TC-TBNH Honeywell 20-Pin Terminal Block

Availability: 99 left in stock

Product Description The TC-TBNH (Part Number: TC-TBNH) is a 20-pin terminal block connector engineered for Honeywell Experion PKS Series C I/O modules. This high-density interface provides...

SKU: TC-TBNH

Manufacturer: Honeywell
Product No.: TC-TBNH
Product Type: Terminal Block
Product Origin: USA
Payment:T/T, Western Union
Weight: 140g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Description

The TC-TBNH (Part Number: TC-TBNH) is a 20-pin terminal block connector engineered for Honeywell Experion PKS Series C I/O modules. This high-density interface provides a secure and reliable termination point for field wiring, bridging signals from transmitters, actuators, and discrete devices to the control electronics. Designed for industrial durability, the TC-TBNH ensures long-term electrical integrity and mechanical stability in harsh process environments.

Its robust screw-cage clamp design facilitates gas-tight connections and allows field wiring to remain undisturbed during module servicing or replacement. The terminal block is optimized for plug-in installation on Series C Input Output Termination Assemblies (IOTAs), simplifying both installation and maintenance.

Technical Specifications

Parameter	Specification
Model Designation	TC-TBNH
Terminal Count	20 Pins
Connector Type	Screw-cage clamp
Wire Size (Single Wire)	14–22 AWG (0.64–1.63 mm)
Wire Size (Dual Wire)	16–22 AWG (0.64–1.30 mm)
System Compatibility	Honeywell Series C I/O / Experion PKS
Contact Material	High-conductivity copper alloy, corrosion-resistant plating
Insulation Material	Flame-retardant industrial polymer
Installation Method	Plug-in interface for IOTA boards
Unit Weight	0.14 kg

Application Scenarios

Terminating 4–20 mA analog transmitter loops on Series C input modules
Managing discrete digital signals in petrochemical and process control systems
Providing modular wiring access for Fieldbus Interface Modules (FIMs)
Facilitating maintenance and replacement of worn or damaged terminal blocks without disrupting field wiring

Frequently Asked Questions

Can the TC-TBNH accept two wires per terminal?
Yes. Each pin supports two wires between 16–22 AWG, allowing daisy-chaining or signal bridging directly at the terminal.

Is this terminal block compatible with all Series C IOTAs?
No. The TC-TBNH is compatible only with IOTAs featuring a 20-pin header format. Always verify the pin count of your IOTA before installation.

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