Product Overview: Civil Press Switch KA4-1 6Pins
The Civil Press Switch KA4-1 6Pins is a high-reliability switching solution engineered for aviation and aerospace applications. Designed with a precision rocker mechanism and six-pin configuration, this switch delivers consistent performance under demanding environmental conditions. Whether used in aircraft cockpit panels, avionics systems, or ground support equipment, the KA4-1 ensures safe circuit control with military-grade durability. As a trusted component among aircraft rocker switches and aviation switch with military grade portfolios, our KA4-1 model stands out for its low power consumption, fast response time, and excellent sealing performance.
Technical Specifications
The KA4-1 6Pins Civil Press Switch is built to meet stringent aerospace requirements. Below are the key technical parameters:
- Coil Power Consumption: 0.3 ~ 0.43 W
- Contact Load & Electrical Life: Resistive load 1A @ 28V d.c. (1×10⁵ operations); Low level (10~50)μA, (10~50)mV (1×10⁵ operations)
- Contact Resistance: Initial ≤50 mΩ; After life test ≤200 mΩ
- Operating Time: ≤4 ms (release time ≤4 ms); Optional fast version action time ≤3 ms
- Incentive Pulse Width: (10~50) ms
- Dielectric Withstanding Voltage: Normal atmosphere: 500 Vr.m.s. @ 50 Hz; Reduced pressure: 250 Vr.m.s. @ 50 Hz
- Insulation Resistance: Normal atmosphere >500 MΩ; After high-level life test >50 MΩ
- Weight: <3 g
- Sealing (Leakage Rate): ≤1×10⁻³ Pa·cm³/s (Helium leak test)
- Line Coil Voltage: Customizable Vd.c. specifications available
Product Images & Visuals
High-resolution images show the compact form factor, six-pin layout, and robust rocker actuator of the KA4-1. For video demonstrations of installation and switching cycles, please contact our sales team.
Key Features & Advantages
Compared to standard rocker switches, the KA4-1 Civil Press Switch integrates advanced contact design and hermetic sealing, making it ideal for mission-critical aviation systems. Here’s what sets it apart:
- Military-Grade Reliability: Designed to withstand vibration, humidity, and temperature extremes, qualifying as a true military rocker aviation switch.
- Ultra-Low Power Consumption: Coil power as low as 0.3W reduces thermal load on avionics boards.
- Fast Switching Response: Action time ≤4ms (≤3ms optional) ensures precise circuit control in time-sensitive applications.
- Excellent Sealing (Leak Rate ≤1×10⁻³ Pa·cm³/s): Prevents contamination from dust, moisture, and fuel vapors – a critical requirement for aircraft swing arm switch environments.
- Long Electrical Life: Rated for 1×10⁵ operations at 28Vd.c./1A, and even longer under low-level loads.
- Compact & Lightweight: Weighs less than 3g, saving space and weight in dense control panels.
- 6-Pin Configuration: Offers flexible wiring options for both SPST and SPDT circuits.
Unlike generic rocker switches, the KA4-1 is manufactured with precision stamped terminals and gold-plated contacts, ensuring stable contact resistance (<50mΩ initial) over thousands of cycles. Our in-house testing simulates 28V aircraft power buses, guaranteeing compatibility with military wave switch 28V 10A systems.
Application Scenarios
The Civil Press Switch KA4-1 6Pins serves a wide range of aviation and aerospace platforms. Typical use cases include:
- Aircraft Cockpit Control Panels: Master caution reset, lighting control, and avionics power switching.
- Unmanned Aerial Vehicles (UAVs): Flight mode selection and payload activation.
- Ground Support Equipment: Test benches, battery chargers, and radar systems.
- Aerospace Test & Measurement: Signal routing in high-reliability instrumentation.
- Helicopter Armament Systems: Where army aviation roc-v compatibility is required.
By integrating the KA4-1 into your designs, you benefit from reduced maintenance costs (thanks to its long contact life) and improved system uptime. The switch’s consistent performance under low pressure (altitude simulation) and wide temperature range makes it a preferred choice for engineers specifying certified aircraft rocker switches.
Certifications & Compliance
The KA4-1 Civil Press Switch is manufactured in an ISO 9001:2015 certified facility and complies with key aerospace standards:
- MIL-PRF-8805/4 (hermetically sealed switch performance)
- RTCA DO-160G (environmental conditions and test procedures for airborne equipment)
- RoHS & REACH compliant for global supply chains
- Individual burn-in and 100% final electrical testing per Aviation Electronics technician rating guidelines
Each switch is serialized and comes with a certificate of conformance, ensuring full traceability for aircraft grade toggle switches and rocker switch programs.
Customization Options
We understand that every airframe or ground system has unique requirements. Therefore, the KA4-1 series offers flexible customization:
- Actuator Color & Marking: Custom legends (e.g., “ON/OFF”, “ARM”, “TEST”) or color-coded caps per your panel design.
- Contact Materials: Standard gold-plated silver alloy; optional palladium for low-level dry circuits.
- Wire Coil Voltage: 5V, 12V, 24V, 28V d.c. or other values upon request.
- Sealing Upgrades: Higher ingress protection (IP67) for exposed installations.
- Terminal Style: Straight or right-angle PCB pins, or wire leads with gx Aviation Connector pre-assembly.
Our engineering team supports co-design – from prototype to production – for aviation encoding switch with military grade and rocker switch families.
Production Process & Quality Assurance
Every KA4-1 switch goes through a rigorous manufacturing workflow to ensure zero defects:
- Precision Stamping & Molding: Terminals are stamped from phosphor bronze, then gold-plated in-house; housings use UL94 V-0 flame-retardant plastic.
- Automated Assembly: Robotic placement of contacts and spring mechanisms ensures consistency.
- 100% Electrical Testing: Each unit is tested for contact resistance, insulation resistance, dielectric strength, and operating force.
- Leak Detection: Helium mass spectrometer leak test (≤1×10⁻³ Pa·cm³/s) for sealed units.
- Burn-In & Life Cycling: Sample lots are subjected to 50,000 mechanical cycles and thermal shock (-55°C to +85°C).
We maintain full statistical process control (SPC) and provide PPAP Level 3 documentation upon request. This level of quality control makes our micro switch and inches switch lines equally trusted by global aerospace OEMs.