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Overview
The 1794-TB3TS is a terminal base unit from Allen-Bradley’s Flex I/O 1794 series. It supports temperature modules and connects multiple modules through its backplane. The unit uses spring-clamp terminals for quick and reliable wiring. You can mount it on a DIN rail or a wall panel. It operates safely up to 125V AC/DC and carries currents up to 10 Amps. Additionally, it features cold-junction compensation (CJC) for temperature accuracy. The unit fits wiring categories 2, 3, and 4, ensuring broad compatibility.
Technical Specifications
- Manufacturer: Rockwell Automation
- Brand: Allen-Bradley
- Part Number: 1794-TB3TS
- Product Type: Flex I/O Terminal Base Unit
- Voltage Rating: 24V DC/AC, 120V DC/AC, max 125V AC/DC
- Maximum Current: 10 Amps at 50–60 Hz
- I/O Connection Capacity: 16 terminals
- Common Terminals: 10
- Voltage (+V) Terminals: 4
- Chassis Ground Terminals: 8
- Cold-Junction Compensation Sets: 2
- FLEXBUS Current: 640 mA at 5V DC
- I/O Terminal Max Current: 2 Amps
- Isolation Voltage: 125V continuous between field terminals and FLEXBUS
- Wire Size Range: 22–12 AWG (0.34–3.3 mm²)
- Terminal Screw Torque: 0.56–0.79 Nm
- Mounting Method: DIN rail or wall/panel mount
- Enclosure Type: Open-style, IP20 rated
- Operating Temperature Range: -20°C to 70°C (-4°F to 158°F)
- Relative Humidity: 5–95% without condensation
- Temperature Codes: T4A and T4 (max 135°C)
- Dimensions: 94 mm x 94 mm x 69 mm (3.7 in x 3.7 in x 2.7 in)
- Weight: 0.65 kg
Payment: T/T, Western Union.
Shipping port: Xiamen.
Lead time: Typically 1–3 working days after payment confirmation (subject to stock).
Worldwide delivery: We ship industrial automation parts to customers around the world. Freight is quoted with your RFQ.
F.A.Q.
Common questions about quotes, shipping, warranty and returnsClick Request a Quote on the product page and send us the part number, required quantity, and destination country. Our sales team will reply with current availability, pricing, and estimated delivery time.
In-stock items are normally prepared after payment and order confirmation. Most orders are dispatched from our warehouse in China, although the shipping location may vary depending on current stock.
Yes. We ship industrial automation parts to customers worldwide. Shipping cost and transit time depend on the destination, package weight, product size, and local import requirements.
We commonly use DHL, FedEx, UPS, and other international courier services. The carrier can be selected according to the destination, delivery speed, shipment size, and customer requirements.
Our products are generally covered by a 12-month warranty. Eligible products may also be returned under our 30-day refund policy. Please contact our team before returning any item to confirm the applicable terms and return instructions.
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