I. Core Parameters (Original Manufacturer Specifications)

Model: JQX200-24AC (DC Contactor; commonly referred to as a "Large Relay")

Liugong Part Number: 46C6549 (Original Manufacturer System Number)

Coil Voltage: 24VDC

Contact Capacity: 200A Continuous / 400A Short-term (Starting Surge)

Contact Form: Single-Pole, Single-Throw (SPST) — Normally Open (NO)

Main Circuit Terminals: M10 Copper Bolts ×2 (Battery + → Vehicle Main Power / Starter Motor)

Control Terminals: 2-Pin Waterproof Connector (24V Control Signal)

Structure: Sealed, Inert-Gas-Filled + Magnetic Blowout Arc Suppression (Suitable for High-Current Switching)

Protection Rating: IP54 (Dustproof, Waterproof, Vibration-Resistant)

Operating Temperature: -30°C ~ +70°C

Coil Power Consumption: Approx. 15W

II. Applicable Models (Precise Compatibility)

Wheel Loaders: Liugong 50CN, 855N, 856H, 870H, 877H, 890H (24V Systems)

Excavators: Liugong CLG920E, 922E, 925E, 930E (24V Models)

Aliases: Main Power Contactor, Starter Contactor, Master Switch Relay

III. Related Series and Substitutes

Related Series:

JQX100-12AC: 12V/100A (Liugong Compact Excavators / Light-Duty Applications)

JQX100-24AC: 24V/100A (Part Number: 31B0238)

Non-Substitutable Parts:

DCNPT200-01 (XCMG 24V/200A): Different Terminals / Mounting Base

704-21600 (JCB 12V Steering Module): Completely Different Functionality

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