ABB TU842 3BSE020850R1 Redundant Terminal Block
The ABB 3BSE020850R1 is a redundant terminal block for ABB platforms. Channels: 16 | Voltage: 50 V | Mounting: Horizontal. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24 hours.
Technical Specifications
| Type | Redundant |
|---|---|
| Connection | Terminal block |
| Channels | 16 |
| Voltage | 50 V |
| Mounting | Horizontal |
| Mounting Detail | 55 °C (131 °F) |
| Use With I/O | AI843, AO845, AO845A, DI840, DI880, DO840, DO880, DP840 |
| Process Connections | : |
| Single/Redundant I/O | Redundant |
| Maximum Current per I/O Channel | 3 A |
| Maximum Current Process Connection | 10 A |
| Acceptable Wire Sizes | : |
| Solid | 0.2 - 4 mm² |
| Stranded | 0.2 - 2.5 mm², 24 - 12 AWG |
| Recommended Torque | 0.5 - 0.6 Nm |
| Stripping Length | 7 mm |
| Dielectric Test Voltage | 500 V a.c. |
| CE Mark | Yes |
| Electrical Safety | EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201 |
| Hazardous Location | C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2 |
| Marine Certification | ABS, BV, DNV-GL, LR |
| Temperature, Operating | 0 to +55 °C (+32 to +131 °F); Approvals are issued for +5 to +55 °C |
| Temperature, Storage | -40 to +70 °C (-40 to +158 °F) |
| Pollution Degree | Degree 2, IEC 60664-1 |
| Corrosion Protection | ISA-S71.04: G3 |
| Relative Humidity | 5 to 95 %, non-condensing |
| Max Ambient Temperature | 55 °C (131 °F) |
| Manufacturer | ABB |
| Model / SKU | 3BSE020850R1 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Failure Prevention: ABB 3BSE020850R1
Modules degrade gradually — intermittent faults, error counts, flickering LEDs signal approaching failure. The ABB TU842 3BSE020850R1 Redundant Terminal Block: Type: Redundant
Connection: Terminal block
Channels: 16
Voltage: 50 V
Mounting: Horizontal.
Keep one tested spare for critical systems. Swap during planned maintenance. We ship within 24 hours. 12-month warranty.
Compatible Parts — Same System
These modules share the same system family as the 3BSE020850R1. Commonly ordered together for complete rack builds or spare parts kits.
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