TE Connectivity BUCHANAN and ENTRELEC Terminal Block Brands

In today’s world of electronics, connectivity is everything. From the tiniest circuit board to vast industrial control systems, the way components link together can determine not only performance but also reliability, manufacturability, and cost. That’s where TE Connectivity’s broad portfolio in known brands such as BUCHANAN and ENTRELEC offering terminal block connectors, barrier strips including DIN rail terminal blocks, panel mount blocks, headers and receptacles, can help. TE Connectivity offers wiring interconnect solutions tailored to many sectors, from automation to lighting to control systems.

Let’s first look at BUCHANAN, this product line embodies decades of experience in terminal and wire-to-board technologies. Under the TE Connectivity umbrella, BUCHANAN aims to deliver robust, modular, and efficient connector systems that support the demands of modern design. In a landscape of miniaturization, higher current densities, and tighter regulatory requirements (for safety, EMI, and environmental resilience), the role of a well-engineered connector is more critical than ever.

BUCHANAN brand brings together various solutions like (Figure 1):

• Barrier Blocks
• Headers Plugs and Sockets
• Wire to Board

Figure 1: Examples of, from left to right, a barrier block, a terminal block plug, and a wire to board terminal block. (Image source: TE Connectivity)

The BUCHANAN offering ensures that designers can choose the connection style best suited to their application, without compromising on quality or consistency. Some product features are:

• Quick solderless poke-in connector design
• Color configurations enabling easy identification
• Compact size design for space savings
• Side-by-side stackable options available
• Wide range of wire sizes accepted

BUCHANAN Applications:

• Lighting & LED systems benefit from BUCHANAN’s WireMate family, where quick assembly and compact form are essential. The poke-in design means fast, reliable wiring without tools, ideal in tight enclosures or fixture nodes.
• Industrial controls and automation often demand many signal and power connections in a compact footprint. BUCHANAN terminal blocks provide a rugged, field-proven option that supports both screw and cage-clamp alternatives.
• OEM electronics and consumer appliances likewise gain from the modularity and consistent performance across varying product lines simplifying sourcing, design reuse, and manufacturing.

Next let’s look at ENTRELEC brand. ENTRELEC originally was a French company specializing in terminal blocks. It was founded around 1920. Later, it became part of the ABB group, and in turn in 2018 TE Connectivity acquired ABB’s ENTRELEC terminal-block business. This acquisition gave TE a major boost in its industrial connectivity portfolio and allowed the ENTRELEC brand to continue under TE’s global footprint. The legacy of ENTRELEC means you’re working with a brand that has decades of field-proven use in harsh environments.

ENTRELEC, under TE, offers a broad range of terminal blocks and M8/M12 connectors aimed at industrial, rail, power-distribution and harsh-environment applications. Various choices like screw clamp, push-in spring terminal blocks, pluggable, power distribution, assemblies, stud blocks are just a few of the options available through TE Connectivity.

ENTRELEC brand brings together various solutions like (Figure 2):

• Din Rail, Channel
• Terminal block Marker Strips
• Wire Ducts and Raceways

Figure 2: Examples of, from left to right, a DIN Rail terminal block, a terminal block marker card, and a wire duct raceway. (Image source: TE Connectivity)

The ENTRELEC provides some standout product features that span across various technologies:

• Wide range of termination technologies
• Large product portfolio
• Time and space-saving design
• High current and rugged capabilities

ENTRELEC Applications:

• Industrial control panels and automation cabinets: DIN-rail mounted terminal blocks allow signal, power and control wiring in compact, modular form.
• Rail and transportation systems: ENTRELEC has dedicated terminal blocks for rolling stock/infrastructure, with approvals to address vibration, shock, corrosion, etc.
• Power distribution and photovoltaic installations: Power blocks and distribution modules mean ENTRELEC is relevant where high current and modular wiring are required.
• Measurement/test systems: The test‐block range allows safe measurement/monitoring in existing installations (for relays, meters, etc.).
• Harsh / demanding environments: The combination of TE’s rugged connectivity and ENTRELEC’s heritage make the brand appropriate where reliability is essential.

Summary

In an age where connectivity isn’t just about data but about power and signal integrity across systems, the importance of robust, well-engineered connector infrastructure can’t be overstated and when you are looking for high-volume manufacturing and field deployments alike, small inefficiencies add up. A connector that takes extra seconds to wire, risks screw loss can escalate costs, failure rates, or design compromises. TE Connectivity’s addresses all of that with their wide product portfolio by providing many great options for engineers and designers whether in lighting, industrial control, consumer electronics, or beyond, BUCHANAN and ENTRELEC are products worth considering. Its combination of toolless assembly, flexibility, and environmental resilience positions it as a reliable backbone in modern electronic designs.

Additional Resources:

• TE Connectivity Marketing Center
• Easy Rail Designer 3D Rail Assembly
• Push-In PCB Terminal Block Connectors
• TE Connectivity Entrelec Terminal Blocks
• SNK Terminal Blocks for Fuses
• ENTRELEC Compact Power Blocks
• Modular Screwless Terminal Blocks
• TE Robotics – Control Panel / Cabinet
• ENTRELEC Terminal Blocks
• Printable Continuous Strip Labels
• BUCHANAN PCB Connectors
• TB Series Buchanan WireMate Connector
• BUCHANAN WireMate Two-Piece Poke-In Series
• ITB Releasable Poke-In Connectors for the BUCHANAN WireMate Family
• Eurostyle Terminal Block Connectors
• 15.0 mm High Power Terminal Block
• Spring Type Terminal Blocks

Videos:

• ENTRELEC Terminal Blocks - SNK Series
• TE Connectivity TB Series Buchanan WireMate Connector | DigiKey Daily
• Episode 1: SNK, built for extreme conditions?
• Episode 2: SNK, so fast to connect?
• Episode 3: SNK series terminal blocks on time for everyone!
• Episode 4: SNK series terminal blocks offer an efficient and universal marking solution
• Episode 5: SNK series terminal blocks mounting is a child’s play
• Episode 6: SNK series accessories, ergonomic and common for all technologies

References:

• https://www.te.com/en/products/brands/buchanan.html?tab=pgp-story
• https://www.te.com/en/products/brands/entrelec.html