Allen-Bradley 1794-TB3S Terminal Base | FLEX I/O

Allen-Bradley 1794-TB3S FLEX I/O Terminal Base Unit

The Allen-Bradley 1794-TB3S is a terminal base unit for FLEX I/O systems. This modular component provides secure wiring connections for I/O modules. It enables reliable signal transmission in industrial automation. The 1794-TB3S supports flexible system configuration and easy maintenance.

Product Identification

• Manufacturer: Allen-Bradley / Rockwell Automation
• Part Number: 1794-TB3S terminal base unit
• Product Type: FLEX I/O system terminal base
• System Compatibility: FLEX I/O modular platform

Electrical Specifications

• Supply Voltage: 125V DC/AC maximum rating
• Voltage Rating: 24V DC/AC and 120V DC/AC operation
• Current Capacity: 10A maximum terminal current
• Isolation Voltage: 125V continuous electrical isolation
• Flexbus Rating: 640 mA at 5V DC system power
• Screw Torque: 0.56-0.79 Nm for secure connections
• Frequency: 50/60 Hz AC operation

Physical Specifications

• Dimensions: 110mm x 87mm x 41mm (LxWxH)
• Weight: 170 grams lightweight design
• Mounting Type: Standard 35mm DIN rail
• Construction: Durable plastic housing

Environmental Ratings

• Operating Temperature: -20°C to +70°C range
• Storage Temperature: -40°C to +85°C range
• Humidity Range: 5% to 95% non-condensing
• Protection Rating: IP20 for indoor applications
• Vibration Resistance: 5g, 10-500 Hz frequency
• Shock Resistance: 30g operational durability

Installation Guidelines

• Mount on standard 35mm DIN rail in control panel
• Use proper torque (0.56-0.79 Nm) for terminal screws
• Connect wires according to system wiring diagrams
• Install compatible FLEX I/O modules onto base unit
• Ensure proper grounding for electrical safety
• Maintain clearance for ventilation and maintenance

Frequently Asked Questions (FAQ)

What is the main function of the 1794-TB3S?

The 1794-TB3S provides wiring termination points for FLEX I/O modules in control systems.

What wire sizes does this terminal base accept?

It typically accepts 12-24 AWG wires, but consult specifications for exact requirements.

Can I use this base with high-voltage signals?

Yes, it supports up to 125V AC/DC, suitable for most industrial control signals.

How many modules can connect to one base unit?

Each 1794-TB3S base supports one FLEX I/O module directly.

Is this suitable for outdoor installations?

No, the IP20 rating indicates indoor use only in controlled environments.

What tools are needed for installation?

Standard DIN rail mounting tools and a torque screwdriver for proper terminal connection.

For technical specifications or pricing for the 1794-TB3S, contact sale@etowonauto.com.

Content provided by Etowon Auto.