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MC-TDOR12 51309148-175

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Honeywell MC-TDOR12 51309148-175 is a coated CE relay digital output FTA with sixteen independent channels for 120 V AC or 125 V DC circuits. Size B compression terminals provide the field connection for HPM discrete loads.
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Technical specifications for MC-TDOR12 51309148-175

  • Manufacturer:
    Honeywell
  • Part Number:
    MC-TDOR12 51309148-175
  • Product Family:
    Honeywell Experion PKS ( C200, C300 )
  • Product Type:
    Relay Digital Output Field Termination Assembly
  • Stock:
    1
  • Relay output points:
    16 points
  • Field circuit rating:
    120 V AC / 125 V DC
  • 24 V DC power draw:
    470 mA
  • Terminal type code:
    C - compression terminals
  • Mounting size:
    Size B
  • Output technology:
    Independent electromechanical relays
  • FTA function:
    Relay digital output field termination assembly
  • Conformal coating:
    Included on MC execution
  • Compliance execution:
    CE-compliant part number
  • Supported loads:
    AC or DC discrete output circuits
  • Weight:
    1.59 lbs (0.72 kg)
  • Estimated shipping dimensions:
    12 x 5.2 x 30.7 cm
  • Tariff Code:
    Please confirm the destination before shipping.
  • 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 Applications Safety & Compliance Control Installation

Features:

  • Provides sixteen independent relay output paths for AC or DC discrete circuits.
  • Combines Size B compression terminals with conformal coating and CE compliance.
  • Interfaces process-cabinet relay commands with externally powered field loads.
The ordered assembly is the coated CE relay output FTA with sixteen points. It is designed for the documented 120 V AC or 125 V DC field-circuit class.

Relay commands from the associated processor are presented as independent switched paths at the compression terminals. This gives cabinet technicians a defined location for connecting discrete process loads.

Service planning must identify every external source, the relay duty and the cable mapping before conductors are disturbed. The complete part number is critical because coating and approval variants are not interchangeable by appearance.

Supply is evaluated against the required voltage class, cabinet execution and exact part identity.
Verified resources for Honeywell MC-TDOR12 51309148-175: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.
  • Switches discrete actuators and solenoid circuits through independent relay contacts.
  • Routes annunciation and interposing functions from HPM control hardware to field wiring.
  • Supports maintenance of legacy process cabinets that retain the coated CE relay FTA.
  • The -175 part number denotes the documented conformally coated CE execution.
  • Externally powered relay contacts require individual source isolation before cabinet service.
  • Field voltage, contact duty and site wiring rules must be checked before energization.
  • Sixteen electromechanical relay channels translate processor commands into isolated switching paths.
  • Each output reaches its assigned compression terminal without combining unrelated load circuits.
  • The assembly draws 470 mA from the 24 V DC cabinet supply while handling field-side switching.
  • The Size B footprint must align with the existing cabinet mounting and cable location.
  • Recorded terminal numbers and load-source polarity should be preserved during changeout.
  • Relay wiring must be checked against the processor allocation before the FTA is returned to service.
Description
Honeywell MC-TDOR12 51309148-175 is a coated, CE-compliant relay digital output field termination assembly. Sixteen independent electromechanical relay channels are provided for discrete circuits rated for 120 V AC or 125 V DC, with field wiring landed on Size B compression terminals. The relay architecture gives the connected loads a defined contact interface and allows AC and DC switching duties to be organized on the same model when every channel remains within the published circuit limits.

The FTA is intended for Process Manager and HPM installations that must switch plant loads through isolated relay contacts rather than semiconductor outputs. Typical duties include interposing control for alarms, solenoids and auxiliary equipment, while the processor-side connection keeps channel commands within the established Honeywell I/O architecture. Independent relays also let maintenance teams isolate a problem to the affected field circuit, although upstream logic, protective devices and the physical load must still be checked when an output fails to operate.

The assembly draws 470 mA from the 24 V DC system supply and must be wired within the documented relay ratings. Cabinet space, load protection, terminal arrangement and the complete 51309148-175 execution should be checked before replacement, particularly where another TDOR variant uses different terminals, approvals or field-voltage limits. Contact loading, conductor segregation and the de-energized state of every field circuit should be verified before the Size B assembly is disconnected or re-terminated.
Alternative Names
MC-TDOR12 51309148-175 MC-TDOR12 51309148-175 Honeywell MC TDOR12 Honeywell 51309148 175 MC TDOR12 Relay Output FTA Honeywell 16 Point Relay FTA 51309148175
Technical notes
Removing controller power alone does not make MC-TDOR12 51309148-175 safe; isolate every external 120 V AC or 125 V DC source and verify relay-contact duty before rewiring.
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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.
What field circuits can Honeywell MC-TDOR12 51309148-175 switch?
Its sixteen independent relay channels are documented for the 120 V AC or 125 V DC circuit class.
How are loads landed on Honeywell MC-TDOR12 51309148-175?
Each relay output is routed to the Size B assembly compression terminals for connection to the assigned discrete load circuit.
Why can Honeywell MC-TDOR12 51309148-175 remain hazardous after controller shutdown?
The relay contacts can carry externally supplied field voltage, so all AC and DC sources must be isolated separately.
Which devices suit Honeywell MC-TDOR12 51309148-175 outputs?
The assembly is used with discrete actuators, annunciation circuits and interposing functions within the documented contact ratings.
What determines a valid replacement for Honeywell MC-TDOR12 51309148-175?
Match the CE coated execution, relay voltage and duty, Size B footprint, processor cable and terminal allocation.
What information helps quote Honeywell MC-TDOR12 51309148-175 correctly?
Provide the full part number, field voltage, load type, companion processor and cabinet approval requirements with the inquiry.

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