Siemens 6ES74050KR020AA0

Technical Parameters

Input current

Rated value at 24 V DC: 4 A

Rated value at 48 V AC :2 A

Rated value at 60 V AC: 1.6 A

Inrush current, max : 18 A; Full width at half maximum20 ms

Output current for backplane bus (5 V DC), max: 10 A; no base load required

for backplane bus (24 V DC), max: 1 A; idling-proof

Short-circuit protection: Yes

Active power input, typ: 95 W

Power loss, typ: 20 W

Key Features

The Siemens 6ES74050KR020AA0 combines robustness with intelligent power management:

10A Output Capacity: Delivers 5V DC/10A to power SIMATIC S7-400 PLC systems, ensuring stable operation for CPU modules, I/O cards, and communication interfaces .

Redundancy Support: Designed for critical applications, the Siemens 6ES74050KR020AA0 enables parallel operation with a second module, providing failover protection in industries like power generation or chemical processing .

Natural Convection Cooling: Eliminates the need for fans, reducing maintenance costs and enhancing reliability in dusty or humid environments .

Modular Design: Easily integrates into existing S7-400 racks, allowing quick upgrades without system downtime .

Compatible Equipment

The Siemens 6ES74050KR020AA0 serves as the backbone for S7-400 PLC setups, pairing with:

S7-400 CPUs: Compatible with controllers like 6ES7412-5HK06-0AB0, ensuring seamless communication and power distribution in multi-axis automation systems .

Interface Modules: Works with IM460-1 (6ES7460-1AA00-0AA0) for centralized expansion or IM467 (6ES7467-5GJ00-0AB0) for distributed PROFIBUS networks .

Redundant Power Systems: Integrates with PS407 (6ES7407-0DA02-0AA0) for dual-power configurations in mission-critical facilities like data centers or pharmaceutical plants .

Application Scenarios

The Siemens 6ES74050KR020AA0 powers automation across industries:

Automotive Manufacturing: Ensures stable power for robotic welding arms and conveyor systems in high-speed production lines, minimizing downtime during shift changes .

Energy Management: Supports PLCs in smart grid substations, enabling real-time monitoring of voltage fluctuations and load balancing .

Water Treatment Plants: Powers sensors and actuators in chemical dosing systems, maintaining precise pH control and flow regulation .

Food & Beverage Processing: Safeguards hygiene-critical operations by providing uninterrupted power to CIP (Clean-in-Place) automation systems .