Product Specification – X20BM33

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20BM33

• Product Type: Bus Base Module with Power Isolation

• Product Series: X20 Distributed I/O System

• Certifications: CE, UKCA, cULus, EAC, KC, ATEX Zone 2

• Product Status: Active in production

• Protection Class: IP20

2. Product Overview

3. Technical Specifications

3.1 Electrical Characteristics

• Rated supply voltage: 24 VDC

• Maximum I/O contact load current: 10 A

• Bus power consumption: 0.01 W

• Backplane interface: X2X Link internal high-speed bus

• Isolation feature: I/O power supply cut off on the right side, connected on the left side

• Galvanic isolation between field circuit and internal logic circuit

3.2 Mechanical Parameters

• Module width: 12.5 mm

• Mounting: Standard DIN rail installation

• Weight: Approximately 0.05 kg

• Compatible terminal blocks: X20TB06, X20TB12

• Support hot swap of X20 modules

3.3 Environmental Conditions

• Operating temperature

  Horizontal installation: -25 °C to +60 °C

  Vertical installation: -25 °C to +50 °C

• Storage temperature: -40 °C to +85 °C

• Relative humidity: 5% ~ 95% RH, non-condensing

• Vibration and shock: Compliant with IEC 60068 industrial standard

4. Key Features

• Standard 12.5 mm narrow width for high-density installation

• Left-side I/O power connected, right-side I/O power isolated and interrupted

• Convenient to divide independent potential groups on the right segment of I/O station

• Integrates mechanical fixing, backplane communication and power distribution

• Perfectly compatible with all conventional X20 I/O slice modules

• Wide temperature design adapting to harsh industrial sites

• Hot-swap supported for online replacement and maintenance

• ATEX Zone 2 certification applicable to hazardous area occasions

• Maintenance-free passive structure, stable and reliable for long-term use

5. Typical Applications

• Partitioning independent power potential groups on the right side of X20 I/O station

• Isolating digital and analog signal power loops to reduce mutual interference

• Process automation, machinery production line control cabinet layout

• Water treatment, energy, chemical industry automatic control system

• Zone 2 hazardous area distributed I/O signal collection and control

6. Compatibility

• Compatible with all X20 digital, analog, temperature and special function modules

• Matching terminal blocks: X20TB06, X20TB12

• Can be combined with X20BB80, X20BM01, X20BM11, X20BM15 to build complete I/O stations

7. Reliability and Support

• Industrial grade design for 24-hour continuous operation

• Follow B&R official standard warranty terms

• Long-term stable production and spare parts supply

• Multiple global certifications to meet international project application requirements