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PRODUCT FAMILY

Allen-Bradley Terminal Blocks & Wiring

Allen-Bradley panel wiring hub: Bulletin 1492 terminal blocks, interface modules, power distribution, fuse blocks and protection components — 50 catalogued numbers.

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Terminal Blocks & Wiring — Available Products

Overview

Allen-Bradley Bulletin 1492 panel wiring and connection components are catalogued here. The family holds 50 catalogued part numbers, and every one of them is listed under a single series.

Series in this family

  • 1492 Terminal Blocks & Wiring Systems — 50 catalogued parts. The series represents the Bulletin 1492 platform as a whole, so it groups components with different functions rather than terminal blocks alone.

What the catalogued numbers cover

  • Surge / protection modules (1492-SPM) — 10 catalogued numbers
  • Power distribution components (1492-PD, PDE, PDM) — 9 catalogued numbers
  • Fuse blocks and fuse holders (1492-FB, H4, WFB) — 7 catalogued numbers
  • Interface modules (1492-IFM, AIFM, XIM) — 8 catalogued numbers
  • Wiring and interface cables (1492-CABLE, CONCAB, CONACAB) — 5 catalogued numbers
  • Supplementary protection components (1492-SP) — 4 catalogued numbers
  • Miniature circuit protection (1492-GH) — 3 catalogued numbers
  • Terminal blocks, DIN rail and wiring accessories (1492-J, DR, EAJ, MCGAT) — 4 catalogued numbers

Ratings, pole counts and configurations vary by part number, so list every catalogue number you need when requesting a quote. Open the series page for the catalogued list.

Machine down? Get a fast quote on Terminal Blocks & Wiring parts.

New, surplus, and refurbished Allen-Bradley options. Request a quote or speak directly with an automation specialist for emergency sourcing.

Common Faults

Common Faults

  • Capacitor degradation after 7–10 years of service
  • Communication errors after firmware drift
  • Input/output channel failure from over-voltage events
  • Cooling fan failure causing thermal shutdown
  • Connector wear in high-vibration installations

Troubleshooting Basics

Troubleshooting

  1. Confirm supply voltage and grounding
  2. Inspect diagnostic LEDs and fault codes
  3. Verify firmware/configuration matches the application
  4. Swap with a known-good unit to isolate the fault
  5. Check field wiring and termination

Replacement Options

Replacement Options

  • Direct OEM replacement (preferred)
  • Refurbished OEM unit (cost-effective)
  • Compatible cross from the same manufacturer's current catalog
  • Equivalent from an alternative manufacturer (engineering review required)

Migration Recommendations

Migration Path

When migrating away from discontinued units, plan for: firmware compatibility, wiring changes, software/configuration migration, spare-parts stock, and field commissioning. Palm Parts Solution can supply both the current generation and stock of the legacy unit while you plan the migration.

Compatibility

Compatibility

Units in this family are compatible with the manufacturer's standard control architecture, communication protocols (where applicable), and accessory ecosystem. Always cross-reference the exact catalog number, firmware revision, and hardware series before installation.

Browse by Series

Product Types in this Family

Frequently Ordered Together

Frequently Ordered

Customers ordering from this family frequently pair the unit with matching cables, terminal blocks, mounting kits, and surge protection. Contact our team for a complete BOM review.

Compatible & related families

Why Buy From Palm Parts Solution

Fast Worldwide Shipping

DHL, FedEx, UPS — door-to-door in 1-4 business days.

Same-Day Quotes

RFQs sent during business hours are answered the same business day.

Sourcing Options

New, surplus and refurbished Allen-Bradley options — request current availability.

Machine-Down Support

24/7 emergency sourcing for production-critical failures.

Request a Quote

Custom pricing on volume, repair, and hard-to-find SKUs.

Automation Specialists

Talk to engineers, not call-center agents.

Product Sourcing

We hunt down discontinued and obsolete parts globally.

Obsolete Support

Lifecycle-end Allen-Bradley parts — sourced, tested, warrantied.

Frequently asked questions

What is the Terminal Blocks & Wiring family used for?

The Terminal Blocks & Wiring family from Allen-Bradley covers industrial automation applications such as machine control, process control, motor control and discrete I/O. Browse the series below to find the exact part number for your installation.

Are obsolete Terminal Blocks & Wiring parts still available?

Yes. We stock new surplus, refurbished and end-of-life Terminal Blocks & Wiring units from Allen-Bradley. If a part number is no longer in production we will identify a compatible replacement or repair your existing module.

How do I identify the correct Terminal Blocks & Wiring replacement?

Match the catalog number printed on the Terminal Blocks & Wiring label, then confirm voltage, I/O count, communication protocol and firmware revision. Our team can validate compatibility against your original Allen-Bradley configuration before shipment.

Do Terminal Blocks & Wiring parts come tested?

Every Terminal Blocks & Wiring unit we ship is functionally tested against Allen-Bradley OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.

Need a specific part?

Send us your part numbers — we'll respond the same business day with pricing and availability.

Are you an Electrical Distributor?Learn more about our distributor program

Palm Parts Solution sells used surplus products. Palm Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by Palm Parts Solution come with Palm Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Rockwell Disclaimer: The product is used surplus. Palm Parts Solution is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Palm Parts Solution is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Palm Parts Solution makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Palm Parts Solution also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Palm Parts Solution also makes no representations as to your right to install any such firmware on the product. Palm Parts Solution will not obtain or supply 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 firmware.

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