Terminal Block Covers | McMaster-Carr

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537 Products

Terminal Blocks

Modular DIN-Rail Mount Terminal Blocks

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

90 products

Quick-Connect Modular DIN-Rail Mount Terminal Blocks

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

146 products

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

Pull the plug to cut power and swap out equipment

15 products

Space-Saving Modular DIN-Rail Mount Terminal Blocks

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

37 products

Terminal Blocks

Dividers separate live wires and keep your setup tidy

166 products

Terminal Blocks for Motors

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

3 products

Other Products

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

31 products

DIN Rail Spacers

Slide along rails to separate and organize terminal blocks, relays, and other components

1 product

DIN Rail Stops

Keep components such as terminal locks and relays from shifting on rails

11 products

Distribution Blocks

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

47 products