OverviewAllen-Bradley 1794-TB3S FLEX I/O Terminal Base Spring Clamp, A
Mfr. Part Number:

1794-TB3S/A

Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1794-TB3S FLEX I/O Terminal Base, 3-Wire Spring-Clamp, Series A
Full Description: Allen-Bradley 1794-TB3S FLEX I/O Terminal Base Unit, 3-Wire Spring-Clamp Termination, Series A
UPC / GTIN: 10612598170903
Status: Current Product
Inventory & PricesPLCH is Not Authorized Distributor of this product
Condition:

SOP (Surplus Open Pre-owned)

Warranty:
Manufacturer's Warranty & Support DO NOT apply.
Availability:
1 available for pre-order  
Shipping Date:
Ships on Aug 12, 2026  
Estimated Value:
Your Price: $181.00
Quantity:
 
Image
1794-TB3S/A
Disclaimer
PLC Hardware (PLCH) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens or any other Manufacturers. PLCH is NOT Authorized Dealer of this product. The product may be of older version, date codes or design than that available from authorized dealers. As PLCH is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. PLCH sells pre-owned SURPLUS and USED equipment ONLY and DOES NOT sell SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining a proper license from the manufacturer. PLCH makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. PLCH also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from Original Manufacturer, its distributors, or any other source. PLCH also makes no representations as to your right to install any such software or firmware on the product. PLCH will not obtain or supply software or firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing software or firmware. Customer acknowledges and agrees that PLCH DOES NOT provide any software, firmware, operating system or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance and upgrades are subject to applicable manufacturer's Licensing Agreement or similar document.
 
Similar Parts Mfr Cond Description Est Val Price Stock Qty
1794-TB3S/A RA SSP Allen-Bradley 1794-TB3S FLEX I/O Terminal Base, 3-Wire Spring-Clamp, Series A $144.00 3 days 1 buyit
1794-TB3S/A RA UPP Allen-Bradley 1794-TB3S FLEX I/O Terminal Base, 3-Wire Spring-Clamp, Series A $49.00 in stock 2 buyit
Specs & Technical Data
Specifications: Allen-Bradley 1794-TB3S FLEX I/O Terminal Base Unit, Termination Type: Spring-clamp, 3-Wire; Wiring Connections: 16 I/O Inputs, 18 Commons, 18 +V Voltage; Applications: up to 132V AC & 156V DC; Current capacity: 10A max; Isolation Voltage: Established by installed module; Enclosure Type: None (open-style); Wire Size: 0.34-2.1 mm² (22-14 AWG) solid or stranded copper wire rated at 75 °C (167 °F ) or greater, 1.2 mm (3/64 in.) insulation max; Operating Shock: 30g; Non-operating Shock: 50g. 
Miscellaneous: Allen-Bradley 1794-TB3S FLEX I/O Terminal Base unit is a spring clamp version of the cage clamp 1794-TB3 unit, provides faster and simpler wire installation. The 1794-TB3S units plug together to form the backplane. The 1794-TB3S allows Removal & Insertion of failed modules Under Power (RIUP). When using FLEX I/O modules in a high-vibration installation, especially when mounting the DIN rail vertically, using DIN-rail locks (A-B 1492-EA35) is required to prevent accidental separation of the 1794-TB3S units. 
Related Products
1794-CJC2/A
$107.00
1719-ARM/A
$35.00
1794-AENT/B
$581.00
1794-TB3T/A
$69.00
1794-ACNR15/B
$49.00
1794-TB3/A
$79.00
1794-TB3G/A
$59.00
1794-ACN15/D
$35.00
1794-ACN15/D
$173.00