Siemens Base unit, U15-P16+A0+2B, BU type A0

Product Overview

The SIMATIC ET 200SP BaseUnit BU15-P16+A0+2B delivers reliable I/O module mounting capabilities with bridged potential group configuration for demanding industrial automation applications. Featuring BU type A0 design with push-in terminals and bridged-to-left functionality, this 15mm wide base unit provides seamless potential group continuation and standard load group functionality for versatile ET 200SP distributed I/O system implementations requiring efficient process terminal connections with electrical continuity.

Key Features

• BU Type A0 Configuration: Standard base unit design optimized for ET 200SP I/O module integration with proven reliability and performance
• Push-in Terminal Technology: Tool-free wiring connections supporting 0.14-2.5 mm²/AWG 26-14 wire cross-sections for rapid installation
• Bridged to the Left: Potential group continuation from the left side for seamless electrical connectivity across multiple base units
• Automatic Encoding: Built-in automatic encoding functionality for simplified system configuration and reduced setup time
• Compact 15mm Width: Space-efficient design with 15mm x 117mm footprint for maximum cabinet density optimization
• 16 Process Terminal Configuration: Comprehensive terminal layout providing 16 process terminals per slot for standard wiring scenarios
• No AUX Terminals: Streamlined design without auxiliary terminals for simplified wiring and reduced complexity
• Color-Coded Terminal Design: Standardized color coding (CC00 to CC09) for simplified identification and maintenance procedures

Technical Specifications

• Base Unit Type: BU15-P16+A0+2B, Type A0 | Dimensions: 15mm x 117mm x 35mm (W x H x D)
• Terminal Configuration: 16 process terminals + 0 AUX terminals | Weight: 0.048 kg
• Connection Type: Push-in terminals | Wire Cross-section: 0.14-2.5 mm²/AWG 26-14
• Temperature Sensor: No | Potential Group: Continued from the left (bridged)
• Current Rating: Max. 10A (P1/P2 bus), Max. 2A (process terminals)
• Supply Voltage: 24V DC with external protection (24V DC/10A miniature circuit breaker)
• Operating Temperature: -30°C to +60°C (horizontal), -30°C to +50°C (vertical)
• Installation Altitude: Up to 5,000m above sea level | Isolation: 707V DC (type test)
• Protection Rating: IP20 | Package Dimensions: 4.10 x 12.10 x 2.90 cm
• HW Functional Status: From FS06 | Mains Filter: Not integrated
• Automatic Encoding: Yes | New Potential Group: No (bridged from left)

Applications & Integration

Primary Applications:

• SIMATIC ET 200SP distributed I/O systems requiring potential group bridging without temperature monitoring
• Industrial process control with electrical continuity requirements and cost-effective base unit solutions
• Automation systems needing seamless potential group continuation across multiple base units
• Applications requiring reliable process terminal connections with simplified electrical distribution

System Compatibility:

• Compatible with SIMATIC ET 200SP I/O modules (digital, analog, communication)
• Integration with SIMATIC S7-1500 and S7-1200 controllers
• PROFINET and PROFIBUS communication protocol support
• TIA Portal engineering environment compatibility
• Hot-swappable I/O module replacement without affecting wiring
• DIN-rail mounting with lateral connection capability
• Seamless integration with other ET 200SP base units for extended potential group configurations

Quality & Compliance

• Status: Active Product (PM300) | Origin: Germany
• EAN: 4025515080848 | UPC: 040892933550
• RoHS Compliant: Since 31.01.2012 | WEEE: Take-back obligation applicable
• REACH: No current information on SVHC substances (regularly screened and updated)
• Export Control: AL: N / ECCN: N
• Certifications: FM (hazardous locations), NK/Nippon Kaiji Kyokai (maritime), CCS China Classification Society (maritime)
• Environmental: Global warming potential 0.873 kg CO2 equivalent (total lifecycle)

Package Contents

• 1 × ET 200SP BaseUnit BU15-P16+A0+2B (Type A0), technical documentation, installation accessories

Download existing graphical data for this product:

• Technical Datasheet
• Product Information Page
• Official Support Documentation
• CAD Models and 3D Data
• ET 200SP Base Units Manual