Brand: ABB Description: Modular Trunk Modem Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 8 Payment Term: T/T Shipping Port: Shenzhen ABB TB840A is designed for industrial automation control systems, supports distributed control system (DCS) integration, and has communication and control functions.
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Manufacture |
ABB |
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Model Number |
TB840A |
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Ordering Number |
3BSE021456R1 |
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Catalog |
800xA |
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Country Of Origin |
Sweden |
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HS CODE |
8517623400 |
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Dimension |
53*11*12CM |
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Packing Dimension |
55*13*14CM |
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Weight |
1.5KG |
Technical Parameters
Working voltage: 24V DC (±10%).
Current range: 100-400A (supports four-step residual overcurrent protection).
Communication interface: industrial bus protocol.
Protection level: IP30 (industrial environment protection).
Modular design: supports DCS system integration.
Core Functions
High reliability communication: ABB TB840A, as a cluster modem, supports data exchange with other industrial equipment to achieve remote monitoring.
Current protection function: Four-step residual overcurrent protection (EF4) to prevent equipment from being damaged by current overload.
Alarm and maintenance: ABB TB840A has a built-in light alarm function to prompt system abnormalities in real time.
Typical Application Scenarios
Industrial automation: integrated in DCS system, used for process control and equipment management in chemical, power and other industries.
Equipment protection and monitoring: ABB TB840A monitors the current status of the production line and triggers the protection mechanism in the fields of steel, metallurgy, etc.
Distributed control system: Replace old communication modules and improve system scalability and stability.
