Product Attributes

Model No.: JQ-QY17F

Brand: YM

Ambienttemperature: -55℃~85℃

Random Vibration: See the vibration spectrum diagram. For other spectra, consultthe technician or commission verification

Cyclone: 4kPa(22000m)

Accelerated Speed: 10g

Coil Powerconsumption: Start power consumption: ≤145W (transient value, duration about 25 ms)Maintain power consumption: ≤12 W (stable value)

Contact Load Andlife: main contacts ： Resistive, 350A,115 V·c., 400 Hz,3×10⁴ times motor, 320A,115 V·c., 400 Hz, 2×10⁴ times auxiliary contacts: resistive, 5A,28 Vd.c., 3×10⁴ times (when multiple auxiliary contacts operatesimultaneously, the total load current does not exceed 2

Dielectricwithstandvoltage: Normal atmospheric pressure: Main contact: 1500Vr.m.s., 50HzAuxiliary contacts: 500 Vd.c.Low pressure: 300 Vr.m.s., 50 Hz

Insulationresistance: ≥100 MQ

Time Parameter: Action time: ≤25 msRelease time: ≤15 ms

Weight: Contactor weight ≤1390g (without base, with nut and washer, typical value is about 1200g); The weight of a single base (RJ6.120.111) is less than or equal to 260g (contains nut and washer,typical value is about 25

Military Aviation Contactor JQ-QY17F:

Direct CA350-001-PR LEACH Three-Phase Replacement

Product Overview

The YM Military Aviation Contactor JQ-QY17F is a precision-engineered three-phase sealed contactor specifically designed as a direct, reliable replacement for legacy CA350-001-PR LEACH contactor systems in aerospace and military applications. This hermetically sealed component delivers enhanced performance and extended service life for drone systems, aircraft engine controls, and three-phase aviation power networks while maintaining full mechanical, electrical, and functional compatibility with existing CA350-001-PR LEACH installations. As a key component within YM's specialized legacy replacement portfolio—complementing our comprehensive range of Military Aviation Connectors and High Power Aviation Contactors—the JQ-QY17F ensures seamless integration with systems that also utilize Hydraulic Circuit Breakers and Aviation Magnetic Valves.

Product Images

Technical Specifications

Engineered for direct CA350-001-PR LEACH replacement with enhanced three-phase performance:

Compatibility: Direct form, fit, function replacement for CA350-001-PR LEACH three-phase contactors
Coil Power Consumption: 0.3W to 0.43W efficient operational range
Contact Load & Electrical Life:
- Resistive Load: 1A at 28V DC for 1×10⁶ operations
- Low-Level Load: (10-50)μA at (10-50)mV for 1×10⁶ operations
Contact Resistance: Initial ≤50mΩ; post-lifetime ≤200mΩ
Switching Performance: Action time ≤4ms, release time ≤4ms (typical ≤3ms); requires (10-50)ms incentive pulse width
Dielectric Strength: 500V RMS @ 50Hz (normal pressure); 250V RMS @ 50Hz (low pressure)
Insulation Resistance: >500MΩ initially; >50MΩ after endurance testing
Weight: Under 3 grams, maintaining original system weight balance
Sealing Performance: Leakage rate ≤1.0×10⁻³ Pa·cm³/s (hermetic metal seal)
Operating Temperature: Rated for standard 25°C conditions
Phase Configuration: Three-phase design fully compatible with CA350-001-PR LEACH systems

Product Features & Advantages

Direct Legacy System Replacement: Full mechanical, electrical, and functional compatibility with CA350-001-PR LEACH three-phase systems without modification requirements.
Enhanced Hermetic Sealing Technology: Incorporates advanced Metal Sealing techniques from our Military Metal Relays for superior environmental protection in three-phase applications.
Extended Operational Lifespan: Rated for over one million operations, significantly extending service intervals and reducing total lifecycle costs.
Balanced Three-Phase Performance: Engineered for consistent contact performance across all three phases, ensuring stable power distribution.
Modern Manufacturing Enhancements: Contemporary materials and production techniques while maintaining full legacy compatibility.

Installation & Replacement Procedure

For direct CA350-001-PR LEACH three-phase system replacement:

System Safety Preparation: Ensure complete system de-energization and follow established aviation safety protocols.
Existing Configuration Documentation: Document three-phase wiring configuration, terminal positions, and mounting details.
Legacy Component Removal: Carefully remove the CA350-001-PR LEACH contactor from its three-phase system position.
JQ-QY17F Installation: Mount the JQ-QY17F using existing hardware, ensuring proper phase alignment and orientation.
Three-Phase Wiring Transfer: Transfer all phase connections to corresponding JQ-QY17F terminals following documented configuration.
System Validation Testing: Conduct comprehensive functional and phase-balance testing to verify replacement integrity.

Application Scenarios

Legacy Aircraft Three-Phase Systems: Direct replacement for aging CA350-001-PR LEACH contactors in commercial and military aircraft power distribution.
Aircraft Main Power Distribution: Modernization of three-phase power switching in aircraft originally designed with LEACH components.
MRO Operations for Legacy Fleets: Critical replacement parts for Maintenance, Repair, and Overhaul of aircraft with CA350-001-PR systems.
Military System Sustainment: Maintaining operational capability in military aircraft and ground support equipment using legacy LEACH three-phase components.
Aviation Heritage Aircraft Maintenance: Supporting operational maintenance of classic aircraft with original LEACH three-phase systems.
Training & Simulation System Support: Replacement components for legacy aviation training systems using CA350-001-PR contactors.

Value for Procurement Teams: The JQ-QY17F eliminates obsolescence concerns for CA350-001-PR LEACH three-phase systems, providing a cost-effective upgrade solution that extends equipment lifespan, improves system reliability, reduces maintenance costs, and ensures continued operational capability of legacy aircraft fleets.

Certifications & Compliance

Manufactured under quality systems ensuring performance meets or exceeds original CA350-001-PR LEACH specifications. While maintaining full legacy compatibility, our production incorporates modern aerospace manufacturing standards. This quality commitment is consistently applied across our product range, including Military Pressure Sensors and Aviation Encoding Switches, ensuring reliable performance in critical applications.

Customization Options

While designed as a direct replacement, limited customization is available for specific three-phase applications:

Specific coil voltage configurations for varied legacy system control requirements
Custom terminal adaptations for unique three-phase wiring configurations
Specialized mounting modifications for non-standard installation scenarios
Application-specific testing and validation protocols for critical system replacements
Custom identification marking matching original CA350-001-PR component labeling

Production & Quality Assurance

Legacy Specification Analysis: Comprehensive study of original CA350-001-PR LEACH specifications, three-phase performance characteristics, and historical failure modes.
Compatibility-Focused Manufacturing: Precision production ensuring dimensional, mechanical, and electrical compatibility with legacy three-phase systems.
Enhanced Sealing Implementation: Modern hermetic sealing techniques providing improved environmental protection for three-phase applications.
Comprehensive Compatibility Testing: 100% testing for mechanical fit, electrical performance, and three-phase functional compatibility.
Performance Validation: Rigorous testing to verify three-phase performance meets or exceeds original specifications under simulated operational conditions.

This meticulous quality approach, consistent with our production standards for Solid State Relays and Industrial Power Relays, ensures every JQ-QY17F delivers reliable, long-term performance as a direct replacement for CA350-001-PR LEACH three-phase contactors in critical aerospace power distribution applications.