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Place of Origin:
USA
Brand Name:
Honeywell
Model Number:
MC-TDOR12 51309148-175
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01 - FUNCTION
Logic-to-Load Relay Interface
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The MC-TDOR12 51309148-175 is a conformally coated field termination assembly for 16 relay digital outputs. It provides compression-terminal field wiring for 120 VAC or 125 VDC switching in the Honeywell process I/O architecture. It belongs to a coordinated output path: the compatible output processor, cable, FTA and field load must remain aligned. |
| 16 Relay outputs |
120 VAC / 125 VDC Output class |
Type C Compression terminals |
| Size B Mounting size |
MC Conformally coated |
CE code 51309148-175 |
| CONTROL Output processor |
> | CABLE System connection |
> | MC-TDOR12 16 relay outputs |
> | LOAD Field circuit |
| 01 - Can MC-TDOR12 51309148-175 replace MC-TDOR52 51309148-275? The relay class is related, but the field termination differs: TDOR12 uses compression terminals and TDOR52 uses screw terminals. Wiring hardware and cabinet practice determine whether conversion is acceptable. |
02 - Is MC-TDOR12 51309148-175 the same as 51304443-150? They share the MC-TDOR12 functional designation, but 51309148-175 is the CE part-number variant and 51304443-150 is the non-CE variant. Preserve the required approval status. |
| 03 - Can MC-TDOR12 51309148-175 replace a solid-state output FTA? No direct equivalence should be assumed. Relay and solid-state outputs differ in leakage, switching behavior, lifetime, fault mode and load compatibility. |
04 - Why does contact duty matter for MC-TDOR12 51309148-175? The 120 VAC / 125 VDC designation identifies the voltage class, not unlimited switching capability. Resistive, inductive and inrush loads impose different stress on relay contacts. |
| 05 - Can MC-TDOR12 51309148-175 drive a 240 VAC field circuit? MC-TDOR12 belongs to the 120 VAC / 125 VDC class. Honeywell identifies MC-TDOR22 and MC-TDOR62 as the 240 VAC / 125 VDC relay-output variants, so a 240 VAC application requires the correct architecture. |
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Send the IOP code, FTA label and field-voltage class for a focused response.
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