PLCs, Power Supplies & Others

Product Overview

The Siemens 7KE6000-8AE/CC functions as a robust industrial power supply for automation and control systems. This module converts AC mains power to regulated DC voltage for reliable operation of PLCs, sensors, and actuators. We engineered the 7KE6000-8AE/CC to deliver clean, stable power in demanding industrial environments with fluctuating line conditions.

Technical Specifications

Key Features and Benefits

• Wide-Range Universal Input: The 7KE6000-8AE/CC accepts any voltage from 85 to 264 VAC without manual switching. You can install this supply anywhere in the world without worrying about local mains voltage.

• Stable Regulated Output: Output voltage remains within ±1% despite line and load variations. Consequently, sensitive electronic equipment receives consistent power for reliable operation.

• High Efficiency and Low Heat: With >89% efficiency, this supply generates minimal heat even at full load. Therefore, you can mount it in sealed enclosures without excessive thermal buildup.

• Comprehensive Electronic Protection: Built-in safeguards protect against overloads, short circuits, overvoltages, and overtemperature conditions. The supply automatically recovers when faults clear, minimizing downtime.

• Compact DIN Rail Format: The slim 70 mm width saves valuable space in control cabinets. This compact design allows high-density mounting alongside other automation components.

Detailed Functional Description

The primary function of the Siemens 7KE6000-8AE/CC involves converting AC line power into regulated 24 VDC for industrial control systems. Specifically, it uses switch-mode technology with active power factor correction to achieve high efficiency while minimizing harmonic distortion. The module maintains output voltage within tight tolerances across all operating conditions, ensuring clean power for PLCs, HMIs, sensors, and communication interfaces. Furthermore, the built-in hold-up time provides >30 ms of ride-through during brief AC interruptions, preventing nuisance system resets.

Output Characteristics and Performance

We designed the 7KE6000-8AE/CC to deliver clean DC power suitable for all types of industrial loads. The output exhibits less than 50 mVp-p ripple and noise, meeting the stringent requirements of analog circuits and fieldbus communication interfaces. For motor starting and other high-inrush applications, the supply handles momentary overloads up to 150% for several seconds without shutdown. The green DC OK LED provides immediate visual confirmation of normal operation, while a red LED signals overload or fault conditions.

Protection and Safety Features

The Siemens 7KE6000-8AE/CC incorporates multiple protection mechanisms to ensure system integrity:

• Overload Protection: Constant current limiting with automatic recovery prevents damage from excessive loads

• Short Circuit Protection: Continuous protection with no damage to the supply under any output short condition

• Overvoltage Protection: Crowbar circuit activates below 32 VDC, requiring a power cycle to reset

• Overtemperature Protection: Thermal shutdown with automatic recovery when temperature normalizes

• Input Transient Protection: Internal varistors and filters suppress line surges and spikes per IEC 61000-4-5

Mechanical and Installation Details

The Siemens 7KE6000-8AE/CC features a rugged metal housing designed for industrial environments. Its DIN rail mounting clip allows tool-less installation on standard TS35 rails, significantly reducing mounting time. The front-facing terminals accept wires from 12 to 22 AWG, with clear labeling for input, output, and ground connections. A protective cover over the terminals prevents accidental contact with live connections, enhancing safety during maintenance. The integrated DC OK relay provides a remote status signal for monitoring systems.

Integration with Control Systems

You can integrate the 7KE6000-8AE/CC seamlessly into any 24 VDC control system architecture. Its regulated output directly powers Siemens PLCs, I/O modules, and field devices without additional conditioning. The DC OK relay contact connects to a digital input on the PLC, enabling automated alerts for power supply faults. For redundant power configurations, you can connect two units in parallel using external decoupling diodes, creating a fault-tolerant power architecture for critical applications.

Common Industrial Applications

The Siemens 7KE6000-8AE/CC serves as the primary power source for diverse industrial applications:

Why Choose This Power Supply?

Selecting the Siemens 7KE6000-8AE/CC means choosing reliable, efficient power delivery for your critical control systems. Its 5 A capacity handles substantial loads while maintaining tight voltage regulation, ensuring consistent operation of all connected devices. The >89% efficiency reduces energy costs and heat generation, allowing higher density panel layouts without thermal concerns. Comprehensive protection features safeguard your investment against common electrical faults, while the compact DIN rail format simplifies installation. With worldwide input voltage capability, you can standardize on this supply for global machine builds. For applications requiring robust, industrial-grade 24 VDC power, the 7KE6000-8AE/CC provides the performance and reliability you expect from Siemens.

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