Product Specification – X20PS3300

1. General Information

• Manufacturer: B&R Industrial Automation (ABB Group)

• Part Number: X20PS3300

• Product Type: Dual-Channel System Power Supply Module

• Product Series: X20 System

• Protection Class: IP20

• Module Width: 12.5 mm

• Product Status: Active mass production

• Input Voltage: 24 VDC (-15% / +20%)

2. Product Overview

3. Technical Specifications

3.1 Power Characteristics

• Input Voltage: 24 VDC nominal, operating range 20.4 VDC ~ 28.8 VDC

• Output Channel 1 (System Logic): Isolated 24 VDC for X20 backplane internal electronics

• Output Channel 2 (Field Auxiliary): Isolated 24 VDC for field sensors, actuators and external devices

• Total Output Current: Up to 10 A combined (flexible allocation between channels)

• Galvanic Isolation:

  • Between input and both output channels: 500 V eff

  • Between Channel 1 and Channel 2: 500 V eff

• Ripple & Noise: Ultra-low output ripple (< 20 mVpp) for stable logic operation

• Inrush Current Limiting: Integrated soft-start circuit to suppress inrush current

3.2 Protection Features

• Overload protection on both output channels (electronic current limiting)

• Short-circuit protection (auto-resetting electronic fuse)

• Reverse polarity protection on input

• Overvoltage protection (clamping circuit)

• Overtemperature protection (thermal shutdown with auto-recovery)

3.3 Mechanical & Environmental

• Mounting: Standard 35 mm DIN rail, X20 backplane plug-in

• Hot Swap: Full hot-swap capability (replace under power without system shutdown)

• Operating Temperature:

  • Horizontal: -25 °C ~ +60 °C

  • Vertical: -25 °C ~ +50 °C

• Storage Temperature: -40 °C ~ +85 °C

• Relative Humidity: 5% ~ 95%, non-condensing

• Vibration/Shock: Compliant with IEC 60068-2-6 (vibration) / IEC 60068-2-27 (shock)

3.4 Status Indicators & Diagnostics

• Multi-color LED indicators for:

  • Power ON (green)

  • Channel 1 OK (green)

  • Channel 2 OK (green)

  • Overload / Fault (red)

• Comprehensive diagnostics via B&R Automation Studio

• Per-channel current monitoring and fault reporting

• Early warning for overload conditions

4. Key Features

• Dual isolated 24 VDC outputs (system logic + field auxiliary)

• 500 V three-way galvanic isolation (input / CH1 / CH2)

• High output current capacity (up to 10 A total)

• Complete protection suite (overload, short-circuit, reverse polarity, overtemperature)

• Ultra-compact 12.5 mm width saves cabinet space

• Hot-swappable for maintenance without downtime

• Wide industrial temperature range for harsh environments

• Low power dissipation, high efficiency

• Full diagnostic integration with Automation Studio

• Seamless compatibility with all X20 CPUs, I/O and interface modules

5. Typical Applications

• High-density X20 distributed I/O stations requiring separate system/field power

• Applications demanding high electrical isolation between control and field levels

• Factory automation, machinery and process control systems

• Systems with long field cable runs or high electromagnetic interference

• Safety-related control circuits requiring isolated auxiliary power

• Packaging, material handling and assembly line control systems

6. Compatibility

• Fully compatible with all X20 CPU modules, base modules and I/O modules

• Configuration & diagnostics: B&R Automation Studio (all versions)

• Mounting: Standard X20 backplane bus and terminal system