Siemens Sitop PSU3400 Stabilized power supply, 12VDC, 8A

Product Overview

The SIMATIC SITOP PSU3400 12V/8A DC/DC Converter delivers robust power conversion with wide input voltage tolerance for demanding industrial automation applications. This active product provides stable 12V DC output from 24V DC input systems, featuring advanced input voltage range capability from 14-32V DC for reliable operation with fluctuating power sources including battery systems. Enhanced with high efficiency design up to 93.5%, reverse polarity protection, and slim housing configuration for space-efficient installation in industrial environments.

Key Features

• Wide Input Voltage Range: 14-32V DC input tolerance for operation with varying power sources
• High Output Capacity: 12V DC / 8A stabilized output for demanding load requirements
• Advanced Efficiency: Up to 93.5% efficiency with minimal no-load losses (max 1.5W)
• Reverse Polarity Protection: Input protection prevents damage from incorrect wiring
• Adjustable Output Voltage: Compensation capability for voltage drop applications
• Permanent Overload Capability: 1.2x rated current capability up to 40°C ambient temperature
• Slim Design: Compact 32mm width housing for space-efficient installation
• LED Status Indication: Visual operating state recognition for maintenance diagnostics

Technical Specifications

• Input Voltage: 24V DC (14-32V DC) | Output Voltage: 12V DC stabilized
• Output Current: 8A maximum | Power Output: 96W
• Efficiency: Up to 93.5% | Weight: 0.400 kg
• Operating Temperature: -25°C to +70°C (derating >60°C) | Dimensions: 12.00 x 14.00 x 4.50 cm
• Protection Class: Standard industrial protection | No-Load Losses: Max 1.5W
• Overload Protection: 1.2x rated current capability | Input Protection: Reverse polarity protected
• Isolation Voltage: 1.5kV DC input/output | Mounting: DIN rail standard

Applications & Integration

Primary Applications:

• Battery-powered industrial automation systems requiring stable 12V DC supply
• Mobile and transportation applications with fluctuating input voltages
• Process control systems requiring reliable power conversion from 24V DC sources
• Emergency backup power systems with battery operation capability

System Compatibility:

• Compatible with SIMATIC automation systems and controllers
• Integration with various battery types and charging systems
• Suitable for parallel switching configurations for increased power capacity
• Compatible with common industrial communication and control networks

Quality & Compliance

• Status: PM300 Active Product | Origin: Hungary
• EAN: 4025515155539 | UPC: 804766858000
• RoHS Compliant: Since 23.01.2012 | WEEE: Take-back obligation applies
• REACH: Contains lead above 0.1% w/w (safe when used as intended)
• Export Control: AL: N / ECCN: N
• Certifications: CE marking, cULus approval, DNV GL, ABS approvals
• Product Class: A - Standard stock item with return capability

Package Contents

• 1 × SITOP PSU3400 12V/8A DC/DC Converter Module, technical documentation, installation accessories

Download existing graphical data for this product:

• Product Information Page
• SITOP PSU3400 Product Family
• Data Sheet
• Official Support Documentation
• Technical Support Forum