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          Apter Power can support IC655MDL580 replacement quotations and provide its official manufacturer document for evaluating relay grouping and field-power requirements.

        IC655MDL580

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        The General Electric IC655MDL580 Relay Output Module gives Series Five systems isolated contact switching for compatible AC and DC field devices.
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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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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for IC655MDL580

        • Manufacturer:
          General Electric
        • Part Number:
          IC655MDL580
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          Relay Output Module
        • Stock:
          1
        • Output Device:
          Normally open electromechanical relay
        • Number of Circuits:
          16
        • Internal Grouping:
          Two groups of eight circuits
        • Operating Voltage:
          5 to 30 VDC or 5 to 265 VAC
        • Peak Voltage:
          265 VAC
        • Maximum Resistive Current:
          5 A per circuit
        • Current per Common:
          8 A maximum
        • Module Current Limit:
          16 A maximum
        • Maximum Leakage Current:
          0.1 mA at 265 VAC, 60 Hz
        • Minimum Load:
          5 mA at 5 VAC or VDC
        • Maximum Inrush Current:
          5 A
        • Operate Response:
          Less than 12 ms
        • Release Response:
          Less than 12 ms
        • Group Protection:
          8 A fast-blow fuse per eight-circuit group
        • Internal 5 VDC Consumption:
          152 mA typical; 180 mA maximum; 9.5 mA per energized point
        • External Coil Supply:
          24 VDC ±10%; 160 mA at 26.4 VDC
        • Terminal Block:
          Removable front terminal block
        • Weight:
          0.92 kg
        • Tariff Code:
          8538900000
        • Country of origin:
          USA
        • 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 Contact Grouping Coil Power Load Switching Replacement Checks

        Features:

        • Sixteen normally open relay contacts switch compatible AC or DC field loads.
        • Two eight-point groups provide separate commons and group-level fuse protection.
        • A removable terminal block supports controlled replacement without rewiring every conductor.
        The card is useful when one Series Five rack must operate field devices that are unsuitable for triac or transistor outputs. Each relay contact remains electrically distinct from the logic circuitry.

        External 24 VDC powers the relay coils, while the PLC base supplies the module electronics. Both sources must be present before commanded outputs can operate.

        Response is measured in milliseconds and contact wear varies with the connected load. Service decisions should include switching frequency, inrush, and observed contact condition.

        For General Electric IC655MDL580 Relay Output Module pricing and official product documentation, Apter Power can assist with a current quotation.
        GE Fanuc IC655MDL580 Relay Output Module 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 sixteen relay outputs are arranged

        • Group one: The first eight contacts share one protected common path.
        • Group two: The remaining eight use a separate common and fuse.
        • Source separation: Compatible AC or DC sources can be assigned by group when properly segregated.
        • Terminal transfer: The removable block preserves the two-bank field layout during service.

        Power paths required for relay operation

        • Backplane load: The Series Five base supplies the module logic at 5 VDC.
        • Relay source: An external 24 VDC supply energizes the output coils.
        • Loss symptom: Commands may still be visible even when coil power is missing.
        • Commissioning check: Measure both supplies under the expected simultaneous relay load.

        Factors that affect relay contact life

        • Resistive rating: Steady resistive current must remain within point and group limits.
        • Inrush duty: Lamps, motors, and solenoids can stress contacts during pickup.
        • Suppression: Apply field-device suppression suited to the connected AC or DC load.
        • Operating rate: Frequent cycling should be considered when planning maintenance.

        What to verify before returning the module to service

        • Isolation: Remove rack power and every external field source before handling terminals.
        • Fuses: Inspect both group fuses and determine why any fuse opened.
        • Commons: Confirm the source assigned to each eight-point bank.
        • Functional test: Exercise representative loads after the terminal block is secured.
        Description
        General Electric IC655MDL580 is a Series Five Relay Output Module that supplies sixteen normally open contacts for compatible AC and DC loads. Its electromechanical output stage suits circuits that require contact isolation and mixed-voltage switching rather than semiconductor response speed.

        Two eight-circuit sections organize the field side of IC655MDL580, with an independent common and an 8 A fast-blow fuse assigned to each section. The connected loads therefore have to satisfy the rating of an individual contact, the shared common, and the complete card instead of being judged only by their steady-state current.

        Relay operation on IC655MDL580 depends on an external 24 VDC coil source in addition to the rack logic supply. Its front indicators show the commanded state, so comparing indication, coil voltage, field-source voltage, and contact continuity provides a logical path for separating a control request from an output-circuit fault.

        Electromechanical contact life is governed by the switching duty applied to IC655MDL580. Motors, solenoids, and lamps can impose inrush that is much higher than their running current, while the removable terminal block allows the established field wiring to remain organized during a planned card change.
        Alternative Names
        IC655-MDL580 IC655MDL-580 IC 655 MDL 580 GE Fanuc IC655MDL580 General Electric IC655MDL580 GE Fanuc Series Five IC655MDL580 IC655MDL580 Relay Output Module 1C655MDL580
        Technical notes
        IC655MDL580 requires both Series Five backplane power and an external 24 VDC relay-coil source; verify the two group fuses before transferring the terminal block.
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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
        Why can IC655MDL580 show an output command while the field device remains off?
        As part of an IC655MDL580 check, confirm the external 24 VDC relay-coil supply first, then check the applicable group fuse, contact wiring, and field source; the front indication alone does not prove power reaches the load.
        What should be reviewed before IC655MDL580 switches a solenoid or contactor?
        When IC655MDL580 behavior is being assessed, compare the device pickup or inrush demand with the relay rating and switching duty, and use suppression appropriate to the load so repeated operation does not shorten contact life.
        How can one faulty IC655MDL580 output group be isolated?
        During maintenance of IC655MDL580, de-energize both field sources, identify the affected eight-point common, inspect its 8 A fuse, and test the loads individually before returning the group to service.
        Can IC655MDL580 mix AC and DC loads on one module?
        When testing IC655MDL580, the relay contacts support compatible AC or DC circuits, but each group common, source separation, terminal identification, and applicable safety rules still have to be maintained.
        Why should a replacement IC655MDL580 not be judged only by matching the part number?
        In service work involving IC655MDL580, verify the base slot, terminal-block condition, external coil supply, group commons, and load duty because an electrically correct module can still fail to operate in an incompatible cabinet arrangement.
        What is the safest way to retain IC655MDL580 field wiring during replacement?
        Before returning IC655MDL580 to operation, remove rack power and every user field source, prove the terminals de-energized, label the two commons, detach the removable block, and reconnect only after the replacement is secured.
        What causes relay outputs on IC655MDL580 to become intermittent?
        While diagnosing IC655MDL580, look for low coil voltage, a loose terminal block, worn contacts from frequent or high-inrush switching, and marginal field-source wiring before changing the control program.

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