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: Yokogawa
Yokogawa AIP578 Remote I/O Module
No reviewsSale price $1,000.00Regular price $1,200.00 -
Vendor: Yokogawa
Yokogawa ALR121-S53 Communication Module
No reviewsSale price $1,900.00Regular price $2,000.00 -
Vendor: Yokogawa
Yokogawa ST7*A Multipoint Status Output Card
No reviewsSale price $1,000.00Regular price $1,200.00 -
Vendor: Yokogawa
Yokogawa AFV10D-S41251 Duplexed Field Control Unit
No reviewsSale price $4,300.00Regular price $4,500.00 -
Vendor: Yokogawa
Yokogawa AVR10d-Q22020 Duplexed V Net Router
No reviewsSale price $800.00Regular price $830.00 -
Vendor: Yokogawa
Yokogawa PW442-50 Power Supply Module
No reviewsSale price $800.00Regular price $830.00 -
Vendor: Yokogawa
VI451-10 | Yokogawa | Communication Module
No reviewsSale price $5,100.00Regular price $5,200.00 -
Vendor: Yokogawa
Yokogawa VC401-10 Modular Coupler Unit
No reviewsSale price $5,100.00Regular price $5,200.00 -
Vendor: Yokogawa
Yokogawa SCP401-11 Processor Module
No reviewsSale price $2,200.00Regular price $2,300.00 -
Vendor: Yokogawa
Yokogawa ATI3S-001 Isolated Analog Module
No reviewsSale price $5,100.00Regular price $5,200.00 -
Vendor: Yokogawa
Yokogawa ATC5S-S00 Pressure Clamp Terminal Block
No reviewsSale price $650.00Regular price $670.00 -
Vendor: Yokogawa
Yokogawa S9341FA Terminator Module
No reviewsSale price $2,200.00Regular price $2,300.00
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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.