ABB SAFT120PAC Power Supply Module – Industrial-Grade Power for ABB Control and Automation Systems

Product Overview

The ABB SAFT120PAC is a rugged and intelligent power supply module engineered to provide stable, filtered DC power to ABB’s distributed control and automation systems. It’s widely used in Symphony Plus, Advant, and MOD 300 environments, ensuring that controllers, I/O modules, and communication processors receive consistent and clean power under demanding industrial conditions.

This module stands out for its robust design, electrical noise immunity, and redundancy compatibility, making it suitable for mission-critical process industries such as power generation, petrochemical production, and heavy manufacturing. The SAFT120PAC ensures operational reliability, reduced downtime, and simplified maintenance for long-term plant performance.

Technical Specifications

Implementation Areas

• Power Plants: Continuous operation for turbine and boiler control systems.

• Oil & Gas Facilities: Reliable power backbone for process safety and control networks.

• Chemical Plants: Noise-free DC supply for instrumentation and automation panels.

• Water Treatment Plants: Powers logic and monitoring systems in distributed architectures.

• Metals & Mining: Withstands vibration and voltage spikes in harsh industrial sites.

• Manufacturing Automation: Ensures PLC and HMI systems remain powered under all load conditions.

• Marine & Offshore Installations: Corrosion-resistant and humidity-tolerant construction.

Core Advantages

• High Electrical Stability: Maintains constant 24 VDC output under dynamic load conditions.

• Comprehensive Protection: Built-in overvoltage, short-circuit, and thermal safeguards.

• Redundant Operation Ready: Supports dual-module configurations for zero-downtime environments.

• Compact and Modular: Space-saving design for control cabinets.

• Low Maintenance: Fanless cooling reduces wear and extends operational lifespan.

• Efficient Thermal Design: Excellent heat dissipation without forced air cooling.

• Global Voltage Compatibility: Operates across wide input voltage ranges.

• Field Diagnostics: Clear LED indicators for real-time system health.

• Proven Reliability: Designed and validated for ABB industrial automation ecosystems.

• Long Service Life: Built for 24/7 operation under industrial load conditions.

Technical FAQs

1. Q: What control systems are compatible with SAFT120PAC?
   A: It’s fully compatible with ABB Symphony Plus, Advant, and MOD 300 control systems.

2. Q: Can this module operate in redundant configurations?
   A: Yes, it supports parallel or dual redundant operation for fault-tolerant setups.

3. Q: What’s the nominal DC output voltage?
   A: 24 VDC regulated output with ±1% tolerance.

4. Q: Is the SAFT120PAC hot-swappable?
   A: It supports rapid replacement under controlled shutdown conditions.

5. Q: What protections are built into the power circuit?
   A: Overvoltage, short-circuit, and overcurrent protection with automatic recovery.

6. Q: What type of cooling does it use?
   A: Natural convection—no fans or moving parts, ensuring silent reliability.

7. Q: Can it power multiple ABB modules simultaneously?
   A: Yes, within its 5 A continuous current limit.

8. Q: Are there diagnostic features for maintenance?
   A: LED indicators display Power OK and Fault status for quick field checks.

9. Q: Does it meet EMC compliance standards?
   A: Yes, it complies with IEC/EN 61000-6-2 and 61000-6-4 industrial EMC standards.

10. Q: What’s its approximate lifespan under continuous operation?
    A: Typically over 10 years under normal industrial environmental conditions.

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