Allen-Bradley 1746-OAP12
Allen-Bradley 1746-OAP12
Allen-Bradley 1746-OAP12
Allen-Bradley 1746-OAP12
Allen-Bradley 1746-OAP12
Allen-Bradley 1746-OAP12
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1746-OAP12

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Allen-Bradley 1746-OAP12 switches twelve 120/240 V AC loads in two six-point groups and provides fused commons with blown-fuse indication.
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Technical specifications for 1746-OAP12

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1746-OAP12
  • Product Family:
    SLC 500
  • Product Type:
    Twelve-Point High-Current AC Output Module
  • Stock:
    1
  • Outputs:
    12; 6 per common
  • Operating Voltage:
    85–265 V AC, 47–63 Hz
  • Backplane Current:
    370 mA at 5 V DC; 0 mA at 24 V DC
  • Signal Delay:
    1 ms maximum on; 11 ms maximum off
  • Off-State Leakage:
    2 mA maximum
  • Minimum Load Current:
    10 mA
  • Current per Point:
    2 A at 30 °C; 1.25 A at 55 °C; 1 A at 60 °C
  • Current per Module:
    9 A at 30 °C; 6 A at 60 °C
  • On-State Voltage Drop:
    1.2 V maximum at 2 A
  • Surge Current:
    17 A for 25 ms per point; 35 A for 10 ms per common
  • Fuse:
    1746-F9 or SAN-O HQ 6.3 A
  • Weight:
    0.4 kg
  • Tariff Code:
    8504401400
  • 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 Fuse Check Group Wiring Safety Notice Application
  • Twelve high-current AC outputs arranged as two fused groups of six
  • Blown-fuse indication for each protected output common
  • Zero-cross triac switching for supported 120/240 V AC field loads

1746-OAP12 is an Allen-Bradley twelve-point high-current ac output module for SLC 500 chassis.

The module provides grouped high-current triac switching with separate fused commons, fuse-status indication, and published inrush capability for industrial AC loads.

Before installation or replacement, verify the Series C safety-alert status, removable terminal plug, both AC feeds, load inrush, thermal loading, fuses, and load suppression.

Availability, condition, price, and shipping time for 1746-OAP12 are confirmed during quotation.

Allen-Bradley 1746-OAP12 Twelve-Point High-Current AC 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.

  • De-energize the field circuit before removing a common fuse
  • Use the specified 1746-F9 or equivalent approved 6.3 A fuse
  • Investigate load faults and wiring damage before restoring field power
  • Wire outputs 0–5 and 6–11 to their respective fused commons
  • Keep each group within its combined current and thermal limits
  • Verify neutral and disconnect arrangements for every external AC feed
  • Identify Series C modules manufactured in the affected 2005 date range
  • Check for the manufacturer’s white-dot correction marking and corrected terminal plug
  • Replace affected module and removable terminal plug as directed by the official alert
  • High-inrush AC contactor and motor-starter coil control
  • AC solenoid-valve and relay actuation in SLC 500 systems
  • Grouped 120/240 V AC machine outputs requiring fused common indication
Description
1746-OAP12 is a twelve-point high-current ac output module for the SLC 500 control platform.

The module provides grouped high-current triac switching with separate fused commons, fuse-status indication, and published inrush capability for industrial AC loads.

Before installation or replacement, verify the Series C safety-alert status, removable terminal plug, both AC feeds, load inrush, thermal loading, fuses, and load suppression.
Revisions

Revision Part #

Also known as

1746-OAP12 Ser A
1746-OAP12/A, Series A, Rev A
1746-OAP12 Ser B
1746-OAP12/B, Series B, Rev B
1746-OAP12 Ser C
1746-OAP12/C, Series C, Rev C
Alternative Names
1746-OAP12 1746OAP12 AB 1746-OAP12 Allen-Bradley 1746-OAP12 Rockwell Automation 1746-OAP12
Technical notes
1746-OAP12 has two fused six-point commons; verify Series C safety-alert status, corrected terminal plug, AC load inrush, and suppression before installation.
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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.
Can 1746-OAP12 switch contactors or solenoids with high inrush?
Only when steady-state and inrush current remain within the published point, common, and duty-cycle limits; add suppression suitable for the AC load.
What does the blown-fuse indicator on 1746-OAP12 actually monitor?
It indicates loss through the protected common fuse, not the health of every output device. Diagnose field power, fuse continuity, wiring, and the commanded point.
Why can an AC load show voltage when 1746-OAP12 is off?
Triac leakage and connected suppression components can create a ghost reading on high-impedance meters. Verify with an appropriate load and the published leakage limit.
Are the two output groups of 1746-OAP12 electrically isolated from each other?
They have separate commons, but separate commons alone do not establish safety or galvanic isolation. Verify the official isolation rating before connecting circuits at different potentials.
Can the two 1746-OAP12 output groups use separate AC feeds?
Yes, the six-point groups have separate commons. Each feed still requires correct overcurrent protection, neutral arrangement, voltage class, and disconnecting practice.
What should be added when 1746-OAP12 controls an inductive AC device?
Use load-side suppression recommended for the contactor, valve, or relay so turn-off transients do not stress the triac or cause unintended operation.
Which terminal hardware should be retained for a 1746-OAP12 replacement?
Match the removable terminal block, group commons, fuse holders, field-power conductors, and terminal labels to the replacement module and the corrected wiring instructions.