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1734-CTM

1734-CTM Allen-Bradley Common Terminal Block Module

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  • Manufacturer: Allen-Bradley

  • Product No.: 1734-CTM

  • Product Type: Common Terminal Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 40g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Allen-Bradley 1734-CTM is a Common Terminal Module (CTM) belonging to the Bulletin 1734 POINT I/O series manufactured by Rockwell Automation. Designed to expand the termination capacity of high-density POINT I/O assemblies, it simplifies external common connections for 3-wire field devices and higher-density 8-channel modules. The 1734-CTM mounts onto 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS terminal base units using a mechanical keyswitch position setting of 5. Featuring continuous isolation voltage rated at 250V (tested to 1600 Vrms for 60 seconds), it supports field power supply currents up to 4A per module with an ultra-compact net weight of approximately 0.04 kg (0.09 lbs).

Key Advantages

  • Expanded Field Termination Capacity: Streamlines common power distribution and signal ground connections across 3-wire field devices without adding external terminal strips.
  • Flexible Field Power Operations: Operates across a wide power range, supporting 10 to 28.8 V DC or 120 to 240 V AC supply voltages at 4 amps maximum continuous current per module.
  • High Dielectric Isolation: Continuous 250V rating tested at 1600 Vrms for 60 seconds to ensure robust electrical isolation between adjacent control buses.
  • Hazardous Location Certification: UL Listed for Class I, Division 2, Groups A, B, C, and D hazardous environments with C-UL-US approval.
  • Ultra-Compact Modular Form Factor: Easily snaps into standard POINT I/O bases with keying position 5, adding functionality with a lightweight 0.04 kg (0.09 lbs) footprint.

Technical Specifications

Manufacturer / Brand Allen-Bradley / Rockwell Automation
Part / Catalog Number 1734-CTM
System Series / Module Type Bulletin 1734 POINT I/O | Common Terminal Module
Terminal Base Compatibility 1734-TB, 1734-TBS, 1734-TOP, 1734-TOPS
Keyswitch Position Position 5 Mechanical Keying
Field Power Supply Voltage 10 to 28.8 V DC / 120 to 240 V AC (1-28.8V DC or 12/240V AC nominal)
Field Power Supply Current 4 A per module maximum
Isolation Voltage Rating 250 V Continuous Isolation (Tested at 1600 Vrms for 60s)
Operating Temp & Humidity -20 to 55 °C (-4 to 131 °F) | 5% to 95% non-condensing
Certifications & Ratings C-UL-US Listed, Class I Div 2 Groups A, B, C, D Hazardous Locations
Approximate Net Weight 0.04 kg (0.09 lbs)

Frequently Asked Questions

Q1: What is the primary function of the Allen-Bradley 1734-CTM module?

A1: It expands termination capacity for POINT I/O bases to manage common wiring for 3-wire devices.

Q2: What keyswitch setting is required for installing the 1734-CTM?

A2: The terminal base assembly keyswitch must be turned to position 5 before mounting the module.

Q3: Which terminal bases are compatible with the 1734-CTM module?

A3: It mounts on 1734-TB, 1734-TBS, 1734-TOP, and 1734-TOPS POINT I/O base assemblies.

🏷️ Tags: Common Terminal Module

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