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      505-6660B

      PLC Power Supply
      Ships by Friday, November 6
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Siemens 505-6660B is a SIMATIC 505 rack power supply with selectable AC input and a 60 W output rating.
      • Manufacturer part number
        505-6660B
      • Shipping
        Swift global dispatch
      • Condition
        New, original product
      • Shipping size (est.)
        6.1cm x 19.8cm x 26.6cm
      • Country of Origin
        Germany

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      What happens after you enquire

      • 0

        Review your reference

        Send the complete 505-6660B marking, revision and installed SIMATIC 505 rack configuration with your enquiry.

      • 1

        Confirm the offer

        Check the PPX:505-6660-B marking on the offer and whether any redundancy accessories are included.

      • 2

        Arrange dispatch

        Confirm delivery details and receive the tracking reference when the shipment is arranged.

      • Match the complete marking

        Include 505-6660B and the visible revision or assembly identity in your enquiry. Keep the complete reference on the quotation.

      • Check the offered item before ordering

        Request available label and connector photos. Have your maintenance team compare the offered 505-6660B with the installed equipment and applicable Siemens documentation.

      Technical specifications for 505-6660B

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        505-6660B
      • Weight:
        1.48 kg
      • Tariff Code:
        8537101190
      • Product family:
        SIMATIC 505 power supply
      • Manufacturer order form:
        PPX:505-6660-B
      • AC input range 1:
        85-132 V AC
      • AC input range 2:
        170-264 V AC
      • Rated output power:
        60 W
      • Galvanic isolation:
        Yes
      • Short-circuit protection:
        Yes
      • Redundant supply capability:
        Yes
      • Input selector:
        110 V / 220 V setting on -B execution
      View as PDF Ask for Quote

      Information

      Overview Downloads Applications / Compatibility Product Precautions
      • Siemens 505-6660B. For a 505-6660B exchange, record the existing input-selector setting, rack load and any redundant-supply wiring before isolating the base.
      Product family: SIMATIC 505 power supply
      Manufacturer order form: PPX:505-6660-B
      AC input range 1: 85-132 V AC
      AC input range 2: 170-264 V AC
      The 505-6660-A/B specification lists dual AC input ranges, 60 W rated output power, galvanic isolation and short-circuit protection.

      The -B unit has its own 110 V / 220 V input selector arrangement. The site electrician must set the selector to the actual supply before energizing the rack.

      The supply mates with the 505 backplane and is secured by top and bottom bezel screws. Rack loading and any redundancy arrangement must follow the installed system design.
      Installed-system reference: SIMATIC 505 rack. Set the -B input selector to the installed line voltage.
      Technical downloads for Siemens 505-6660B: an original manufacturer technical excerpt and an Apter Power installation and commissioning guide.
      The technical excerpt preserves Siemens source pages. The installation guide is prepared by Apter Power for planning and verification. Apply the complete manufacturer and site procedures during work.
      System and supply context: 505-6660B provides AC rack power in a documented SIMATIC 505 base. The supply selector and installed rack wiring govern replacement.

      Application scope: Use it for supply replacement or supported redundant-rack arrangements after matching the exact -B execution and input-voltage setting.
      Installation and commissioning checks for Siemens 505-6660B.
      Isolation

      Remove AC input before handling the rack power supply.

      Selector

      Check the -B selector against the actual input range before energizing.

      Mounting

      Seat the backplane connection and tighten the bezel screws to the Siemens manual torque range.

      Rack load

      Confirm that connected modules remain within the 60 W supply output budget.

      Redundancy

      Apply only the rack-specific documented redundant supply wiring.

      Final test

      Check supply indicators and PLC behavior after the module is secured and the rack is energized.

      Alternative Names

      505-6660-B PPX:505-6660-B Siemens 505-6660B

      Technical notes

      Installation relationship: Match the -B input selector to the available 110 V or 220 V supply before inserting or energizing the module.

      Protection: The catalog lists isolation and short-circuit protection; rack loading and redundant operation require the installed 505 configuration.

      Technical reference: Siemens SIMATIC 505 ST40 Catalog; SIMATIC 545/555/575 System Manual, PPX:505-8201-3.

      FAQ View All FAQ

      • Which system uses 505-6660B?
        It is a power-supply unit for the Siemens SIMATIC 505 rack family.
      • What are the AC input ranges for 505-6660B?
        Siemens specifies 85-132 V AC and 170-264 V AC for the 505-6660-A/B power-supply execution.
      • What is the rated output power of 505-6660B?
        The Siemens ST40 catalog gives 60 W for the 505-6660-A/B supply.
      • Does 505-6660B provide galvanic isolation?
        Yes. The Siemens catalog marks galvanic isolation for the 505-6660-A/B power supply.
      • Does 505-6660B include short-circuit protection?
        Yes. Siemens lists short-circuit protection for this supply execution.
      • Can 505-6660B be used in a redundant supply arrangement?
        The Siemens catalog marks the 505-6660-A/B as redundant-capable; apply the rack’s documented wiring and redundancy scheme.
      • How is line voltage selected on 505-6660B?
        The Siemens system manual shows a dedicated 110 V / 220 V selector arrangement for the -B version; set it before energizing.
      • What should be checked when installing 505-6660B?
        Verify the input selection, supply isolation, backplane engagement and top/bottom bezel screw torque against the SIMATIC 505 manual.
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