Eupec
R55-00-278
Eupec Isopack R55-00-278 B6HK Thyristor Diode 3-Phase Half Control Bridge Module
Only 1 left
Free shippingShips today by 3 PM CT
$53.89
We have 2,217 listings in PLCs & Automation in stock right now, and every one is photographed on our own shelves, so you see the exact unit you will receive. The 6 categories here are led by PLC Modules & Accessories, PLC I/O Modules and PLC Processors & CPUs.
The brands we stock most here are Siemens, Allen-Bradley and Mitsubishi. In terms of condition, there are 1,443 used, 481 open box, 245 new surplus, 28 sold for parts or repair and 20 refurbished. Prices start at $6.89 and go up to $14,998.89. We ship from Princeton, TX the same day when you order by 3 PM CT (Mon–Fri), with free shipping anywhere in the lower 48. Freight-size items are quoted after packing. Our 30-day guarantee covers every item here except those sold for parts or repair.
Eupec
Eupec Isopack R55-00-278 B6HK Thyristor Diode 3-Phase Half Control Bridge Module
Only 1 left
Free shippingShips today by 3 PM CT
$53.89
Moore Industries
Moore Industries SLM/4-20MA/4-20MA/117AC [AB] Signal Limiting Module Industrial
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$199.99
Allen-Bradley
Allen-Bradley 1794-TB3 Ser A Flex I/O 3-Wire Terminal Base Unit PLC Automation
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$23.89
Modicon
Modicon AS-B882-239 High Speed Counter Module 2 Point PLC AEG Gould Automation
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$767.89
Beckhoff
Beckhoff BK3150 Profibus Compact Bus Coupler 24VDC PLC I/O Industrial Automation
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$64.89
Allen-Bradley
Allen-Bradley 1492-CM1771-LD011 Swing-Arm Conversion Module 16-Point Output PLC
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$179.89
Foxboro
Foxboro FCP270 P0917YZ Field Control Processor I/A Series DCS Module Automation
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$400.89
Schneider Electric
Schneider Electric TSXDSY32T2K Modicon Premium 32 Transistor Output Module 24VDC
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$78.89
Foxboro
Foxboro Invensys D0128CE-F Power Supply Module Potted Industrial Automation Part
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$30.89
Allen-Bradley
Allen-Bradley 1734-OB4E Ser C Point I/O 4-Channel 24VDC Sourcing Output Module
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$21.89
Sanrex
SanRex SSA250AA80 Power Semiconductor Module Sansha Electric Japan Industrial
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$24.89
Allen-Bradley
Allen-Bradley 1745-E105 SLC 100 Relay Output Expansion Unit Series C PLC Module
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$14.89
Foxboro
Foxboro I/A Series FCP270 P0917YZ Field Control Processor DCS Module Automation
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Free shippingShips today by 3 PM CT
$400.89
Allen-Bradley
Allen-Bradley 1769-IF4 Ser B Rev 2 Compact I/O 4-Channel Analog Input Module PLC
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$100.89
Beckhoff
Beckhoff BK3120 PROFIBUS-DP Bus Coupler 24VDC 12 MBaud PLC I/O Module Industrial
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$81.89
Siemens
Siemens 6ES7 972-0BB52-0XA0 Simatic Profibus Bus Connector w/ PG Socket 12Mbps
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$8.89
Allen-Bradley
Allen-Bradley 1747-PIC SLC 500 Personal Computer Interface Converter Ser A PLC
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$41.89
GE Fanuc
GE Fanuc IC693MDL940L Series 90-30 Output Relay Module 16 Point 2A Automation
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$155.89
GE Fanuc
GE Fanuc IC693MDL940L Series 90-30 Relay Output Module 16 Point 2A PLC Control
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$155.89
Yaskawa
Yaskawa YASNAC XRC Robot Teach Pendant Handheld Operator Interface Unit Robotic
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$399.99
Allen-Bradley
Allen-Bradley 1747-SDN Ser B SLC 500 DeviceNet Scanner Module FRN 4.015 PLC Part
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$25.89
Square D
Square D SY/MAX 8030 ROM-221 Series F2 Output Module 120VAC 30619-502-50 PLC I/O
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$14.89
Reliance Electric
Reliance Electric 45C270 8K Memory Expansion Module 802820-77RK J-3088A PLC Card
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$49.89
Reliance Electric
Reliance Electric 57C410B Isolated Analog Output Module 4-Channel 10VDC 57410-1
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$58.89
Yes. 2,217 PLCs & Automation listings are in stock right now, priced from $6.89 to $14,998.89. Every one is photographed, and all of them are listed on this page.
Mostly Siemens, Allen-Bradley and Mitsubishi, plus 251 more brands. The Brand filter on this page narrows the list to one maker.
Yes, when you order by 3 PM CT on a business day (Mon–Fri): in-stock items ship the same day from Princeton, TX, with free shipping to the lower 48. Freight-size items are quoted after packing.
Yes. Request a quote with the part number and we check our warehouse and our sourcing network. We answer within 1 hour during business hours (Mon–Fri 9–3:30 CT).
AI assistant – answers may be wrong. Call or text 469-316-8517 to confirm.