CHINT JD-5 Motor Protection Circuit Breaker – Thermal Overload Guard

Description

Chint JD-5 Motor Protector, 0.5-400A, 220V/380V, Phase Loss & Overload Protection

Product Overview

The Chint JD-5 series three-phase motor integrated protector is a high-performance industrial motor protection device, designed to safeguard three-phase asynchronous motors from phase loss, overload, and other faults. With a rated insulation voltage of 690V, 50Hz frequency, and a wide current range from 0.5A to 400A, this protector is compatible with motors from 0.25kW to 200kW, supporting both 220V and 380V control power supplies. Featuring a 10A trip class, continuously adjustable setting current, and through-core wiring, it provides reliable, real-time protection for motors in industrial automation, production lines, and mechanical equipment, ensuring safe and stable operation.

DATA SHEET

Core Features

1. Comprehensive Motor Protection
   Built-in phase loss and overload protection functions, automatically tripping to cut off the power supply when faults occur, effectively preventing motor burnout and extending service life.
2. Continuously Adjustable Setting Current
   The setting current can be continuously adjusted within the rated range, allowing precise matching to different motor power and load conditions, ensuring flexible and accurate protection.
3. 10A Trip Class & High Reliability
   Class 10A trip characteristic provides optimal protection for motor starting, avoiding false tripping during normal startup while ensuring rapid response to overload faults.
4. Through-Core Wiring Design
   Through-core wiring for easy installation, with two wiring methods: single through-core for currents above 3A, and secondary through-core for currents below 3A, adapting to different wiring scenarios.
5. Visual Status Indication
   Three independent indicator lights clearly display phase loss, running, and overload status, enabling real-time monitoring of motor operation and quick fault diagnosis.
6. Dual Voltage Compatibility
   Compatible with both AC 220V and 380V control power supplies, suitable for various industrial control systems and motor control circuits.
7. Durable & Easy Installation
   Robust three-phase electronic structure with screw mounting, ensuring long-term stable operation in harsh industrial environments, with simple wiring and easy maintenance.

Application Scenarios

• Industrial automation equipment, CNC machinery, and production lines
• Three-phase asynchronous motors, water pumps, fans, and conveyor systems
• Electrical control panels, power distribution systems, and motor control centers
• Mechanical equipment, machine tools, and industrial machinery
• Commercial and industrial motor protection systems

Important Notes

• Model Selection: Choose the correct model based on motor rated current and power.
• Wiring: Follow the wiring diagram for correct through-core wiring and control circuit connection.
• Reset: The protector requires power-off reset after tripping.
• Installation: Ensure proper screw mounting and ventilation for heat dissipation.

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