TU837V1 General Info 

• Article number: 3BSE013238R1
• Type: Extended
• Connection: Terminal block
• Channels: 8
• Voltage: 250 V
• Mounting: Both directions, Mounting detail 55 ºC (131 °F)
• Use with I/O: DO820, and DO821
• Process connections: 28 (up to 8 I/O channels, 2 terminals per channel, 2 x 6 power common terminals)
• Single/redundant I/O: Single

Detailed Data

• Maximum current per I/O channel: 3 A
• Maximum current process connection: 10 A
• Acceptable wire sizes:
  • Signal connection: Solid (0.2 - 6 mm²), Stranded (0.2 - 4 mm², 24 - 10 AWG)
  • Return connection: Solid (0.2 - 4 mm²), Stranded (0.2 - 2.5 mm², 24 - 12 AWG)
• Recommended torque: 0.5 - 0.6 Nm
• Stripping length: Signal connection (8 mm), Return connection (7 mm)
• Dielectric test voltage: 2000 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
• 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: 126 mm (5 in.) including connector, 120.5 mm (4.74 in.) edge to edge installed
• Depth: 64 mm (2.52 in.) including terminals
• Height: 110 mm (4.3 in.)
• Weight: 0.26 kg (0.57 lbs)