TU891 ABB MTU 8-Channel Intrinsic Safety Terminal Block

ABB TU891 MTU: Compact Intrinsic Safety Terminal Unit

Technical Specifications

• Brand: ABB
• Model Number: TU891 (Article 3BSC840157R1)
• Type: Compact Mounting Terminal Unit (MTU)
• Channels: 8
• Rated Voltage: 50 V (maximum)
• Rated Current per Channel: 2 A (maximum)
• Process Connections: 27 gray screw terminals
• Wire Sizes (Solid): 0.2 - 4 mm²
• Wire Sizes (Stranded): 0.2 - 2.5 mm² (24 - 12 AWG)
• Power Supply Connector: 0.25 - 2.5 mm² (24 - 14 AWG)
• Recommended Torque: 0.5 - 0.6 Nm for all terminals
• Dielectric Test Voltage: 500 V a.c.
• Operating Temperature: 0 to +55 °C (+32 to +131 °F)
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Protection Class: IP20 (IEC 60529)
• Pollution Degree: Degree 2 (IEC 60664-1)
• Corrosion Protection: ISA-S71.04: G3
• Mounting: Horizontal (DIN rail)
• Dimensions (W x H x D): 64 x 194 x 58 mm (with terminals: 106 mm depth)
• Weight: 0.17 kg (0.37 lbs)

Environmental and Certification Details

• CE Mark: Yes
• Electrical Safety: IEC 61131-EN 61010-1, EN 61010-2-201
• Marine Certification: ABS, BV, DNV-GL, LR
• EMC Compliance: EN 61000-6-4, EN 61000-6-2
• RoHS Compliance: EN 50581:2012
• WEEE Compliance: DIRECTIVE/2012/19/EU
• Equipment Class: Class I (earth protected, IEC 61140)

Frequently Asked Questions (FAQ)

• Q: Is the ABB TU891 a new and original unit?
  A: Yes, we supply only brand new, original ABB TU891 units directly from stock.
• Q: What is the typical lead time for shipping?
  A: We dispatch all orders within 5 working days after order confirmation.
• Q: Which shipping carriers do you use?
  A: We ship via trusted couriers like DHL, FedEx, and UPS for fast and reliable delivery.
• Q: Can I return the TU891 if it does not meet my needs?
  A: Yes, we offer a 30-day return policy for unused items in original packaging.
• Q: Does the TU891 work with redundant I/O configurations?
  A: The TU891 is designed for single I/O modules; please refer to the ABB system guide for redundancy options.
• Q: What is the maximum current per channel for the TU891?
  A: The maximum rated current is 2 A per channel, but the I/O module design primarily constrains this value.

Contact Information: For inquiries, please email sales@nex-auto.com or call +86 153 9242 9628 (WhatsApp).

Partner: NexAuto Technology Limited