TC-TBNH | Honeywell 20-Pin Wiring Terminal Block

Overview
The TC-TBNH is a 20-pin terminal block engineered by Honeywell to provide secure and reliable wiring connections in control panels and industrial automation systems. Its compact design supports multiple wire sizes and ensures stable electrical contact across all terminals.

Technical Specifications

• Manufacturer: Honeywell

• Model Number: TC-TBNH

• Product Type: 20 Pin Terminal Block

• Wire Capacity: 1 wire: 14–22 AWG (0.64–1.63 mm); 2 wires: 16–22 AWG (0.64–1.30 mm)

• Terminal Material: High-conductivity copper alloy with corrosion-resistant plating

• Mounting Type: Panel or DIN rail compatible

• Dimensions: Standard footprint compatible with Honeywell terminal block arrays

• Weight: 0.14 kg

• Electrical Rating: 300 V, 15 A (typical for AWG range)

• Temperature Range: –40°C to +85°C

• Insulation: High-grade industrial polymer ensuring dielectric stability

Features

• Flexible Wiring: Accepts single or dual conductors within specified AWG ranges.

• Reliable Contact: Ensures stable electrical connection under vibration and temperature variations.

• Compact Footprint: Ideal for dense control panel layouts.

• Durable Construction: Corrosion-resistant contacts and robust insulating body.

• Easy Integration: Compatible with standard Honeywell terminal block systems.

Applications

• Signal and power distribution in Honeywell control panels.

• Industrial automation wiring for process control systems.

• Compact terminal solutions for electrical cabinets and rack-mounted equipment.

FAQ

Q: How many wires can each terminal accommodate?
A: Each terminal supports 1 wire at 14–22 AWG or 2 wires at 16–22 AWG.

Q: Is the terminal block suitable for high-vibration environments?
A: Yes, the contacts are designed to maintain stable connection under vibration.

Q: What is the maximum voltage rating?
A: The block is rated for 300 V nominal.