PRODUCT

K-family rocker switches: effortless control with clear visual feedback

Date: 16/07/2026

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Imagine being in the driver’s seat of a modern off-highway vehicle where every control must be intuitive at a glance, with no hesitation and no second-guessing, even in low light, with vibration, or in demanding conditions. When systems become more advanced and the number of functions increases, the real challenge is clear: making sure every signal is visible and switch functions are active, right when you need them. This is the exact purpose of APEM’s K-family rocker switches. This range of modular rocker switches and systems for vehicles is designed for real-world use, combining clear visual feedback, robust durability, and seamless integration. They are built to adapt to all types of architectures, and help users stay fully in control through intuitive design and advanced customization.

Rocker switches designed for the way you operate

When using a vehicle or machine on a daily basis, you need more than just switches, you need controls that adapt to your reality: changing environments, complex functions, and the need for instant clarity without hesitation.

That’s why APEM’s K-family rocker switches are built around what matters most to you.

Make every function instantly understandable

You should never have to “decode” a switch.

With fully customizable rocker switches, you can define your own interface down to the smallest detail:

  • Create infinitely customizable icons, backlit or non-backlit, so every function is immediately recognizable

  • Even at the final stage, you can still adjust the configuration with late-stage customization of the rocker itself

  • Choose colored rocker switches even with backlit logos that match your system logic, your brand, or your user environment

  • Make use of ISO 7000 standard symbols when you want a ready-to-use, internationally recognized visual language, with access to a complete standardized library

KL-KR

In addition to standard symbol libraries, APEM offers full customization to address specific needs. Late-stage customization is also possible, allowing manufacturers to adapt designs even at advanced production phases.

A complete integration ecosystem

The K family is more than a product range, it is a complete switching system designed for easy integration:

  • Connectors tailored for K-family rocker switches, allowing you to prepare and secure wiring in advance (using standard crimps that mount in our dedicated connector housings)

  • Modular mounting blocks, enabling you to assemble and structure your switch layout exactly as needed

  • Blanking accessories to neatly close unused positions and keep your panel clean and functional

  • Removal tools designed to safely and quickly disassemble components without damaging the installation

This ecosystem helps reduce installation time and ensures secure, reliable connections in complex vehicle architectures.

K family - 2

Stay reliable in the environment where it matters most

With sealing ratings ranging up to IP69K depending on the model, these waterproof rocker switches provide tailored protection for various operating environments, from construction vehicles to agricultural machinery and marine applications. Switching systems must withstand water, dust, vibration, and extreme temperatures so the characteristics below ensure long-term reliability:

Icon water

Water run-off design

Icon protect

Protection against accidental actuation

Icon checked

High resistance to pressure and dust

In addition, momentary rocker switches enhance operator control by enabling precise and responsive activation. They contribute to safer handling of critical functions while improving overall user experience, particularly in demanding and safety-sensitive applications.

Safety-critical environments across industries

The K-family rocker switches are designed for applications where reliability, durability and operator safety are essential, particularly in environments exposed to harsh conditions and intensive use.

Safety-critical environments across industries

In construction equipment, switching solutions must withstand extreme environments while ensuring safe and precise operation. The K family provides high resistance to water, dust and vibration, helping reduce operator errors and ensuring consistent performance on demanding job sites.

For agricultural machinery, equipment is constantly exposed to outdoor conditions such as moisture, dirt and temperature variations. The K family provides durable and easy-to-use interfaces, ensuring long-term reliability and clear control for operators working in the field.

In material handling applications, precision and responsiveness are critical for efficient operations. The K family enables accurate function control while maintaining durability with intensive and repetitive use, contributing to improved productivity and safety.

Across all these applications, the K family ensures clear visibility, robust performance and dependable operation, even in the most challenging environments.

Modular rocker switches designed to fit every application

Because no two applications have the same constraints, the K Family from APEM is organized into dedicated series, each designed to address a specific user need, while sharing one key principle: intuitive, reliable control in every situation.

KS – communication-ready switch modules

Standalone modules compatible with CAN J1939 and LIN networks, enabling integration into advanced electronic systems and supporting software configurable functions.

KL – ergonomic and safety-driven design

  • Press-then-switch, intuitive, one-hand or recognized mechanism

  • Prevents accidental activation

  • Ideal for safety-critical functions (e.g. braking systems)

KR – modern and customizable design

  • Curved ergonomic design

  • Wide choice of colors and illumination

  • Advanced laser-etched symbols

KI – enhanced visual feedback

  • Illuminated rocker switches with up to 3 symbols

  • Independent lighting for clear status indication

  • Ideal for operator feedback and dashboard clarity

KH / KG – protected and high-resistance switches

  • Protection guards against accidental actuation

  • Designed for extreme environments

  • High sealing performance up to IP69K

⚡Explore the K family

Whether you are designing a connected vehicle system or upgrading a control interface for harsh environments, the K family delivers performance, flexibility, and design consistency in one unified solution.

Get in touch to learn more about how these renowned rocker switches can support your next project.

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