• Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      sales1@apterpower.com
      +86 181 0690 9650
      Request a

      Fast Quote

      Manufacturers
      ALL MANUFACTURERS
      • Please try to be as accurate as possible with your search.
      • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
      • We can't find any results for “”.
        Manufacturers
        sales1@apterpower.com +86 181 0690 9650
        Choose a manufacturer
        ALL MANUFACTURERS
        Ask our team:
        • Phone: +86 181 0690 9650
        • E-Mail sales1@apterpower.com

        • Lifecycle status

          Active / Available from OEM
          Apter Power can support sourcing IC655MDL551 for Series Five sinking-output maintenance and load replacement.

        IC655MDL551

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        General Electric IC655MDL551 is a Series Five negative-logic DC output module with sixteen fused circuits rated up to 2 A per point.
        In Stock
        Ships by Wednesday, October 28
        Fast Shipping Available
        Get a quick price for IC655MDL551
        Quantity
        *E-mail
        Company
        *Mobile
        *Content
        Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
        Get a Quote
        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.
        Shipping Mode
        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 IC655MDL551

        • Manufacturer:
          General Electric
        • Part Number:
          IC655MDL551
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          12/24 VDC Negative-Logic 2 A 16-Circuit Output Module
        • Stock:
          1
        • Product family:
          Series Five PLC
        • Output logic:
          Negative logic
        • Output points:
          16
        • Output device:
          N-MOS FET, open drain
        • Operating voltage:
          4.5–26.4 VDC
        • Maximum point current:
          2 A
        • Current limits:
          10 A per common; 20 A per module
        • Response time:
          0.1 ms ON and OFF
        • Fuse protection:
          Four 8 A fast-blow fuses
        • Estimated shipping dimensions:
          3.8 × 25.4 × 12.7 cm
        • 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 Solenoid Loads Fuse Recovery Current Margins Point-by-Point Proof

        Features:

        • Sixteen negative-logic DC outputs can switch loads up to 2 A per point.
        • Section fuses and grouped commons provide defined current and fault boundaries.
        • Fast solid-state response supports direct comparison of commands and field behavior.
        The sinking-output arrangement is intended for DC field circuits whose load and supply polarity match negative-logic switching.

        Two eight-point terminal groups simplify cabinet wiring, while internal four-point protection sections help maintenance isolate overloads without disturbing every output.

        A sound commissioning sequence checks fuse condition, common current and load inrush before the output is exercised under process control.

        Apter Power can assist with quotation and sourcing requests for General Electric IC655MDL551 12/24 VDC Negative-Logic 2 A 16-Circuit Output Module.
        General Electric IC655MDL551 12/24 VDC Negative-Logic 2 A 16-Circuit 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.

        Matching Sinking Outputs to DC Loads

        • Logic direction: Confirm the field device is compatible with negative-logic current flow.
        • Normal current: Keep each point within its 2 A continuous rating and each common within its group limit.
        • Inrush: Evaluate coils, lamps and contactors at startup rather than using only steady-state current.
        • Off state: Check leakage-sensitive loads for a defined de-energized condition.

        Responding to a Protected-Section Trip

        • Isolation first: Remove field power before testing or replacing an internal fuse.
        • Load inspection: Find shorts, reversed polarity or excessive inrush before fitting a new fuse.
        • Section boundary: Use the affected group of four outputs to narrow the field search.
        • Correct rating: Retain the specified fast-blow protection and never bypass it.

        Planning Common and Module Current

        • Per point: Treat 2 A as a maximum, not a target operating current.
        • Per common: Add the simultaneous load currents before assigning devices to a group.
        • Whole module: Include all sixteen active loads and ambient derating in the final check.
        • Future changes: Recalculate the budget whenever a field device is replaced with a higher-inrush load.

        Proving Outputs After Replacement

        • Safe condition: Inhibit automatic operation and confirm every output starts de-energized.
        • Section sequence: Apply field power to one fused section and monitor its common current.
        • Command check: Switch each point individually and compare LED, terminal voltage and load response.
        • Release: Restore automatic control only after off-state and on-state behavior are both recorded.
        Description
        General Electric IC655MDL551 is a Series Five 16-circuit negative-logic DC output module for switching compatible 12–24 VDC loads at up to 2 A per point. Its outputs are divided into protected groups that distribute field current across the module.

        The higher point rating makes the module suitable for loads with greater steady or short-duration demand, but point, common and total-module limits all remain relevant. Inductive devices also require consideration of switching energy rather than selection by nominal current alone.

        Front indicators represent commanded output states, while the group protection devices respond to problems in the field-current path. A command lamp without load operation therefore separates controller intent from questions involving supply polarity, fuse condition, wiring and the connected device.
        Alternative Names
        IC 655 MDL 551 IC655-MDL551 IC655MDL-551 GE IC655MDL551 GE Fanuc IC655MDL551 Series Five IC655MDL551 IC655MD1551 IC655MDLS51
        Technical notes
        Negative-logic outputs switch the load toward the return side. Isolate field power, verify polarity and fuse ratings, and check load inrush before replacing or re-energizing any output circuit.
        Exceptional Service

        Our Mission

        • 100% Satisfaction

          We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.

        • Trust Guaranteed

          Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.

        • Expertise

          Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

        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
        What does negative logic mean for IC655MDL551 field wiring?
        For an installed IC655MDL551, the output device sinks current toward the return side, so supply polarity and the load connection must match the negative-logic circuit arrangement.
        For IC655MDL551, why can a commanded output remain off?
        Before returning IC655MDL551 to service, check field supply, common polarity, the section fuse, load current and terminal wiring before assuming the output electronics have failed.
        On IC655MDL551, how should a 2 A load be assessed before connection?
        For IC655MDL551, confirm both steady current and startup inrush, then apply the module’s per-point, per-common and total-current limits.
        What should be recorded before changing IC655MDL551?
        When checking IC655MDL551, capture the rack address, every output/common assignment, fuse positions, load polarity and measured operating current.
        During IC655MDL551 troubleshooting, how can the front LEDs be used during a fault check?
        On IC655MDL551, compare the commanded state and LED with voltage at the load; a lit indicator without load operation directs attention to field power, wiring or the device.
        Before servicing IC655MDL551, can both eight-point groups share one DC supply?
        During IC655MDL551 troubleshooting, they may use a suitable shared source or separate sources, but each group common and its protection must remain correctly assigned.
        With IC655MDL551 installed, how should replaced outputs be tested?
        With IC655MDL551 in service, keep the process inhibited, energize one protected section at a time, switch each load under observation and confirm a safe off-state before release.

        You May Also Like

        Product Browsing History