Spring Terminals | McMaster-Carr

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Spring-Clamp Terminal

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821 Products

Terminal Blocks

Quick-Connect Modular DIN-Rail Mount Terminal Blocks

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

146 products

Through-Panel Quick-Connect Terminal Blocks

Snap wire in by hand to connect components on opposite sides of a panel

1 product

Quick-Connect Terminal Blocks

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

9 products

Modular DIN-Rail Mount Terminal Blocks

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

90 products

Touch-Safe Plug-and-Socket Terminal Blocks

Cut power with the pull of a plug while preventing shocks and short circuits

12 products

Plug-and-Socket Circuit Board Terminal Blocks

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

10 products

Space-Saving Circuit Board Terminal Blocks

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

6 products

Clear-View Enclosure-Mounted Terminal Blocks

Check circuits through the clear cover while blocking out dirt and liquids

11 products

Enclosure-Mounted Quick-Connect Terminal Blocks

Release a spring instead of fussing with a screw to attach your wire

4 products

Touch-Safe Terminal Blocks

Recessed terminals protect you from shocks and prevent short circuits

45 products

Enclosure-Mounted Terminal Blocks

Ready to install without mounting the terminal block first

32 products

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

Pull the plug to cut power and swap out equipment

17 products

Through-Panel Terminal Blocks

Mount in a panel cutout to connect components on opposite sides

6 products

Terminal Blocks for Motors

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

3 products

Terminal Blocks

Dividers separate live wires and keep your setup tidy

222 products

Terminal Blocks for Thermocouples

Connect thermocouple wire without distorting or destroying the signal

15 products

High-Temperature Terminal Blocks

The ceramic body handles temperatures up to 1,200° F

13 products

Space-Saving Terminal Blocks

Connect the same number of circuits as standard terminal blocks in a narrower footprint

12 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 for RTD and Thermocouple Connection Heads

Connect thermocouple and RTD probes to wire and instrumentation

8 products

Circuit Board Terminal Blocks

Pins on the bottom align with circuit board layouts

9 products

Other Products

Wire Connectors

Join two or more wires for a secure connection

38 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

Distribution Blocks

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

39 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

DIN Rail Stops

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

11 products