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: ABB
ABB DSDO 301 57160001-CC/1 Digital Output Board
No reviewsSale price $540.00Regular price $560.00 -
Vendor: ABB
ABB DSDO 131 57160001-KX Digital Output Unit
5 reviewsSale price $540.00Regular price $560.00 -
Vendor: ABB
3BHT300008R1 AO610 | ABB | Analog Output Module
No reviewsSale price $370.00Regular price $400.00 -
Vendor: ABB
ABB DI651 3BHT300026R1 32ch Digital Input Module
No reviewsSale price $370.00Regular price $400.00 -
Vendor: Triconex
Triconex DI3301 S2 Digital Input Module
No reviewsSale price $530.00Regular price $560.00 -
Vendor: ABB
ABB DSAI 133A 3BSE018290R1 Analog Input Board
No reviewsSale price $540.00Regular price $560.00 -
Vendor: Honeywell
TK-IOL101 51403427-175 | Honeywell | I/O Module
No reviewsSale price $1,600.00Regular price $1,800.00 -
Vendor: ABB
ABB SMIO-01C I/O Module Brand New
No reviewsSale price $200.00Regular price $220.00 -
Vendor: Yokogawa
Yokogawa SAI143-S03 Analog Input Module
No reviewsSale price $800.00Regular price $830.00 -
Vendor: Yokogawa
SAI143-H53 | Yokogawa | Analog Input Module
No reviewsSale price $2,200.00Regular price $2,300.00 -
Vendor: Yokogawa
SPW481-53 | Yokogawa | Power Supply Module
No reviewsSale price $800.00Regular price $820.00 -
Vendor: Yokogawa
SEC401-51 | Yokogawa | ESB Bus Coupler Module
No reviewsSale price $1,800.00Regular price $2,000.00
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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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Catering to clients worldwide with reliable support.