Terminal Block Jumpers | McMaster-Carr

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541 Products

Terminal Blocks

Modular DIN-Rail Mount Terminal Blocks

Mix and match blocks to get the exact number of circuits you need

90 products

Terminal Blocks

Dividers separate live wires and keep your setup tidy

222 products

Quick-Connect Modular DIN-Rail Mount Terminal Blocks

Snap wire into place with a clamp instead of fussing with a screw

146 products

Terminal Blocks for Motors

Rotate jumpers to match wye, delta, and other wiring layouts on motors

3 products

Space-Saving Modular DIN-Rail Mount Terminal Blocks

Snap onto low-profile DIN 2 rail to save space in compact enclosures

33 products

Circuit Board Terminal Blocks

Pins on the bottom align with circuit board layouts

9 products

Space-Saving Circuit Board Terminal Blocks

Handle as much voltage as other circuit board blocks while taking up half the space

6 products

Plug-and-Socket Circuit Board Terminal Blocks

Cut power and swap out components on your circuit board without removing any wire

10 products

Quick-Connect Plug-and-Socket Modular DIN-Rail Mount Terminal Blocks

Pull the plug to cut power and swap out equipment

15 products

Other Products

Electrical Cords

Connect equipment and devices to a power supply

10 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

6 products