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Throttle Motor for Sunward Excavator SWE150 SWE210 SWE230 SWE330 SWE360（12v/24V）SPN-LM-12/24-A-60

This is a dual-plug throttle motor (also known as a throttle actuator) for excavators, a core control component for excavators of brands including Sunward, Zoomlion and Lovol.1. Applicable ModelsIt is mainly compatible with domestic excavators such as Sunward SWE series (e.g. SWE150/210/230), Zoomlion and Lovol FR series, serving as a universal throttle control part for these models.2. Key SpecificationsVoltage versions: Available for 12V and 24V power supply, selectable according to the equipment circuit.Interface type: Adopts a dual-plug design with dedicated waterproof connectors, which connect to the control and feedback circuits of the equipment. The pin definition of the original machine plug shall be followed during installation.3. Core FunctionsAs the electronic throttle actuator of diesel engines, it receives signals from the controller to push the fuel injection pump governor lever and automatically adjust the engine speed. Replacing traditional manual throttle cables, it is an essential part for excavators to realize electronic speed regulation, idle speed control and automatic fuel supply.Brief Working PrincipleThe throttle knob outputs voltage signals of different gears. The controller compares these signals with the feedback voltage from the built-in potentiometer of the motor to drive the motor to rotate forward or reversely.The motor drives the push rod to extend and retract via its internal lead screw mechanism, moving the fuel injection pump governor lever to increase or decrease fuel supply.The two plugs are respectively responsible for power supply and position feedback signal transmission, ensuring precise closed-loop control of speed regulation.Notes on Selection and InstallationVoltage matching: Confirm whether the equipment uses 12V or 24V power supply. A wrong choice will burn out the motor or render it inoperable.Plug pin definition: The pin definition of the dual plugs must be consistent with that of the original machine, otherwise malfunctions including no movement, reverse movement or loss of feedback will occur.Stroke and mounting position: Check the push rod stroke and mounting hole spacing to ensure compatibility with the original throttle link mechanism, preventing jamming or incomplete movement.Waterproofing and rust prevention: Seal the connectors properly during installation to stop mud and water from entering the plugs or the motor, which may cause poor contact or internal short circuits.

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Detailed introduction

This is a dual-plug throttle motor (also known as a throttle actuator) for excavators, a core control component for excavators of brands including Sunward, Zoomlion and Lovol.
1. Applicable Models
It is mainly compatible with domestic excavators such as Sunward SWE series (e.g. SWE150/210/230), Zoomlion and Lovol FR series, serving as a universal throttle control part for these models.
2. Key Specifications
Voltage versions: Available for 12V and 24V power supply, selectable according to the equipment circuit.
Interface type: Adopts a dual-plug design with dedicated waterproof connectors, which connect to the control and feedback circuits of the equipment. The pin definition of the original machine plug shall be followed during installation.
3. Core Functions
As the electronic throttle actuator of diesel engines, it receives signals from the controller to push the fuel injection pump governor lever and automatically adjust the engine speed. Replacing traditional manual throttle cables, it is an essential part for excavators to realize electronic speed regulation, idle speed control and automatic fuel supply.
Brief Working Principle
The throttle knob outputs voltage signals of different gears. The controller compares these signals with the feedback voltage from the built-in potentiometer of the motor to drive the motor to rotate forward or reversely.
The motor drives the push rod to extend and retract via its internal lead screw mechanism, moving the fuel injection pump governor lever to increase or decrease fuel supply.
The two plugs are respectively responsible for power supply and position feedback signal transmission, ensuring precise closed-loop control of speed regulation.
Notes on Selection and Installation
Voltage matching: Confirm whether the equipment uses 12V or 24V power supply. A wrong choice will burn out the motor or render it inoperable.
Plug pin definition: The pin definition of the dual plugs must be consistent with that of the original machine, otherwise malfunctions including no movement, reverse movement or loss of feedback will occur.
Stroke and mounting position: Check the push rod stroke and mounting hole spacing to ensure compatibility with the original throttle link mechanism, preventing jamming or incomplete movement.
Waterproofing and rust prevention: Seal the connectors properly during installation to stop mud and water from entering the plugs or the motor, which may cause poor contact or internal short circuits.

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