices: $24.99–$29.99
- item condition: New – Open box
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories


