BMXFTB2820 | Schneider Electric | Modicon X80 Removable Spring Connection Block

Product Overview

The Schneider Electric BMXFTB2820 provides secure, high-density field wiring termination for specific I/O modules within the Modicon X80 PAC architecture. This 28-way removable spring terminal block allows installation teams to wire field instrumentation separately from the active electronic components. By enabling hot-swappable module replacement without disconnecting individual field wires, this accessory minimizes commissioning duration and cuts maintenance downtime in heavy industrial processing plants, material handling facilities, and infrastructure control systems.

Technical Specifications

Engineering Advantages

• Screwless Spring-Clamp Gas-Tight Termination: Vibration from nearby heavy machinery, compressors, or industrial pumps routinely loosens traditional screw-type terminals over time, resulting in erratic open circuits and hard-to-find signal drops. The BMXFTB2820 utilizes a specialized mechanical spring-tension clamping mechanism that exerts constant, uniform pressure on the wire. This spring force creates a continuous, gas-tight connection that resists extreme physical vibration and thermal expansion cycles, eliminating the need for periodic manual terminal tightening.

• Rapid Removable Terminal Infrastructure: Swapping out a faulty I/O module with traditional hardwired blocks requires maintenance crews to tag, unscrew, and rewire up to 28 separate conductors manually, which can easily lead to wiring mistakes. The BMXFTB2820 features a quick-release removable mechanical framing layout. Technicians simply unlock the complete assembly block from the front faceplate, replace the underlying Modicon X80 hardware module, and snap the fully wired block back into place within seconds—keeping the original loop positions perfectly intact.

• High-Density Form Factor for Narrow Wireways: Modern automation panels demand high channel capacities within confined footprints, leaving very little room for bulky external distribution terminal strips. The BMXFTB2820 groups 28 separate termination points into a compact 1.417-inch width profile. This narrow configuration guides complex field multi-conductor cables straight down into panel wire ducts cleanly, maximizing space inside marshaling cabinets.

• Tool-Free Commissioning and Maintenance Acceleration: Inserting solid conductors or wire strands with crimped ferrules into the BMXFTB2820 requires zero specialized screwdrivers. The worker presses the integrated spring button lever open, slides the stripped conductor deep into the guide channel, and releases the mechanism. The internal block teeth lock the conductor into place instantly, slashing panel assembly time by more than 50% compared to traditional screw termination blocks.

FAQs

• Is this BMXFTB2820 connection block an original factory item?

  Yes. We sell this product exclusively as a 100% brand new, original Schneider Electric factory-packaged accessory. Every block ships in its pristine original carton with intact manufacturer labeling and authentic distribution documentation.

• Can I use this 28-pin block on any standard Modicon X80 module?

  No. This terminal block matches specific high-density Modicon X80 modules designed with a 28-pin mechanical interface (such as the BMXAMI0810H isolated analog input module). Always cross-reference your specific I/O module's technical manual to verify connector compatibility before installation.

• What type of wire does the spring mechanism accept?

  The spring-clamp system accommodates standard solid industrial wires or flexible multi-strand copper conductors. For optimum longevity and safety in high-vibration applications, we recommend installing insulated crimp ferrules onto multi-strand wire ends before pushing them into the spring terminals.

• Does this terminal block require special tools for wire removal?

  No. To release an existing field wire, you simply insert a standard small slotted screwdriver or pin tool into the integrated release lever slot adjacent to the wire port. This opens the internal retention clamp, allowing you to pull the conductor out smoothly without damaging the wire strands or the internal spring.