All Products
Welcome to the complete product range of Topbrands PLC Limited.
We specialize in supplying top-quality industrial automation parts, including PLCs, I/O modules, sensors, power supplies, HMIs, control boards, and more. Whether you're looking for replacement components or sourcing for large-scale automation projects, we’ve got you covered.
Our inventory includes trusted brands such as Siemens, Allen Bradley, ABB, Honeywell, Schneider Electric, GE Fanuc, Yokogawa, and others. We offer fast global shipping, responsive service, and expert support to ensure your systems stay running smoothly.
Browse our full catalog and contact us for inquiries or bulk pricing.
Popular Modules

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Vendor: Bently Nevada
Bently Nevada 3500/33 149992-02 Spare 16-Channel Failsafe Relay Output Module
4 reviewsSale price $150.00Regular price $210.00 -
Vendor: Bently Nevada
Bently Nevada 3500/40M 125680-01 Proximitor I/O Module with Internal Terminations
3 reviewsSale price $260.00Regular price $320.00 -
Vendor: Bently Nevada
Bently Nevada 3500/42M 135489-03 I/O Module with Internal Barriers | Internal Terminations
16 reviewsSale price $240.00Regular price $290.00 -
Vendor: Bently Nevada
Bently Nevada 3500/45 135137-01 Position I/O Module with Internal Terminations
4 reviewsSale price $150.00Regular price $210.00 -
Vendor: Bently Nevada
Bently Nevada 3500/50 133434-01 I/O Module with External Terminations
4 reviewsSale price $290.00Regular price $320.00 -
Vendor: Bently Nevada
Bently Nevada 3500/60 133827-01 RTD/TC Non-Isolated I/O Module External Terminations
3 reviewsSale price $320.00Regular price $350.00 -
Vendor: Bently Nevada
Bently Nevada 3500/61 133819-02 RTD/TC Non-Isolated I/O Module Internal Terminations
5 reviewsSale price $320.00Regular price $350.00 -
Vendor: Bently Nevada
Bently Nevada 3500/62 136294-01 Isolated I/O Module with Internal Terminations
Sale price $260.00Regular price $310.00
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Vendor: Triconex
Invensys Triconex 3664 Digital Output Module 100% Original New
Sale price $580.00Regular price $600.00 -
Vendor: Triconex
Invensys Triconex SIS family 3501E Digital Input Module in Stock
5 reviewsSale price $580.00Regular price $600.00 -
Vendor: Triconex
Invensys Triconex 3511 Pulse Input Module 100% Original New
5 reviewsSale price $580.00Regular price $600.00 -
Vendor: Triconex
Invensys Triconex TMR 3604E Digital Output Module In Stock
2 reviewsSale price $580.00Regular price $600.00 -
Vendor: Allen-Bradley
Allen-Bradley PLC-5 1771-IBD 16 Point Digital Input Module
Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley PLC-5 1771-ASB Remote I/O Adapter Module
Sale price $230.00Regular price $270.00 -
Vendor: Woodward
Woodward Vertex-Pro Compressor Control 5466-258 Discrete I/O Module
Sale price $430.00Regular price $450.00 -
Vendor: Schneider
Schneider Electric TSXDST2472 TSX Series 24 Point I/O Module
Sale price $210.00Regular price $240.00 -
Vendor: Ovation
Emerson Ovation 5X00226G02 Input/Output Interface Module
Sale price $210.00Regular price $240.00 -
Vendor: Foxboro
Foxboro | I/A Series | FBM205 | I/O Interface Module (Redundant)
Sale price $210.00Regular price $250.00 -
Vendor: Foxboro
Foxboro | I/A Series | FBM204 P0914SY | 4-channel Isolated I/O Module
Sale price $210.00Regular price $250.00 -
Vendor: Yokogawa
Yokogawa AAI543-H00 16-channel Analog Output Module
Sale price $260.00Regular price $290.00
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Express Shipping
Swift delivery to meet urgent needs.
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Extensive Inventory
Vast stock ensures immediate availability.
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Quality Assurance
Genuine, high-quality PLC & DCS parts.
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Global Service
Catering to clients worldwide with reliable support.