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      6EP3437-8SB00-0AY0

      AC DIN Rail Power Supply

      Product Information

      Product Describe

      SITOP PSU8200/3AC/24VDC/40A

      SITOP PSU8200 24 V/40 A stabilized

      power supply input: 400-500 V 3 AC output:

      24 V DC/40 A

      • Manufacturer:
        Siemens
      • Product Category:
        PLC System
      • Estimated shipping dimensions:
        13.5 x 14.5 x 15 cm
      • Weight:
        3.3 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        Germany
      • Place of shipment:
        Xiamen, Fujian, China
      • type of the power supply network:
        3-phase AC
      • line frequency:
        45 ... 65 Hz
      • I2t value maximum:
        2.24 A²·s
      • output voltage at DC rated value:
        24 V DC
      • adjustable output voltage:
        24 ... 28 V
      • efficiency in percent:
        94 %
      • protection class IP:
        IP20
      • ambient temperature during operation:
        -25 ... +70 °C; With natural convection
      • Stock:
        30
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of Siemens
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          FAQ

          • What fundamental role does 6EP3437-8SB00-0AY0 play in industrial power infrastructure, and how does its input configuration support global three-phase networks?
            6EP3437-8SB00-0AY0 is a high-capacity regulated power supply from the SITOP PSU8200 family designed to deliver a stable 24 V DC / 40 A output from a three-phase AC input (400–500 V). Its wide-range input (320–575 V AC) allows direct interfacing with varied industrial power grids worldwide, maintaining reliability even with large mains voltage fluctuations.
          • How does 6EP3437-8SB00-0AY0 ensure continuity of 24 V DC output during momentary power disturbances?
            With integrated wide-range mains acceptance and a mains buffering time of ≥ 10 ms at rated input, 6EP3437-8SB00-0AY0 sustains the 24 V load long enough to bridge short mains interruptions without immediately dropping output voltage — an essential feature for preventing control system trips.
          • What are the precise DC output characteristics of 6EP3437-8SB00-0AY0, including adjustability and tolerance?
            The 6EP3437-8SB00-0AY0 delivers a regulated 24 V DC with a static tolerance of ±3 % and an adjustable range from 24 … 28 V via a potentiometer. It also exhibits excellent load and line regulation (≈ 0.1 % for input variations and ≈ 0.2 % for load changes) with minimal output ripple (< 100 mV p-p) and spike suppression (< 240 mV p-p).
          • Why is 6EP3437-8SB00-0AY0 suitable for environments with severe electrical noise and wide temperature ranges?
            Designed with robust EMI/RFI suppression and industrial-grade components, 6EP3437-8SB00-0AY0 operates reliably between -25 °C and +70 °C, with derating above ~+60 °C, and even under high-noise conditions — supporting applications in automated plants and heavy-duty systems.
          • What protection and safety provisions are required when using 6EP3437-8SB00-0AY0 in an electrical installation?
            The module lacks a built-in fuse; therefore, a 3-pole miniature circuit breaker (10 … 16 A, characteristic C) or equivalent protective circuit breaker must be installed on the mains side per IEC 898 to safeguard against overcurrent and fault conditions.
          • What transient and dynamic performance characteristics does 6EP3437-8SB00-0AY0 exhibit during startup and load changes?
            When powered on, 6EP3437-8SB00-0AY0 exhibits minimal overshoot (< 2 %) and a fast response (startup delay ≤ 0.1 s, output voltage rise time ≤ 100 ms), ensuring smooth integration into control loops and minimal disturbance to downstream loads.
          • In what applications does the performance profile of 6EP3437-8SB00-0AY0 make it an optimal choice within industrial automation and control systems?
            Given its 960 W output, wide input voltage range, rugged design, adjustable output, and fast dynamic response, 6EP3437-8SB00-0AY0 is ideal for powering PLCs, sensors, actuators, control panels, and other 24 V DC systems requiring stable, high-current supply in manufacturing, process, and infrastructure environments.

          • 20 Years of Excellence in Industrial Automation Supply

            For over 20 years, Moore Automated has been a trusted leader in the industrial automation supply industry. As a dependable automation parts supplier, we’ve expanded our product lines, grown a global customer base, and earned repeated recognition as a Most Trusted and Reliable Supplier Award.

            Our long-standing success reflects our commitment to quality, reliability, and customer satisfaction. Whether you’re sourcing hard-to-find components or need expert repairs, Moore Automated stands out among industrial automation parts suppliers for our experience, service, and unbeatable 1-year warranty.

          • Unbeatable 1-Year Warranty on Industrial Automation Parts

            When it comes to industrial automation supply, Moore Automated leads the way with exceptional quality and reliability. All of our PLC, DCS spare parts and repair services are backed by an unbeatable 1-year warranty, giving you the confidence you deserve when choosing an automation parts supplier.

            As one of the most trusted industrial automation parts suppliers, we understand the importance of dependable performance. That’s why we go beyond industry standards—offering a 1-year warranty that outperforms typical coverage. Whether you’re replacing obsolete components or maintaining critical systems, Moore Automated provides the high-quality parts and expert repairs you need.


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            With two decades of experience in industrial automation supply, we understand how vital speed and reliability are. That’s why we’re proud to be one of the few industrial automation parts suppliers offering urgent shipping options to keep your operations running smoothly.


            Need it now? Count on Moore Automated for fast, dependable emergency delivery backed by our unbeatable 1-year warranty.

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