Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]

The TC-TBNH is a precision-engineered 20-pin terminal block assembly designed for Honeywell Experion PKS and PlantScape control systems. It serves as the primary interface between field wiring and I/O modules, providing a secure, vibration-resistant termination point for both digital and analog signals.
Built for industrial reliability, the TC-TBNH maintains signal integrity under high-vibration and electrically noisy conditions. Its compact, high-density design simplifies cabinet wiring, while the robust clamping mechanism prevents loose connections and wire fatigue. Ideal for both new installations and replacement of existing terminal blocks, it ensures a dependable electrical path for critical process data.
| Parameter | Description |
|---|---|
| Model Designation | TC-TBNH |
| Connection Density | 20-pin |
| Single Wire Capacity | 14–22 AWG (0.64–1.63 mm) |
| Double Wire Capacity | 16–22 AWG (0.64–1.30 mm) |
| Unit Weight | 0.14 kg |
| Material | High-temperature, flame-retardant industrial polymer |
| Contact Plating | Corrosion-resistant conductive alloy |
| Mounting Style | Direct plug-in interface for Honeywell I/O modules |
| Operating Environment | Industrial-grade; vibration- and EMI-resistant |
I/O Module Termination
Provides reliable termination for Honeywell Series TC I/O modules.
Signal Distribution & Wire Management
Organizes field wiring from sensors and actuators in DCS cabinets.
Maintenance & Replacement
OEM replacement for worn or damaged terminal blocks in existing control nodes.
Q: Can two wires be terminated in a single pin?
A: Yes. The TC-TBNH supports two-wire terminations provided the wires are 16–22 AWG, ensuring a secure connection for daisy-chained signals.
Q: Are special tools required for installation?
A: No. Standard compression-style screws allow installation using basic industrial screwdrivers without specialized crimping tools.