Description
- Model & Brand: Siemens / SITOP Series (Catalog No. 6EP4347-7RB00-0AX0 / SITOP RED1200 Redundancy Module)
- Physical Dimensions: Compact modular DIN-rail profile (30 mm × 135 mm × 125 mm format)
- Estimated Shipping Weight: 0.72 kg (Packaged in multi-layer anti-static ESD shielding and structural foam crating)
- What’s in the Box: SITOP RED1200 redundancy module, pluggable terminal blocks, and factory inspection test report.
Mission-critical industrial automation, switchgear controls, and continuous process plants rely on fault-tolerant 24V or 48V power distribution architectures to eliminate single points of failure. System engineers integrate the Siemens SITOP RED1200 Redundancy Module (Catalog No. 6EP4347-7RB00-0AX0) directly into control cabinet DIN-rail layouts to decouple two parallel-connected SITOP power supplies, ensuring seamless load transfer if one primary supply fails or experiences an internal short-circuit (—which is vital for maintaining continuous PLC uptime and preventing costly emergency shutdowns).
Cabinet technicians must ensure adequate thermal spacing and proper wire gauge sizing to handle input/output current throughput without excessive voltage drop.
| Parameter | Value |
| System Platform | Siemens SITOP Add-On Power Supply Modules |
| Device Type | Redundancy Module / Decoupling Unit (RED1200) |
| Input / Output Voltage Range | DC 24 V to 48 V (Input voltage range: 10 V to 58 V DC) |
| Nominal Output Current | 40 A total (Suitable for decoupling two supplies with max. 20 A each) |
| Efficiency | > 97.5% at rated load |
| Operating Temperature | -25°C to +70°C ambient enclosure range |
| Enclosure Protection | IP20 modular DIN-rail housing |
Auditors inspecting industrial control cabinets and power distribution infrastructure demand rigorous documentation verifying electrical safety, isolation, and compliance.
- CE Mark: Confirms conformity with European Union directives covering electromagnetic compatibility (EMC) and low-voltage safety.
- cULus Listed: Validates North American industrial standards for industrial control and power conversion equipment.
- IEC / EN Standards: Complies with international specifications for adjustable power supplies and industrial control panels.
- RoHS Compliance: Restricts hazardous chemical substances in electronic component manufacturing.
Compliance Note: Compliance with industrial safety standards guarantees that internal decoupling MOSFET or diode structures safely isolate faulted power channels without reverse-feeding current into failed power supply units. Verify specific test certificates with Siemens prior to facility safety audits.
Dormant redundancy modules stored in warehouse stockroom bins face terminal oxidation and semiconductor component aging if environmental parameters escape strict control limits.
Keep the module sealed tightly inside its original anti-static (ESD) packaging to safeguard internal solid-state switching components from static discharge. Maintain warehouse storage temperatures between -40°C and +85°C with relative humidity kept strictly below 95% non-condensing to prevent terminal corrosion on pluggable screw blocks. Ensure the hardware remains protected from heavy physical drop forces that could crack the modular polyamide housing.
DIN-rail structural stability and vertical convection airflow dictate precise physical placement inside the control cabinet enclosure. Ensure all upstream power feeds are completely locked out (LOTO) prior to handling. Snap the module securely onto a standard 35 mm DIN rail (EN 60715), verifying that required minimum spacing clearances are observed to maintain optimal thermal dissipation.
- What is the correct HS Tariff Code for international customs clearance?
Industrial power supply accessories and redundancy modules classify under harmonized code 8504.90.90 (or regional equivalent 8504.40), though exact regional rulings should be verified with your broker.
- Does this redundancy module require software programming or configuration?
Hardware assembly 6EP4347-7RB00-0AX0 operates as a plug-and-play passive/active hardware decoupling component requiring no software configuration or firmware flashing.
- How does the Country of Origin (COO) impact global trade compliance?
The verified COO dictates trade agreement qualification and must match commercial shipping paperwork to eliminate border customs clearance delays.
- Why is comprehensive transit insurance mandatory for this component?
Internal current-carrying bus bars, precision electronic decoupling circuits, and modular terminal blocks can suffer structural strain or terminal distortion under severe drop impacts during freight transit.
