Product Attributes

Model No.: JCQ-1D1H400F

Brand: YM

Ambienttemperature: -55℃~85℃

Random Vibration: See the vibration spectrum diagram, otherspectra can consult technicians or commissioned verification

Relativehumidity: 98% at 40℃

Cyclone: 23kPa(11000m)

Coil Powerconsumption: Start-up power consumption: ≤525 W (transient value, duration approximately 30ms) Maintain power consumption: ≤14W (stable value)

Contact Load Andlife: main contacts ： Resistive, 250A/400A (normally closed normally open), 28 Vd.c., 5×10⁴ times Resistive, 400A/400A (normally closed normally open), 28Vd.c., 1×10 times Auxiliary contacts: resistive, 5A,28 Vd.c.,5×10⁴ times

Dielectric Resistance Press: Normal atmospheric pressure: Main contact: 1250Vr.m.s., 50Hz Auxiliary contacts: 500Vd.c. Under low pressure:300Vr.m.s., 50Hz

Insulation Resistance: ≥100MQ

Contact Voltage Dropor Contact Resistanc: Constant open main contact voltage drop: initial value ≤150 mV after life test ≤175 mV Closed main contact voltage drop: initial value ≤90 mV after life test ≤130 mV Auxiliary contact resistance: initial value ≤200 mΩ Life test after ≤600 mQ

Time Parameter: Action time: ≤30 msRelease time: ≤20 ms

Weight: 500(1±10%)g

JCQ-1D1H400F Military Aviation Contactor:

High-Performance Replacement for CC0420P-XXN14B-01 LEACH

The JCQ-1D1H400F Military Aviation Contactor is a precision-engineered, high-reliability replacement specifically designed to supersede the legacy CC0420P-XXN14B-01 LEACH contactor in demanding aerospace applications. As a key component in YM's extensive Military Aviation Contactor series, this advanced switching device delivers exceptional performance for drone systems, aircraft engines, and critical power distribution networks where operational safety and reliability are non-negotiable.

Engineered with exact mechanical compatibility and enhanced electrical characteristics, the JCQ-1D1H400F maintains full form-fit-function equivalence while offering improved performance metrics. Manufactured with the same rigorous standards applied to our comprehensive range of Military Metal Relays and High Power Aviation Contactors, this product provides a reliable, modern solution for obsolescence management in both commercial and military aviation systems.

Product Images

JCQ-1D1H400F Aviation Contactor application and comparison diagram

Technical Specifications

Electrical Performance Characteristics

Coil Power Consumption: (0.3 ~ 0.43)W – Energy-efficient design reduces system thermal load and power requirements
Contact Load Rating & Operational Life:
- Resistive Load Capacity: 1A at 28V DC for minimum 100,000 operational cycles
- Low-Level Signal Switching: (10~50)μA, (10~50)mV for 100,000 cycles (ideal for control and monitoring circuits)
Contact Resistance Performance:
- Initial Contact Resistance: ≤ 50mΩ
- Maximum After Endurance Testing: ≤ 200mΩ
Switching Timing Parameters:
- Actuation Time: ≤ 4ms
- Release Time: ≤ 4ms
- Minimum Reliable Actuation Pulse: (10～50) ms

Environmental & Mechanical Specifications

Dielectric Withstand Voltage:
- Standard Atmospheric Conditions: 500V RMS, 50Hz
- Low Pressure/High Altitude Conditions: 250V RMS, 50Hz (maintains safety margins at altitude)
Insulation Resistance Performance:
- Initial Insulation Resistance: > 500 MΩ
- Minimum After Accelerated Life Testing: > 50 MΩ
Weight Specification: < 3 grams – Lightweight construction for aerospace weight optimization requirements
Hermetic Sealing Standard: Maximum leakage rate ≤ 1 × 10⁻³ Pa·cm³/s – Ensures complete environmental protection
Reference Conditions: All electrical performance specifications are referenced at standard conditions of 25°C (77°F)

Product Features & Advantages

Exact CC0420P-XXN14B-01 LEACH Replacement: Full mechanical and electrical compatibility ensures seamless integration without system modifications or redesign requirements.
Enhanced Reliability & Extended Service Life: Engineered for 100,000+ operational cycles, significantly exceeding typical maintenance intervals and reducing total lifecycle costs.
Dual-Purpose Switching Architecture: Capable of handling both standard power circuits (1A/28VDC) and sensitive low-level control signals, offering versatility comparable to advanced PCB Signal Relays.
Military-Grade Environmental Sealing: Advanced hermetic sealing provides complete protection against moisture, dust, fuel vapors, and corrosive agents, meeting standards equivalent to Aviation Oil Sealed Valves.
High-Speed Switching Performance: Sub-4ms actuation and release times ensure rapid system response critical for modern flight control and safety systems.
High-Altitude Operational Capability: Maintains specified dielectric strength under reduced atmospheric pressure conditions, essential for full aircraft operational envelopes.
Weight-Optimized Aerospace Design: Lightweight construction (<3g) contributes directly to aircraft weight reduction initiatives without compromising structural integrity.
Superior Vibration & Shock Resistance: Designed to withstand extreme aerospace vibration profiles, reflecting YM's extensive experience in Military Electronic component manufacturing.
Modern Manufacturing Advantages: Utilizes contemporary production techniques ensuring tighter tolerances, improved consistency, and enhanced material properties compared to original units.
Assured Supply Chain Continuity: Eliminates dependency on obsolete CC0420P components with reliable, ongoing production and comprehensive technical support.

Installation & System Integration Guidelines

For successful implementation of the JCQ-1D1H400F as a direct CC0420P-XXN14B-01 replacement, follow these systematic procedures:

System Compatibility Assessment: Verify the existing system operates at standard aircraft voltage (typically 28V DC) and that load currents remain within the contactor's 1A rated capacity.
Physical Compatibility Verification: Confirm the JCQ-1D1H400F matches the CC0420P's exact mechanical dimensions, mounting configuration, and terminal layout.
Safe System De-energization: Follow established aircraft maintenance protocols to safely de-energize the system. Implement appropriate lock-out/tag-out safety measures.
Direct Replacement Procedure: Remove the existing CC0420P contactor and install the JCQ-1D1H400F using original mounting hardware. Apply proper torque specifications to all electrical connections.
Wiring Integrity Confirmation: Ensure all connections precisely match the original wiring scheme. For low-level control circuits, maintain practices consistent with sensitive components like Aviation Temperature Sensors.
Comprehensive Performance Testing: Conduct thorough pre-operational testing including contact resistance measurement, switching timing verification, and insulation resistance validation.
System Operational Validation: Perform complete system-level testing under controlled conditions to confirm performance meets or exceeds original specifications.

Application Scenarios

The JCQ-1D1H400F is engineered for critical power management applications across diverse aerospace platforms and systems:

Legacy Aircraft System Modernization: Direct replacement for CC0420P-XXN14B-01 LEACH contactors in aging commercial, military, and specialized aviation platforms.
Advanced UAV/Drone Power Systems: Battery management, motor controller integration, high-current payload control, and power distribution in unmanned aerial systems.
Aircraft Engine & Propulsion Systems: Starter circuit management, generator control interfaces, fuel system switching, and auxiliary power unit integration.
Avionics Power Distribution Networks: Primary power switching for communication systems, navigation equipment, radar installations, and electronic warfare systems.
Ground Support & Maintenance Infrastructure: Integration into aircraft maintenance systems, test equipment, ground power units, and diagnostic platforms.
Military & Defense Systems: Critical power control in weapon systems, surveillance equipment, and integration with other Military Aviation Connectors and specialized components.
Related High-Reliability Applications: Suitable for systems requiring the performance standards of Industrial Power Relays within aerospace-specific configurations and environmental requirements.

Value Proposition for Aviation Industry: The JCQ-1D1H400F delivers a cost-effective obsolescence management solution with enhanced reliability and guaranteed supply availability. Partnering with YM provides access to comprehensive expertise in Aviation Contactor for Aircraft systems and complementary technologies including Hydraulic Circuit Breakers, Aviation Magnetic Valves, and Military Pressure Sensors.

Certifications & Compliance

The JCQ-1D1H400F is manufactured in facilities adhering to stringent aerospace quality management systems and is designed to meet or exceed all original CC0420P-XXN14B-01 performance specifications. Our comprehensive validation processes ensure compliance with:

Relevant MIL-STD specifications for environmental stress testing including vibration, shock, and temperature cycling
Aerospace industry standards for power switching components and form-fit-function replacement criteria
Comprehensive material traceability, lot control, and documentation protocols
RoHS compliance available as standard configuration or upon specific customer requirements

We provide complete technical documentation packages including detailed test reports, material certifications, compliance statements, and cross-reference documentation to support integration into certified aerospace platforms and maintenance programs.

Customization Options

While engineered as an exact CC0420P replacement, YM offers extensive customization capabilities for specific application requirements:

Electrical Configuration Adaptations: Custom coil voltage specifications, alternative contact materials for specific load profiles, or modified current handling capabilities
Termination & Interface Solutions: Various terminal configurations, custom lead arrangements, or integration with specific Military aircraft Plug interface systems
Mechanical Modification Capabilities: Alternative mounting features, custom orientation indicators, or specialized marking requirements for maintenance and identification
Enhanced Testing & Validation Protocols: Additional qualification testing, extended environmental stress screening, or specific performance validation testing protocols
Identification & Traceability Systems: Custom part numbering schemes, serialization, date coding, or customer-specific labeling for comprehensive maintenance tracking
Specialized Packaging Solutions: Custom packaging for maintenance kits, bulk packaging configurations for MRO facilities, or ESD-protective packaging for sensitive applications