ABB DSQC385 3HAC9565-1 Filter Unit

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 1. Product Overview

The ABB DSQC385 3HAC9565-1 Filter Unit is a power line filter used in ABB industrial robots and automation systems. It reduces electromagnetic interference (EMI) and high-frequency noise in servo drives and control systems. The filter effectively suppresses harmonics in the power grid and drive circuits, ensuring power quality and system stability, thereby improving the reliability and service life of servo drives, motors, and controllers.

2. Main Technical Parameters (Typical)

Electrical Data

• Model: DSQC385 3HAC9565-1

• Rated voltage: 3-phase AC 380–480 V

• Rated current: Typically 10–20 A depending on drive system

• Frequency: 50/60 Hz

• Filter type: EMI / RFI filter

• Connection: Input/output terminal wiring

• Noise suppression: Effectively reduces high-frequency noise and harmonics

Environmental & Operating Conditions

• Operating temperature: 0°C to +50°C

• Storage temperature: ‑20°C to +70°C

• Relative humidity: 5%–95% (non-condensing)

• Installation environment: Inside control cabinet or near drive unit

• Protection: Suitable for industrial internal environment

Mechanical & Installation

• Mounting: Control cabinet or drive unit fixed installation

• Dimensions: Compact, modular design for easy integration

• Weight: approx. 5–8 kg

• Cooling: Natural convection

Standards & Certifications

• Compliant with IEC/EN 60939

• CE, UL, RoHS certified

3. Advantages and Features

• High-efficiency filtering: Effectively suppresses EMI/RFI and high-frequency noise

• Enhances system reliability: Protects servo drives, controllers, and motors

• Modular design: Easy to install, maintain, and upgrade

• Industrial-grade design: High temperature and vibration resistance, suitable for harsh environments

• Strong compatibility: Seamless integration with ABB servo drives and control systems

4. Typical Applications

• ABB industrial robot control systems

• Drive systems in automated production lines

• CNC and precision machinery motion control

• Automated assembly and handling equipment

• Servo-controlled power systems in process industries

5. Application Notes

• Ensure the filter unit voltage and current ratings match the system

• Install close to servo drive or power terminals for best performance

• Maintain ventilation to prevent overheating

• Periodically check terminal connections and filter condition

• Avoid prolonged operation in high-humidity or dusty environments

• Avoid overload operation to maintain system stability

The structure and details of the product：

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