Siemens RED1200 Redundancy module, input/output: 24/48VDC, 20A Part number 6EP4346-7RB00-0AX0

Product Overview

The Siemens SITOP RED1200 Redundancy Module (SKU: 6EP4346-7RB00-0AX0) is designed to ensure high system availability in 24 V and 48 V DC power supply systems. It enables the parallel connection of two SITOP power supplies, providing a reliable power supply to critical loads even in the event of a failure of one power supply. The module ensures seamless decoupling between power sources for maximum operational safety.

Key Features

• For decoupling two SITOP power supplies up to 20 A total output current (10 A per supply)
• Wide input voltage range: 12 V DC to 48 V DC (extended 10 V DC to 58 V DC)
• High efficiency of up to 97.5%
• Integrated reverse polarity protection
• Compact, DIN-rail mountable design with push-in terminals
• Protection class IP20 for safe installation in control cabinets

Technical Specifications

• Product Type: SITOP RED1200 Redundancy Module
• Article Number: 6EP4346-7RB00-0AX0
• Input Voltage: 12 – 48 V DC (extended 10 – 58 V DC)
• Rated Output Voltage: 24 V DC
• Rated Output Current: 20 A (10 A per power supply)
• Efficiency: Approx. 97.5%
• Power Loss (typical): 12 W at rated load
• Operating Temperature Range: –25 °C to +70 °C
• Storage Temperature Range: –40 °C to +85 °C
• Protection Rating: IP20
• Mounting Type: DIN-rail mounting
• Dimensions (W × H × D): 35 mm × 135 mm × 125 mm
• Weight: Approx. 0.5 kg

Compliance & Certifications

• Complies with CE standards
• UL and cUL listed
• RoHS compliant

Applications

Ideal for use in industrial automation and control systems requiring uninterrupted 24 V or 48 V DC power. The SITOP RED1200 module ensures redundant power operation, increasing reliability and protecting critical loads in demanding environments such as manufacturing, process control, and building automation.