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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | TB820V2 |
TB820V2 3BSE013208R1 ABB I/O module terminal base S800 I/O system Screw-type wiring
ABB TB820V2 is a standard I/O module Terminal Base specially designed for the S800 I/O series of ABB AC 800M control systems. This base adopts screw-type terminal blocks for installing compatible S800 compact I/O modules with a width of 22.5mm (such as AI801, DI801, DO801, etc.), providing a safe, clear and maintainable field signal access solution.
Technical parameters
| Model Number | TB820V2 |
| Manufacturer | ABB |
| Product Type | Terminal Base Unit (with Screw Terminals) – S800 I/O Family |
| Compatible I/O Modules | All standard S800 digital and analog I/O modules (e.g., SD821, SD822, AI810, AO810, etc.) |
| Number of Channels Supported | Up to 16 (depends on mounted I/O module) |
| Terminal Type | Screw-clamp terminals (spring-assisted, captive screws) |
| Wire Range (per terminal) | 0.14–2.5 mm² (AWG 26–14) |
| Stripping Length | 7 mm |
| Torque Specification | 0.5 Nm (4.4 lb·in) |
| Field Wiring Protection | Optional front covers available (e.g., TU890) for IP20+ finger protection |
| Module Retention | Integrated latch for secure I/O module locking |
| Hot-Swap Support | Yes – allows replacement of I/O modules without powering down the system |
| Backplane Connection | Connects to S800 I/O bus via DIN rail-mounted backplane (e.g., in cabinets with CI854 interface) |
| DIN Rail Mounting | Standard 35 mm DIN rail (EN 60715 / TH35) |
| Operating Temperature | –25°C to +70°C (–13°F to +158°F) |
| Humidity | 5% to 95% RH, non-condensing |
| Dimensions (W × H × D) | 45 mm (W) × 110 mm (H) × 95 mm (D) |
| Weight | Approx. 250 g |
| Material | Flame-retardant polyamide (UL 94 V-0) |
Product Images
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