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Automation Direct Plc Direct
Automation Direct, also known as PLC Direct, is a prominent supplier of industrial automation components, recognized for its cost-effective and reliable product lines. Their extensive catalog includes a wide range of programmable logic controllers (PLCs), human-machine interfaces (HMIs), variable frequency drives (VFDs), and industrial sensors, serving diverse applications from machine building to process control. Engineers and technicians value Automation Direct for its straightforward integration, extensive documentation, and long-term product availability, making it a staple in many facilities. Industrial Automation Co. stocks new and refurbished Automation Direct parts with quote-based pricing.
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
We offer 24 months warranty on selected brands
Typical quote turnaround for hard-to-source and legacy replacement requests
New, refurbished, and surplus paths surfaced clearly for procurement teams
Hard-to-find parts, sourced fast
Real value
Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.
Built for urgent procurement
RFQ ready
Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.
Verified parts you can rely on
Trusted data
Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.
Global sourcing, local reliability
Worldwide trust.
We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.
SKU · D4-440-CPU
Automation Direct Plc Direct D4-440-CPU
AUTOMATION DIRECT PLC DIRECT D4-440-CPU D4440CPU INVALID SEE D4-440 / CPU MODULE DK405 REBUILT SURPLUS
SKU · GS3-4015
Automation Direct Plc Direct GS3-4015
AUTOMATION DIRECT PLC DIRECT GS3-4015 GS34015 AC DRIVE 15HP 460VAC 50/60HZ 3PHASE 25AMP 18.3KVA Alternate Part Numb...
SKU · DP-C320
Automation Direct Plc Direct DP-C320
AUTOMATION DIRECT PLC DIRECT DP-C320 DPC320 OPERATOR PANEL TOUCH PANEL Alternate Part Number: KOYO DP-C320
SKU · DP-C321
Automation Direct Plc Direct DP-C321
AUTOMATION DIRECT PLC DIRECT DP-C321 DPC321 OPERATOR INTERFACE TOUCH PANEL 24VDC 14W Alternate Part Number: AUTOMAT...
SKU · D4-450DC-1
Automation Direct Plc Direct D4-450DC-1
AUTOMATION DIRECT PLC DIRECT D4-450DC-1 D4450DC1 D4-450 CPU REQUIRES EXTERNAL 24VDC POWER. 30.8K WORDS TOTAL MEMORY (...
SKU · ALC0251-000-000
Automation Direct Plc Direct ALC0251-000-000
AUTOMATION DIRECT PLC DIRECT ALC0251-000-000 ALC0251000000 MOTOR CONTROL BOARD 52VAC IN 75VAC OUT 50/60HZ Alternate...
SKU · D4-450
Automation Direct Plc Direct D4-450
AUTOMATION DIRECT PLC DIRECT D4-450 D4450 CPU MODULE 31.5K MEMORY 110-220V RS232/RS422 PORT Alternate Part Number: ...
SKU · DL-340
Automation Direct Plc Direct DL-340
AUTOMATION DIRECT PLC DIRECT DL-340 DL340 CPU RLL 3.7K WDS ENHANCED 2COMM PORTS Alternate Part Number: AUTOMATION D...
SKU · SU-6B-EX
Automation Direct Plc Direct SU-6B-EX
AUTOMATION DIRECT PLC DIRECT SU-6B-EX SU6BEX CPU OUTPUT MODULE Alternate Part Number: KOYO SU-6B-EX
SKU · D4440B
Automation Direct Plc Direct D4440B
AUTOMATION DIRECT PLC DIRECT D4440B PROCESSING UNIT CPU 110/220VAC Alternate Part Number: KOYO D4440B
SKU · P3-550
Automation Direct Plc Direct P3-550
AUTOMATION DIRECT PLC DIRECT P3-550 P3550 PRODUCTIVITY3000 CPU MODULE 50 MBYTE USER MEMORY REAL TIME CLOCK/CALENDAR 4...
SKU · G-02W
Automation Direct Plc Direct G-02W
AUTOMATION DIRECT PLC DIRECT G-02W G02W PLC MODULE 100/200VAC REBUILT SURPLUS Alternate Part Number: KOYO G-02W