Custom PLC Wiring Harnesses – Built Fast, Built Right
Professional PLC wiring harnesses with ferruled leads and custom breakouts.
Stop wasting hours on panel wiring. From CompactLogix to S7-1500, we deliver custom breakout harnesses with ferruled, labeled leads that land perfectly in your terminal blocks.
No minimum orders. USA-made quality. Whether you need a single prototype harness or production runs for your control panels, we're your professional wiring solution.
Why MiniProto
Professional Harnesses Without the Wait
Faster Installation
Pre-terminated, labeled leads cut install and debug time on the panel.
100% Continuity Tested
Every harness is continuity-tested against the pinout before it ships.
Panel-Ready Design
Professional ferrules and terminations meet panel shop standards. Pass inspections with confidence.
Our Solution
Breakouts, Ferrules, and Custom Builds – Without the Wait
We assemble to your spec: PLC plug to a labeled fan-out of leads, sensor connectors to DIN terminals, or analog pairs with shield drains tied off. Every lead can ship ferruled, spade, or ring terminated, so you can drop it straight into your terminals with zero fuss.
Custom Breakout Configurations
PLC & Terminal Block Compatible
Built for Your PLC & Devices
Common configurations we build daily. Don't see yours? Tell us. We thrive on edge cases.
| Field Side | Panel/PLC Side | Use Case |
|---|---|---|
| M8 3-pin sensor | DIN spring terminal (ferruled leads) | Sensor input breakout |
| M12 4-pin actuator | Relay output block | Valve/solenoid outputs |
| 20-pin AB CompactLogix plug | Labeled ferruled leads (breakout) | Digital I/O channels |
| 25-pin D-sub | Shielded twisted pairs with ferrules | Analog signals |
| Custom connector | Custom termination | We'll build it |
Why MiniProto
What Sets Us Apart
Speed
Ship in days, not months
Breakout Clarity
Labeled fan-outs, no guessing
Professional Terminations
Ferrules, spades, rings to spec
Small-Batch Friendly
No setup fees or MOQs
Engineer-Led
Designed by people who build panels
Related Links
Related PLC Harness Links
Ready to Build Your Harness?
Professional-grade PLC harnesses with no minimum order. Configure your custom solution in minutes.