ABB 560PSU01 Power Supply Unit

Description

The ABB 560PSU01 is a high-performance regulated power supply unit designed for RTU560 remote terminal systems. It provides stable +5 V DC and +24 V DC outputs, ensuring reliable operation of connected subracks and communication modules. Moreover, it supports redundancy, which increases system availability in critical industrial and utility applications. The unit’s compact design allows easy integration into 560MPR03 and 560SFR02 subracks, making it ideal for distributed control and monitoring systems.

Key Features and Functional Highlights

• Supplies precise +5 V DC and +24 V DC to RTU560 subracks.

• Supports up to four communication modules (CMU) per subrack.

• Allows parallel operation of two units for redundancy and automatic failover.

• Provides galvanic isolation between input and output for enhanced safety.

• Includes natural convection cooling to ensure silent and reliable operation.

• Protects against short-circuits, over-voltage, and reverse polarity conditions.

• Features LED indicators and alarm signaling for quick fault identification.

• Withstands input voltage interruptions up to 50 milliseconds without downtime.

Technical Specifications

• Input Voltage Range: 110–220 V DC (–20% to +15%)

• Output Voltages: +5 V DC, +24 V DC

• Output Power: 44.3 W

• Load Capacity: Up to 4 communication modules per subrack

• Redundancy: Parallel operation with automatic load sharing and failover

• Protection:

• Galvanic isolation

• Short-circuit protection

• Input over-voltage protection

• Reverse polarity protection

• Electronic power limitation

• Cooling: Natural convection

• Indicators: LED output voltage status

• Alarm: Signals output failure or module fault

Typical Applications

• Utility automation and power distribution monitoring systems.

• Industrial RTU560 systems requiring high availability and stable power.

• Integration with subracks 560MPR03 and 560SFR02.

• Distributed process control and remote monitoring in critical industrial environments.

Support & Reliability

The ABB 560PSU01 is engineered for long-term reliability under industrial conditions. Routine preventive maintenance ensures stable voltage supply, and ABB-certified spare parts maximize operational lifetime.

FAQ

Q1: Can the 560PSU01 support multiple subracks?
A1: Yes, each unit can support up to four communication modules per subrack, and parallel operation allows multiple units.

Q2: Does it include protection features?
A2: Absolutely. It offers galvanic isolation, short-circuit, over-voltage, and reverse polarity protections.

Q3: What redundancy options are available?
A3: Two units can operate in parallel, enabling automatic load sharing and failover in case of unit failure.

Q4: What environments are suitable for this PSU?
A4: It is suitable for industrial and utility automation requiring high availability and stable DC outputs.