Surface Terminals | McMaster-Carr

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	Number of Circuits Number of Circuits

	Mounting Location Mounting Location	Show

Surface

	Mounting Location Mounting Location	Hide

	For Wire Gauge For Wire Gauge

24
22
20
18
16
14
12
10
8
6
4
2
1/0
2/0

	Wire Connection Type Wire Connection Type

Screw Terminals

Screw-Clamp Terminals

Spring-Clamp Terminals

Stud Terminals

	Maximum Voltage Maximum Voltage

	System of Measurement System of Measurement

Inch

Metric

	Terminal Center-to-Center Terminal Center-to-Center

	Length Length

	Width Width

	Terminal Size Terminal Size

	Current Per Circuit Current Per Circuit

	Number of Mounting Holes Number of Mounting Holes

	Height Height

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Mounting Hole Center-to-Center Length Mounting Hole Center- to-Center Length

	Color Color

	Beige		Black
	Gray		White

	Number of Terminals Per Circuit Number of Terminals Per Circuit

	Specifications Met Specifications Met

CSA

CE Marked

UL 94

	Mounting Hole Diameter Mounting Hole Diameter

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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360 Products

Terminal Blocks

Touch-Safe Terminal Blocks

Rated IP20, these blocks have recessed terminals to prevent accidental contact with live circuits.

Terminal Blocks

Mount blocks to a panel or the surface of a machine. Also known as barrier terminal strips.

Space-Saver Terminal Blocks

A single row of terminals fits in narrow spaces.

Quick and Secure Connect Terminal Blocks

The spring-clamp terminals on these blocks make wire installation faster than other types of terminals. These wire connections also stand up to vibration and temperature changes.

Short-Resistant Terminal Blocks

Recessed screw terminals prevent you from accidentally connecting two circuits with a screwdriver or other tool, causing a short.

High-Temperature Short-Resistant Terminal Blocks

Made of ceramic, these blocks withstand high-temperature applications that reach up to 1110° F such as ovens and furnaces. They have recessed screws to reduce the chance you’ll cause a short by accidentally connecting two circuits with a screwdriver or other tool.

Short-Resistant Easy-Disconnect Terminal Blocks

Best for equipment requiring regular servicing, these blocks disconnect without having to remove any wiring thanks to their plug-and-socket design. Their recessed screws prevent shorts by reducing the risk you’ll connect two circuits with a screwdriver or other tool.

Terminal Blocks with Built-In Configurable Jumpers

Customize these blocks’ wiring as your application changes. They come with jumpers that connect terminals on the same block, either across or next to one another.

Distribution Blocks

With the help of distribution blocks, you can take a high-current wire from your power source and connect it to one or more electrical devices.

Distribution Posts

Stack multiple ring or spade terminals on the stud terminal; the current flows through the stacked terminals.

High-Current Distribution Posts

Distribute up to 150 amps from the center stud terminal to the eight screw terminals around it.

Harsh Environment High-Current Distribution Bars

Protect connections against corrosion.These bars are tin-plated copper and have stainless steel terminals.

Modular Distribution Bars

Build your own distribution system by adding terminal blocks to these bars.