Allen Bradley 1794-TB3 Flex I/O Terminal Base Unit
The Allen Bradley 1794-TB3 is a high-performance terminal base unit engineered for Rockwell Automation’s Flex I/O systems. Designed for industrial automation applications, it provides secure electrical connections and reliable signal transmission in demanding environments such as manufacturing plants, process control systems, and machinery installations.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Allen Bradley (Rockwell Automation) |
| Product Type | Flex I/O Terminal Base Unit |
| Terminal Screw Torque | 0.56-0.79 Nm |
| Max Supply Voltage | 125V DC/AC, 50/60Hz, 10A |
| Isolation Voltage | 125V |
| Continuous Voltage Rating | 24V DC/AC, 120V DC/AC |



Applications & Compatibility
This terminal base unit is essential for:
- Distributed control systems (DCS) requiring modular I/O configurations
- Safety Instrumented Systems (SIS) with redundant architectures
- Motor control centers and power distribution panels
- Compatible with Flex I/O analog/digital modules including 1794-IB16, 1794-OB16, and 1794-IE8
Ideal for integration with Allen Bradley ControlLogix and CompactLogix PLC platforms.
Our Expertise & Support
Hong Kong Saul Electric Co., Ltd. – Asia’s premier supplier of industrial automation components with 15+ years of technical excellence. We maintain the region’s most comprehensive inventory of obsolete, niche-market, and hard-to-source automation parts across 40+ top brands.
As certified partners for Bentley Nevada, ABB, TRICONEX, and GE, we provide:
- Expert pre-sales technical consultation
- 1-year comprehensive warranty on all components
- Priority sourcing for discontinued models
- Dedicated support for turbine monitoring, SIS, and PLC redundancy systems
Can’t find your specific model? Contact us via WhatsApp for immediate assistance. For pricing inquiries and technical specifications, email our specialists at 3931184055@qq.com.
Actual pricing varies by configuration and quantity – contact us for customized quotations.




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