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6EP1333-3BA00 is a Siemens SITOP Smart DC power supply, engineered to deliver reliable 24V DC power for industrial automation applications. As part of the SITOP Smart series, it combines robust performance, compact design, and advanced protection features to meet the rigorous demands of industrial environments. Here’s a detailed breakdown:
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Core Electrical Specifications:
This module provides a rated output of 24V DC with a maximum current of 20A, resulting in a total output power of 480W. It is designed to supply consistent power to critical industrial components such as PLCs, sensors, actuators, and control systems. -
Input Characteristics:
It accepts a wide AC input voltage range of 85–132V/170–264V, ensuring compatibility with global mains supplies (120V and 230V). The input frequency ranges from 47–63Hz, enhancing adaptability to varying grid conditions. The rated input current is 8.4A (at 120V) and 4.6A (at 230V). -
Output Performance:
- The output voltage is adjustable within a narrow range (typically 22.8–25.2V) to suit specific system requirements.
- It maintains low output ripple (≤150mV peak-to-peak), ensuring clean power that minimizes interference with sensitive electronics.
- The module supports short-term overloads, with a peak current capability of 24A for up to 5 seconds, accommodating temporary high-power demands from connected devices.
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Efficiency and Protection Features:
- Achieves high efficiency (up to 89% at rated load), reducing energy loss and heat generation—critical for compact control cabinet setups.
- Integrated protection mechanisms include:
- Short-circuit protection: Limits current during a short circuit to prevent damage to the power supply and connected equipment.
- Overload protection: Safeguards against excessive current draw beyond the 20A rating.
- Overvoltage protection: Triggers at approximately 33V to shield downstream devices from voltage spikes.
- Over-temperature protection: Temporarily shuts down if internal temperatures exceed safe limits, resuming operation once cooled.
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Design and Installation:
- Features a space-saving design with dimensions of 125mm (width) × 125mm (height) × 125mm (depth), optimized for DIN rail mounting (EN 60715, 35mm width).
- A green LED indicator on the front panel illuminates when the output voltage is within the normal range, providing instant visual confirmation of operational status.
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Environmental and Safety Compliance:
- Operates in a temperature range of 0°C to 60°C (with derating above 45°C) and can be stored at -20°C to 70°C.
- Withstands industrial vibration (10–57Hz, 0.15mm amplitude) and shock (15g acceleration for 11ms), ensuring durability in harsh settings.
- Complies with international standards and certifications, including CE, cULus, FM, and ATEX, meeting safety, electromagnetic compatibility (EMC), and hazardous area requirements.
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Typical Applications:
Ideal for powering components in large-scale industrial automation systems, such as:- High-power factory automation lines (e.g., automotive assembly, heavy machinery)
- Robotic workcells and material handling systems
- Process control systems with multiple sensors and actuators
- Control cabinets housing PLCs, HMIs, and complex I/O modules
In summary, the 6EP1333-3BA00 is a high-capacity, efficient power supply that combines reliability, compactness, and robust protection—making it a versatile solution for powering 24V DC industrial equipment in demanding, high-power applications.
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