Module Termination Unit

TU842 - General Info

• Article number: 3BSE020850R1
• Type: Redundant
• Connection: Terminal block
• Channels: 16
• Voltage: 50 V
• Mounting: Horizontal
• Mounting detail: 55 º (131 °F)
• Use with I/O: AI843, AO845, AO845A, DI840, DI880, DO840, DO880 and DP840

Detailed Data

• 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.

Environment and Certification

• 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)
• Protection class: IP20 according to IEC 60529
• Mechanical operating conditions: IEC/EN 61131-2
• EMC: EN 61000-6-4, EN 61000-6-2
• Overvoltage categories: IEC/EN 60664-1, EN 50178
• Equipment class: Class I according to IEC 61140; (earth protected)
• RoHS compliance: EN 50581:2012
• WEEE compliance: DIRECTIVE/2012/19/EU

Dimensions

• Width: 131 mm (5.16”) including connector, 124 mm (4.88”) edge to edge installed
• Depth: 64 mm (2.52”) including terminals
• Height: 186.5 mm (7.34”) including locking device
• Weight: 0.6 kg (1.3 lbs.)