Module Termination Unit (MTU)

TU841 - Specifications

• Article Number: 3BSE020848R11
• Communication Protocol: Modulebus
• Redundancy: Line Redundancy Supported
• Hot Swap: Not Supported
• Type: Redundant TB840/TB840A, Single I/O, Single Power
• Power Input: 24 V DC (19.2 - 30 V)
• Mounting: Vertical or Horizontal

Technical Details

• 24 V Consumption (Typical): N/A
• ModuleBus Current Distribution:
  • Maximum 5 V: 1.5 A
  • 24 V: 1.5 A
• Mechanical Keys: 36 Combinations Available
• Acceptable Wire Sizes:
  • Solid: 0.2 - 2.5 mm²
  • Stranded: 0.2 - 2.5 mm², 24 - 12 AWG
  • Recommended Torque: 0.5 Nm
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V AC
• Power Dissipation: 2.0 W

Environment and Certifications

• CE Marking: Yes
• Electrical Safety: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
• Hazardous Location: cULus Class 1 Zone 2, ATEX Zone 2
• Marine Certifications: ABS, BV, DNV-GL, LR
• Operating Temperature: 0 to +55 °C (+32 to +131 °F), certified for +5 to +55 °C
• Storage Temperature: -40 to +70 °C (-40 to +158° F)
• Relative Humidity: 5 to 95 % (non-condensing)
• Max Ambient Temperature: 55 °C (131 °F), 40 °C (104 °F) for vertical mounting
• Equipment Class: Class I per IEC 60536 (earth protected)
• Ingress Protection: IP20 per IEC 60529
• RoHS Compliance: DIRECTIVE/2011/65/EU (EN 50581:2012)
• WEEE Compliance: DIRECTIVE/2012/19/EU

Dimensions and Weight

• Dimensions:
  • Width: 124 mm (4.88 in.)
  • Height: 186 mm (7.32 in.) including latch
  • Depth: 47 mm (1.85 in.)
• Weight: 0.45 kg (0.99 lbs.)