KA4 6P Civil Press Switch -

DPDT Configuration for Complex Circuit Control in Demanding Environments

YM's KA4 6P Military Aviation Switch delivers sophisticated double-pole double-throw (DPDT) switching capability engineered for the most demanding aerospace, defense, and industrial applications. This 6-pole configuration provides versatile control over two independent circuits with dual-throw functionality, making it ideal for complex switching requirements in drone systems, aircraft engine controls, and aviation instrumentation. Manufactured with the precision and durability standards honed through our Civil Press Switch KA4 6Pins and Aviation Rocker Switch production, the KA4 6P ensures reliable performance in extreme operating conditions.

As an integral component within YM's comprehensive aviation interface solutions, this DPDT switch complements our extensive range of Press Switch and Aviation Button Switches, offering system designers a robust solution for sophisticated electrical control applications.

Product Visualization

Technical Specifications

Electrical Performance Parameters

Switch Configuration: Double-Pole Double-Throw (DPDT), 6-pole design providing two independent switching circuits with dual positions each.
Coil Power Consumption: Energy-efficient operation between 0.3W and 0.43W.
Contact Load Ratings & Lifecycle:
- Standard Load Capacity: Rated for 1A at 28V DC resistive per pole, with verified operational life exceeding 1,000,000 cycles.
- Low-Level Signal Precision: Capable of handling sensitive (10-50)μA at (10-50)mV signals with accuracy throughout its lifecycle.
Contact Resistance: Superior electrical performance with initial contact resistance ≤50mΩ per contact. After complete lifecycle testing, resistance remains ≤200mΩ across all six poles.
Switching Speed: Fast and precise switching action with actuation time ≤4ms and release time ≤4ms for responsive circuit control.
Dielectric Strength:
- Standard Atmospheric Conditions: Withstands 500V RMS at 50Hz between poles and throws.
- Low-Pressure (High-Altitude) Conditions: Rated for 250V RMS at 50Hz, ensuring aviation environment safety.
Insulation Resistance: Excellent electrical isolation with >500MΩ initially and >50MΩ after rigorous accelerated lifecycle testing.
Pole-to-Pole Isolation: Enhanced isolation between the two independent switching poles for circuit integrity.

Mechanical & Environmental Specifications

Configuration: 6-pole DPDT (Double-Pole Double-Throw) providing two independent circuits with two positions each.
Weight: Lightweight construction under 3 grams, critical for weight-sensitive aerospace and UAV applications.
Hermetic Sealing: Advanced environmental sealing with maximum leakage rate ≤10⁻³ Pa·cm³/s. This Aviation Oil Sealed Valve-grade protection ensures reliable operation in contaminated environments.
Control Signal Compatibility: Compatible with standard control systems, operating effectively with incentive pulse widths from 10ms to 50ms.
Temperature Range Performance: Performance specifications characterized at 25°C, with validated operation across extended military temperature ranges.
Mechanical Endurance: Designed for high mechanical cycle life with robust internal mechanism supporting frequent switching operations.

Installation & System Integration Procedure

Circuit Design Verification: Confirm the DPDT configuration matches your circuit requirements for controlling two independent circuits with dual-position selection capability.
Pole Assignment Planning: Clearly identify and document pole assignments for each circuit to ensure proper wiring and circuit isolation.
Secure Mounting Implementation: Mount the switch securely using appropriate hardware, ensuring no mechanical stress is transferred to the switch body or terminals.
Precision Wiring Connection: Connect each pole according to your circuit design, maintaining proper isolation between the two independent circuits. Use appropriate wire gauges and connection methods.
Environmental Sealing Verification: Verify the integrity of environmental seals around the switch installation if used in exposed conditions.
Comprehensive Functional Testing: Test all six poles in both throw positions, verify synchronization between poles, measure contact resistance, and confirm electrical isolation between independent circuits.
System Integration Validation: Integrate into the final system and perform complete system-level testing including functional operation, environmental stress testing, and isolation verification.

Application Scenarios & Business Value

Primary Application Areas

Drone Flight Control Systems: Dual-channel control surface actuation, redundant system switching, and mode selection in UAV flight controllers.
Aircraft Avionics & Instrumentation: Dual-circuit lighting control, instrument panel mode switching, and backup system selection in commercial and military aircraft.
Aircraft Engine Control Units: Dual-parameter monitoring system switching, redundant sensor selection, and control mode alternation in engine management systems.
Industrial Control Systems: Machine mode selection with dual parameter control, safety system switching, and process control alternation in industrial automation.

Value for Engineering & Procurement Decision Makers

Reduces Component Count: Single DPDT switch replaces multiple single-pole switches, simplifying designs, reducing assembly complexity, and lowering component inventory.
Enhances System Reliability: Synchronized switching action and military-grade construction ensure consistent, reliable operation of both controlled circuits.
Improves Circuit Isolation: Superior pole-to-pole isolation prevents cross-talk and interference between sensitive circuits, maintaining signal integrity.
Optimizes Panel Space Utilization: Compact multi-pole design enables sophisticated switching functionality in minimal panel space.
Lowers Total Cost of Ownership: Reduced component count decreases assembly time and cost, while high reliability minimizes maintenance and replacement expenses.
Simplifies Supply Chain Management: Sourcing from YM, with proven expertise in Industrial Power Relay and Automotive Relay manufacturing, ensures consistent quality, availability, and technical support.
Accelerates System Development: Proven DPDT configuration reduces design validation time and supports faster time-to-market for new system designs.

Manufacturing Excellence & Quality Assurance

The KA4 6P is manufactured through a precision-oriented process specifically designed for complex multi-pole switching components.

Precision Multi-Pole Component Fabrication: DPDT contact assemblies are manufactured with micron-level precision using advanced stamping and forming techniques.
Synchronized Mechanism Assembly: Dual-pole switching mechanism assembled with precise alignment to ensure synchronized operation of both poles.
Environmental Sealing Application: Hermetic sealing applied using technology refined through Aviation Oil Sealed Valve production, ensuring reliable environmental protection.
Comprehensive Electrical Testing: Every unit undergoes automated testing of all six poles in both throw positions, including contact resistance, insulation resistance, dielectric strength, and switching synchronization.
Isolation Validation Testing: Specialized testing verifies electrical isolation between the two independent switching poles to prevent circuit interaction.
Extended Lifecycle Validation: Statistical samples undergo accelerated switching cycle testing to validate contact durability and mechanism reliability over the specified operational life.
Final Quality Certification: Each switch receives final dimensional, visual, and functional inspection before protective packaging with appropriate ESD protection.

Compliance & Customization Services

Standards Compliance

The KA4 6P is designed and manufactured to meet performance and reliability requirements relevant to military (MIL-SPEC), aerospace, and industrial standards for multi-pole switching components. Our quality management system ensures full traceability and process control throughout manufacturing.

Customization Options

YM offers extensive customization services for the KA4 series, leveraging our experience with custom New Energy Relay and PCB Signal Relay solutions:

Configuration Variations: Custom pole configurations beyond standard DPDT for specific circuit control requirements.
Electrical Rating Modifications: Adjustments to current or voltage ratings per pole for specific application needs.
Terminal Configuration Options: Custom terminal types, arrangements, or connection methods for specific mounting or wiring requirements.
Switching Mechanism Variations: Custom actuation forces, travel characteristics, or position detents for specific operational preferences.
Sealing Enhancement Options: Specialized sealing configurations for extreme environmental conditions or specific contaminant protection.
Application-Specific Validation: Capability to perform custom testing protocols including specific environmental, lifecycle, synchronization, or isolation testing as required.