Spring Terminals | McMaster-Carr

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830 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

Terminal Blocks

Dividers separate live wires and keep your setup tidy

222 products

Touch-Safe Plug-and-Socket Terminal Blocks

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

12 products

Space-Saving Circuit Board Terminal Blocks

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

6 products

Touch-Safe Terminal Blocks

Recessed terminals protect you from shocks and prevent short circuits

45 products

Space-Saving Terminal Blocks

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

12 products

Clear-View Enclosure-Mounted Terminal Blocks

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

11 products

Plug-and-Socket Circuit Board Terminal Blocks

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

10 products

Enclosure-Mounted Terminal Blocks

Ready to install without mounting the terminal block first

32 products

Through-Panel Terminal Blocks

Mount in a panel cutout to connect components on opposite sides

6 products

Enclosure-Mounted Quick-Connect Terminal Blocks

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

4 products

Terminal Blocks for Motors

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

3 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

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

Pull the plug to cut power and swap out equipment

17 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

47 products

Distribution Blocks

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

39 products

DIN Rail Spacers

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

1 product

Distribution Bars

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

31 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