ABB 3HAC044075-001 Battery Unit

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1. Product Overview

The ABB 3HAC044075-001 Battery Unit is a backup power module for industrial automation systems and control devices. It is used in UPS and battery-powered systems to provide short-term power to critical controllers and modules, ensuring safe operation during power outages or voltage fluctuations. The battery unit offers high reliability, long life, and industrial-grade safety, making it a crucial component for uninterrupted industrial operation.

2. Main Technical Parameters (Typical)

Electrical Parameters

• Battery type: Sealed Lead Acid (SLA) / Rechargeable

• Nominal voltage: 24 V DC

• Capacity: 7.5 Ah

• Maximum discharge current: 20 A (instantaneous)

• Charging voltage: 27.6 V DC (standard)

• Service life: approx. 3–5 years (depends on usage and charge/discharge cycles)

Mechanical and Installation

• Dimensions: approx. 151 mm × 65 mm × 94 mm

• Weight: approx. 2.3 kg

• Mounting: Control cabinet or dedicated battery compartment

• Terminals: Quick-connect plug or screw terminals

Operating Environment

• Operating temperature: 0°C to +40°C (charging), -20°C to +50°C (discharging)

• Relative humidity: 20%–90% (non-condensing)

• Suitable for continuous industrial environments

Safety and Certifications

• Leak-proof sealed design

• Short-circuit and overcharge protection

• Compliant with IEC 61056, UL 94 and other industrial safety standards

3. Advantages and Features

• Reliable backup power: Ensures control systems remain operational during power outages or voltage fluctuations

• Long service life: Sealed lead-acid battery, low maintenance

• Industrial-grade safety: Leak-proof, short-circuit and overcharge protection

• Compact structure: Easy installation in control cabinets or battery compartments

• High-performance charge/discharge: Supports short-term high-load requirements

4. Typical Applications

• Industrial automation systems

• Backup power for PLC and DCS control cabinets

• Robotics control systems

• Power and distribution equipment

• UPS (Uninterruptible Power Supply) systems

• Factory production lines and critical equipment power supply

5. Application Notes

• Ensure battery voltage and capacity match the control system

• Install in a ventilated area to avoid high temperatures affecting lifespan

• Avoid short circuits; connect positive and negative terminals correctly

• Regularly check battery status, charging, and terminal tightness

• Replace after end-of-life to maintain reliable system operation

The structure and details of the product：

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