Product Attributes

Model No.: JCQ-3H400F

Brand: YM

Ambient Temperature: -55℃~85℃

Relativehumidity: 98% at 40℃

Cyclone: 856.9 Pa(4000 m)

Sinusoidal Vibration: 98m/s²,10Hz～500Hz

Coil Powerconsumption: Starting power: ≤620 W (80 ms instantaneous) Maintain power: ≤25 W (long termoperation)

Insulationresistance: ≥1000 MQ

Contact Resistance: Main contact: initial value ≤200μQ; Life test after ≤500μQ Auxiliary contact: initial value ≤100 mQ; Life test after ≤500 mQ

Dielectricwithstandvoltage: Between broken main contactsand between groups: ≥25000Other: ≥ 2500

Time Parameter: Action time: ≤80 ms; release time:≤80 ms

Weight: (11.5±0.5)kg

Military Aviation Contactor JCQ-3H400F -

High-Reliability Power Switching for Critical Aerospace Systems

The YM JCQ-3H400F Military Aviation Contactor is engineered for mission-critical power distribution in demanding aerospace environments. Designed specifically for drone systems, aircraft engine controls, and various aviation subsystems, this high-quality contactor delivers exceptional reliability for engines, train systems, and plane applications where failure is not an option. Its precision engineering complements YM's extensive range of Aerospace Components, including Military Metal Relays, Aviation Connectors, and Hydraulic Circuit Breakers.

Product Visualization

Technical drawing with dimensions and electrical parameters for JCQ-3H400F

Technical Features & Advantages

Precision Engineering for Aerospace Demands

Ultra-Low Power Consumption: Coil operates at only 0.3-0.43W, minimizing system power requirements and heat generation.
Exceptional Contact Longevity: Rated for 1,000,000 cycles at 1A, 28V DC resistive load, with additional 1,000,000 cycles at low-level loads (10-50µA, 10-50mV).
Minimal Contact Resistance: Initial contact resistance ≤50mΩ, and ≤200mΩ after full life testing, ensuring efficient power transmission with minimal voltage drop.
High-Speed Switching: Fast action and release times (≤4ms) with incentive pulse width of 10-50ms, enabling precise control in dynamic systems.
Superior Electrical Insulation: Withstands 500Vr.m.s. at normal pressure and 250Vr.m.s. at low pressure (50Hz), with insulation resistance >500MΩ.
Hermetic Sealing: Leakage rate ≤10⁻³ Pa·cm³/s, protecting against moisture, dust, and corrosive agents in harsh environments.
Lightweight Design: Weighing under 3 grams, ideal for weight-sensitive aerospace applications including drones and aircraft systems.

This contactor shares the same rigorous manufacturing standards as our PCB Board Relays and Solid State Relays, ensuring compatibility with modern avionics architectures.

Detailed Specifications

Electrical Characteristics

Coil Power: 0.3W - 0.43W
Contact Rating: 1A, 28V DC (resistive)
Contact Life: 1×10⁶ operations at rated load; 1×10⁶ operations at low-level load
Contact Resistance: ≤50mΩ initial, ≤200mΩ after life test
Switching Speed: Action time ≤4ms, Release time ≤4ms
Dielectric Strength: 500Vr.m.s. @ normal pressure; 250Vr.m.s. @ low pressure (50Hz)
Insulation Resistance: >500MΩ @ normal pressure; >50MΩ after high-level life test

Physical & Environmental Specifications

Weight: < 3 grams
Sealing Performance: Leakage rate ≤10⁻³ Pa·cm³/s
Operating Temperature: Rated for 25°C standard coil voltage specifications
Incentive Pulse: 10-50ms pulse width for reliable actuation

Integration & Installation Guidelines

System Compatibility Check: Verify that your application's voltage, current, and environmental conditions match the JCQ-3H400F's specifications.
Circuit Design Integration: Design control circuitry to provide proper coil excitation (10-50ms pulse width) and include necessary protection elements.
Mechanical Mounting: Secure the contactor using appropriate hardware, ensuring no mechanical stress is transferred to the terminals or housing.
Electrical Connection: Use proper soldering techniques or connectors for terminal connections, following aerospace-grade wiring practices similar to Military Aviation Connector installations.
Sealing Verification: If used in sealed assemblies, ensure complementary sealing measures are implemented around the contactor.
Functional Testing: Perform comprehensive testing including contact resistance measurement, timing verification, and load cycling before final system integration.

Application Scenarios

Mission-Critical Power Control Solutions

Unmanned Aerial Vehicles (UAVs): Power switching for propulsion motors, payload systems, and communication equipment in military and commercial drones.
Aircraft Engine Management: Control of fuel pumps, ignition systems, and sensor circuits within turbine and piston engines.
Aviation Subsystems: Integration into environmental control systems, landing gear controls, and auxiliary power units (APUs).
Ground Support Equipment: Reliable switching in aircraft testing, maintenance, and charging systems.
Specialized Transportation: Applications in railway systems and specialized vehicles requiring aerospace-grade reliability, often paired with Aviation Temperature Sensors and Pressure Sensors.

Value Proposition for Procurement Teams

Enhanced System Reliability: Reduces maintenance intervals and minimizes in-service failures, lowering total cost of ownership.
Weight Optimization: Ultra-lightweight design contributes to improved fuel efficiency and payload capacity in aerospace applications.
Risk Mitigation: High dielectric strength and hermetic sealing reduce risks of electrical failure in challenging environments.
Supply Chain Security: Manufactured by YM with the same expertise applied to our Aviation Rocker Switches and Aviation Microswitches, ensuring consistent quality and reliable supply.
Technical Support: Backed by engineering expertise from a manufacturer of diverse aerospace components including New Energy Relays and Industrial Power Relays.

Quality Assurance & Compliance

The JCQ-3H400F is manufactured under stringent quality management systems in facilities audited by international standards organizations. While specific certifications for this component should be verified per order, our manufacturing processes align with aerospace industry requirements and complement our production of other certified components like Military Pressure Sensors and aviation-grade switching devices.

Customization Capabilities

YM offers tailored solutions to meet specific application requirements. Customization options for the JCQ-3H400F series may include:

Specific coil voltage ratings
Alternative terminal configurations
Special testing and screening requirements
Modified sealing approaches for unique environmental conditions

Our expertise in custom Automotive Relays and PCB Signal Relays enables flexible adaptation of the JCQ-3H400F to your precise specifications.

Manufacturing Excellence

Each JCQ-3H400F undergoes rigorous manufacturing and testing processes:

Precision Component Fabrication: Military-grade materials are machined to exacting tolerances.
Automated Assembly: Robotic systems ensure consistent assembly of contacts, coils, and enclosures.
100% Electrical Testing: Every unit is tested for contact resistance, operate/release time, dielectric strength, and insulation resistance.
Hermetic Sealing Verification: Sealed units undergo leak testing to verify ≤10⁻³ Pa·cm³/s performance.
Final Quality Audit: Batch sampling for extended life testing and environmental stress screening.

This comprehensive approach mirrors the quality processes applied to our Latching Relays and Polarized Relays, ensuring dependable performance in critical applications.