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1797-TB3 Allen-Bradley
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1797-TB3 Allen-Bradley

$439.96 - $519.96
$439.96
$439.96 - $519.96
$439.96
Surplus - Tested (With Warranty)
Need a Specific Revision?
$439.96
4 in stock
New / Open-Box Surplus
Need a Specific Revision?
$519.96
11 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The 1797-TB3 is a FlexEx terminal base manufactured by Allen-Bradley. Designed to provide module mounting and wired connection points for FlexEx digital I/O modules, it supports intrinsically safe and general-purpose input/output configurations in hazardous-location installations. The terminal base integrates into the FlexEx platform and houses I/O modules for process and discrete control systems. It is used across applications where connection to hazardous or intrinsically safe sensors and actuators is required. 1797-TB3 is discontinued and no longer available for sale.

Best Suited For

  • Intrinsically safe digital I/O in hazardous zones
  • FlexEx system digital input/output configurations
  • Installation where NAMUR sensor compatibility is required
  • Applications requiring certified terminal base for Hazardous Locations
Number of Terminals
One row of 16 plus two rows of 18
Power dissipation
5.2 W
Operating temperature
-20 to +70 °C
Dimensions (H × W × D)
46 × 94 × 75 mm (1.8 × 3.7 × 2.95 in)
Certifications
ATEX, UL, FM

Technical Specifications

I/O & Electrical

Conductor wire size
12 AWG (4 mm²) stranded max, 1.2 mm insulation max
Keyswitch positions
3

Communication & Power

Power dissipation
5.2 W
Thermal dissipation
17.75 BTU/hr

Physical & Environmental

Dimensions (HxWxD)
46 × 94 × 75 mm (1.8 × 3.7 × 2.95 in)
Weight
≈ 200 g (0.44 lb)
Operating temperature
-20 to +70 °C (-4 to +158 °F)
Storage temperature
-40 to +85 °C (-40 to +185 °F)
Shock (operating/non-operating)
15 g, 11 ms pulse
Vibration
2 g @ 10-500 Hz (IEC-68-2-6)

Certifications

ATEXUL ListedC-ULFM

Certified for hazardous locations: ATEX (EEx ia/ib IIB/IIC T4), UL/C-UL Class I Division 1 & 2 Groups A-D T4, FM Class I Zone 1 & 2 AEx ia/ib IIC T4.

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

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