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        6DD1683-0CD5

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        1001 reviews ｜ Need a Specific Revision?
        The Siemens 6DD1683-0CD5 is a SIMADYN D SP23.5 rack power supply that accepts 115/230 V AC and feeds the SR12.4 backplane power rails.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for 6DD1683-0CD5

        • Manufacturer:
          Siemens
        • Part Number:
          6DD1683-0CD5
        • Product Family:
          Siemens Simadyn
        • Product Type:
          SIMADYN D SP23.5 Power Supply Unit
        • Stock:
          1
        • Associated Subrack:
          SR12.4 (6DD1682-0BC4)
        • AC Input Selection:
          115 V or 230 V AC
        • Input Frequency:
          47.5–62.5 Hz
        • Input Current:
          4 A at 115 V; 2 A at 230 V
        • Main Output:
          5.1 V ±0.1 V, 0–26 A for SR12
        • Auxiliary Outputs:
          +15 V ±0.3 V and -15 V ±0.3 V
        • Positive Auxiliary Current:
          0–3.3 A for SR12
        • Negative Auxiliary Current:
          0–3.0 A for SR12
        • Supply Connector:
          X1, 3-pole screw/plug-in terminal
        • Monitoring Relay:
          X2, pins 1–4
        • External Battery Connection:
          X3, pins 1–2
        • External Reset Connection:
          X4, pins 1–2
        • Output Test Points:
          5 V, +15 V and -15 V
        • Internal Fuse:
          F601, T4A H, 250 V
        • Status Indication:
          Green OK LED and red fault LED
        • Tariff Code:
          8504401400
        • Country of origin:
          Germany
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Rack Interface Supply Monitoring Connection Map Electrical Limits

        Features:

        • The SP23.5 supply converts selectable 115/230 V AC input for the SIMADYN D SR12.4 rack.
        • Separate test sockets expose the 5 V, +15 V and -15 V output rails for checks.
        • Front indicators distinguish normal output operation from monitored supply faults.
        The SP23.5 unit occupies the power-supply position of the SR12.4 rather than one of its function-module slots.

        Its line connection, monitoring relay, battery connection and reset input are divided among connectors X1 through X4.

        A protective conductor at X1 and the documented fanless rack arrangement define the enclosure-side installation work.

        Apter Power assists with pricing and access to official manufacturer documentation for Siemens 6DD1683-0CD5 SIMADYN D SP23.5 Power Supply Unit.
        Siemens 6DD1683-0CD5 SIMADYN D SP23.5 Power Supply Unit Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        How the supply joins the SR12.4 backplane

        • Power Position: The SP23.5 occupies the dedicated supply location at the left side of the subrack.
        • Rail Distribution: Its regulated outputs enter the L-bus and C-bus used by the installed function modules.
        • Rack Selection: The 115/230 V AC version belongs to the SR12.4 arrangement without the integral fan assembly.
        • Module Slots: The twelve rack positions remain assigned to SIMADYN D function modules rather than the power unit.

        What the front signals reveal

        • Green Indication: The green signal is present when the regulated outputs are within their monitored limits.
        • Red Indication: A monitored input or output fault changes the front fault indication.
        • Test Access: Three sockets allow the 5 V and both 15 V rails to be checked separately.
        • Relay Output: X2 transfers the monitoring state to an external circuit without carrying the rack supply current.

        Separate paths for line power and control

        • X1 Line Entry: Phase, neutral and protective earth terminate at the three-pole supply connector.
        • X2 Status Path: The four-pin monitoring connection provides the external relay contacts.
        • X3 Backup Path: The two-pin battery input connects an external backup source for the rack memory function.
        • X4 Reset Path: The remaining two-pin connection accepts the external reset signal for the subrack.

        Conditions that govern rack energization

        • Input Selection: The voltage selector must correspond to the connected 115 V or 230 V AC supply before energization.
        • Line Protection: The internal F601 fuse protects the incoming supply path and uses the documented time-delay high-breaking-capacity type.
        • Output Supervision: A rail outside its permitted limit can remove the rack outputs instead of leaving an uncontrolled supply state.
        • Cooling Arrangement: The SP23.5 version is specified with the SR12.4 cabinet airflow arrangement rather than a supply-mounted fan.
        Description
        Siemens 6DD1683-0CD5 is the SP23.5 power supply unit for the SIMADYN D SR12.4 subrack. It converts the selected 115/230 V AC line input into the regulated rails used by modules installed on the rack backplane.

        Power enters 6DD1683-0CD5 through connector X1, where the phase, neutral and protective conductor terminate. The supply then places 5 V and positive and negative 15 V onto the L-bus and C-bus connections shared by the SR12.4 module positions.

        Front-panel access on 6DD1683-0CD5 combines the green operating indicator, red fault indicator and three rail-test sockets with the battery and reset connections. Voltage supervision covers both the AC input and DC outputs; a limit condition changes the indication and can remove the rack supply until the documented reset conditions are satisfied.
        Alternative Names
        6DD16830CD5 6DD 1683-0CD5 6DD1 683-0CD5 Siemens 6DD1683-0CD5 SIMADYN D 6DD1683-0CD5 SP23.5 6DD1683-0CD5 6DD1683-OCD5 6DD1683-0CDS
        Technical notes
        Siemens 6DD1683-0CD5 belongs to the fanless SR12.4 arrangement; cabinet airflow and the X1 protective-conductor connection remain part of the installation boundary.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Which SIMADYN D rack should be matched with Siemens 6DD1683-0CD5?
        Siemens 6DD1683-0CD5 is the SP23.5 supply assigned to the SR12.4 subrack, order number 6DD1682-0BC4.
        Before energizing 6DD1683-0CD5, what line setting must be checked?
        Confirm that the selector on 6DD1683-0CD5 matches the connected 115 V or 230 V AC line and that protective earth is terminated at X1.
        What should an operator check when the red indicator on 6DD1683-0CD5 is active?
        Use the front test sockets on 6DD1683-0CD5 to separate a 5 V rail issue from either 15 V auxiliary rail before checking the rack load.
        Does 6DD1683-0CD5 restart its outputs automatically after every undervoltage event?
        No. The monitoring behavior of 6DD1683-0CD5 can latch a shutdown condition, so the documented reset path must be considered after the supply limits recover.
        Where is an external backup battery connected on Siemens 6DD1683-0CD5?
        The external backup battery for Siemens 6DD1683-0CD5 connects at X3; it is separate from the X1 mains input and X2 monitoring relay.
        How can a cabinet circuit issue a rack reset through 6DD1683-0CD5?
        A cabinet reset contact connects to X4 on 6DD1683-0CD5, keeping the reset command separate from the monitoring contacts at X2.

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