Terminal Blocks

Terminal Blocks — New & Used

Terminal blocks provide a safe and reliable way to connect, organize, and distribute electrical wiring in control panels and industrial systems. Designed for secure clamping, easy maintenance, and consistent conductivity, they simplify circuit organization while reducing downtime during wiring or servicing. Available in screw-type, spring-clamp, barrier strip, and DIN rail-mounted styles, terminal blocks are essential for efficient power and signal distribution in automation and electrical systems.

At Surplus Select, we stock a rotating selection of new and used OEM terminal blocks from trusted brands including Allen-Bradley, Weidmüller, Phoenix Contact, WAGO, and Square D. Each listing reflects live inventory and surplus pricing to help you source high-quality connection components at a fraction of distributor cost.

Price Match — We match any authorized distributor on identical in-stock parts, so you can source parts at surplus pricing with distributor-level assurance.

Trade-In Credit — Have quality new surplus items? Trade them in for store credit toward the parts you actually need.

Fast U.S. Shipping — Most terminal block orders ship same or next business day from our U.S. warehouse to keep your project moving.

Find Your Terminal Block Fast (Search-First)

Search your part number (e.g., 1492-J4, 280-308, 2002-1201).
No PN? Try specs: “DIN rail terminal block” or “4-position screw terminal block”.
Need a specific OEM? Add the brand (e.g., Phoenix Contact terminal block or Allen-Bradley 1492).

Applications & Use Cases

Control panels & enclosures: Organized wiring connections for industrial automation and electrical systems.
Power distribution: Safe and modular power routing in manufacturing and process environments.
Machine wiring & MRO: Quick maintenance and rewiring for equipment and control circuits.
Building automation: Reliable signal and voltage distribution for HVAC, lighting, and control networks.
Custom assemblies: Ideal for electrical panel builders and system integrators.

Why Buy Terminal Blocks from Surplus Select

New & Used Options: OEM terminal blocks and accessories available at surplus pricing.
Trusted Brands: Allen-Bradley, Phoenix Contact, Weidmüller, WAGO, and Square D.
Trade-In Credit: Turn quality new surplus terminal blocks into store credit for future purchases.
Fast Shipping: Most orders ship same or next business day across the U.S.