Stud Terminals | McMaster-Carr

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29 Products

Harsh-Environment High-Current Distribution Bars


Stud Terminals 1 Circuit	Stud and Screw Terminals 1 Circuit	Stud and Screw Terminals 2 Circuits

Protect connections against corrosion. These bars are tin-plated copper and have stainless steel terminals. Also known as bus bars, they serve as connection points between wires with ring or spade terminals. The underside is sealed, so the bars can be safely mounted to conductive surfaces.

Distribution Bar Covers—Distribution bar covers protect the top of the bar and prevent accidental contact with live circuits.

	Distribution Bars															Distribution Bar Covers
			Stud Terminals		Screw Terminals						Mounting Holes
	Voltage	Current	No. per Circuit	Size	No. per Circuit	Size	Lg.	Wd.	Ht.	Mounting Fasteners Included	Dia.	No. of	Certification		Each		Each
Stud Terminals







				1 Circuit

				300V AC 48V DC	100 amp 100 amp	4	No. 10	—	—	4 3/16"	7/8"	1 1/8"	No	0.21"	2	CE Marked	0000000	000000	0000000	00000


				300V AC 48V DC	130 amp 150 amp	4	1/4"	—	—	5 7/8"	1 1/4"	1 1/2"	No	0.21"	2	CE Marked	0000000	00000	0000000	0000
				300V AC 48V DC	250 amp 250 amp	4	5/16"	—	—	5 7/8"	1 1/2"	1 11/16"	No	0.21"	2	CE Marked	0000000	00000	0000000	00000
				300V AC 48V DC	250 amp 250 amp	6	5/16"	—	—	7 3/4"	1 1/2"	1 11/16"	No	0.21"	2	CE Marked	000000	00000	0000000	00000


				Stud and Screw Terminals







								1 Circuit

								300V AC 48V DC	100 amp 100 amp	2	No. 10	5	No. 8	4 3/16"	7/8"	1 1/8"	No	0.21"	2	CE Marked	0000000	00000	0000000	0000


								300V AC 48V DC	130 amp 150 amp	2	1/4"	10	No. 8	5 7/8"	1 1/4"	1 1/2"	No	0.21"	2	CE Marked	0000000	00000	0000000	0000
								300V AC 48V DC	130 amp 150 amp	2	1/4"	20	No. 8	9 1/8"	1 1/4"	1 1/2"	No	0.21"	2	CE Marked	0000000	00000	0000000	0000
								300V AC 48V DC	250 amp 250 amp	2	5/16"	6	No. 10	5 7/8"	1 1/2"	1 11/16"	No	0.21"	2	CE Marked	000000	00000	0000000	00000
								300V AC 48V DC	250 amp 250 amp	2	5/16"	12	No. 10	7 3/4"	1 1/2"	1 11/16"	No	0.21"	2	CE Marked	0000000	00000	0000000	00000
								300V AC 48V DC	545 amp 600 amp	4	3/8"	4	No. 8	7"	2"	2"	No	0.26"	4	CE Marked	000000	000000	0000000	00000
								300V AC 48V DC	545 amp 600 amp	8	3/8"	4	No. 8	11 3/8"	2"	2"	No	0.39"	4	CE Marked	000000	000000	———	0




										2 Circuits

										300V AC 48V DC	130 amp 150 amp	2	1/4"	5	No. 10	4 7/8"	2 9/16"	1 1/4"	No	0.21"	2	CE Marked	0000000	00000	———	0

Distribution Posts

Stack multiple ring or spade terminals on the stud terminal; the current flows through the stacked terminals. The round design saves space.

	Terminals							Mounting Holes
	No. Per Circuit	Size	Voltage, V DC	Lg.	Wd.	Ht.	Mounting Fasteners Included	Dia.	No. of	Certification		Each
Stud Terminals







				1 Circuit

				1	1/4"	48	1 5/8"	13/16"	1 3/8"	No	3/16"	2	CE Marked	000000	000000


				1	3/8"	48	3 5/16"	1 3/4"	2"	No	1/4"	2	CE Marked	000000	00000

Terminal Blocks for Motors

Rotate the jumpers on these blocks to match wye (Y-shaped), delta, and other wiring layouts on three-phase motors. Each jumper connects two terminals positioned side by side, across the block, or on a diagonal.

For a reliable connection, attach a terminal to your wire before installing. Ring, spade, and hook terminals fit around the stud and hang on tightly, even in high-vibration setups. Pin terminals, blade terminals, and wire ferrules are easier to fit into the block, but they don't stay put as well as other terminals when vibrated or pulled.

											Mounting Holes
	No. of Circuits	For Wire Ga.	Wire Connection	Terminal Size	Terminal Ctr.-to-Ctr.	Lg.	Wd.	Ht.	Max. Temp., ° F	Color	Dia.	No. of		Each
1,000V AC/1,000V DC—35 amp per Circuit



		3	18 to 8	Stud Terminal	M4	1 1/16"	2 1/2"	1 7/16"	1 5/8"	266	Black	0.23"	2	0000000	000000


		1,000V AC/1,000V DC—160 amp per Circuit



				3	12 to 2/0	Stud Terminal	M8	1 9/16"	4 7/16"	2 11/16"	3"	266	Black	0.35"	2	0000000	00000


				1,000V AC/1,000V DC—315 amp per Circuit



						3	8	Stud Terminal	M12	2 3/4"	7 1/16"	6 1/2"	4 3/16"	266	Black	0.43"	4	0000000	000000

Terminal Blocks

Also known as barrier terminal strips, these blocks have dividers to separate live wires and keep your setup tidy. Mount them directly onto control panels, enclosures, and equipment.

A screw or stud connection creates a tight hold on the wire. You can insert stripped wire directly or attach a terminal to prevent damage from the fastener. Ring, spade, and hook terminals fit around the shank and hang on tightly, even in high-vibration setups. Pin terminals, blade terminals, and wire ferrules are easier to secure with the screw or stud. However, they don't stay put as well as other terminals when vibrated or pulled.

For DIN 3 Rails—Unlike other surface-mount terminal blocks, these have a notch that snaps onto DIN 3 rail. You can also screw them directly onto your control panel or other surface.

											Mounting Holes
No. of Circuits	For Wire Ga.	Wire Connection	Terminal Size	Terminal Ctr.-to-Ctr.	Lg.	Wd.	Ht.	Max. Temp., ° F	Color	For DIN Rail Trade Size	Dia.	No. of		Each







			600V AC/600V DC—200 amp per Circuit

			2	14 to 2	Stud Terminal	1/4"	13/16"	1 7/8"	3"	2 7/16"	257	Black	3	0.22"	4	0000000	000000


			3	14 to 2	Stud Terminal	1/4"	13/16"	2 9/16"	3"	2 7/16"	257	Black	3	0.22"	6	0000000	00000

High-Current Distribution Posts

Distribute up to 150 amps from the center stud terminal to the eight screw terminals around it. The round design saves space.

	Stud Terminals		Screw Terminals								Mounting Holes
	No. Per Circuit	Size	No. Per Circuit	Size	Current, amp	Voltage, V DC	Lg.	Wd.	Ht.	Mounting Fasteners Included	Dia.	No. of	Certification		Each
Stud and Screw Terminals







				1 Circuit

				1	1/4"	8	No. 8	150	48	3 5/16"	1 3/4"	2 3/16"	No	1/4"	2	CE Marked	000000	000000


				1	3/8"	8	No. 8	150	48	3 5/16"	1 3/4"	2"	No	1/4"	2	CE Marked	000000	00000

Marine-Grade Battery Terminal Clamps

Made of lead, these clamps resist corrosion to stand up to marine-grade environments. Use a lug to attach your cable to the stud.

	Stud Thread Size	For Battery Post Location	Terminal Material	Polarity		Each
Straight



	2/0	5/16"-18	Top	Lead	Negative	00000000	00000


	2/0	3/8"-16	Top	Lead	Positive	00000000	0000