Ceramic Plugs | McMaster-Carr

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	Number of Circuits Number of Circuits

	Maximum Temperature Maximum Temperature

250° to 499° F

500° to 999° F

1,000° F or greater

	For Wire Gauge For Wire Gauge

	Wire Connection Type Wire Connection Type


Screw Terminals	Screw-Clamp Terminals

	Mounting Location Mounting Location

	Surface

	Voltage Voltage

	System of Measurement System of Measurement

Inch

	Width Width

	Number of Mounting Holes Number of Mounting Holes

	Current Per Circuit Current Per Circuit

Less than 100 A

	Height Height

	Material Material	Show

Ceramic

	Material Material	Hide

	Length Length

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

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

REACH Compliant

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Color Color

	Beige
	White

	Minimum Temperature Minimum Temperature

-40° F

Not Rated

	Specifications Met Specifications Met

C-UL Recognized
Component

UL Recognized
Component

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

	Mounting Hole Diameter Mounting Hole Diameter

0.14"

0.19"

0.24"

	Terminal Size Terminal Size

17 Products

High-Temperature Touch-Safe Terminal Blocks

One Circuit

Two Circuits

Three Circuits

Four Circuits

Blocks are made of ceramic to withstand elevated temperatures. Recessed terminals prevent accidental contact with a live circuit.

For technical drawings and 3-D models, click on a part number.

								Mounting Holes
No. of Circuits	For Wire Gauge	Wire Connection Type	Terminal Ctr.-to-Ctr.	Lg.	Wd.	Ht.	Mounting Fasteners Included	Dia.	No. of	Specifications Met		Each
1,110° F Max. Temperature
300V AC/300V DC—20A Per Circuit
1	24-12	Screw-Clamp Terminals	__	7/16"	15/16"	3/4"	__	__	__	UL Recognized Component, C-UL Recognized Component	0000000	00000
2	24-12	Screw-Clamp Terminals	5/16"	11/16"	15/16"	3/4"	__	__	__	UL Recognized Component, C-UL Recognized Component	0000000	0000
2	24-12	Screw-Clamp Terminals	1/2"	15/16"	15/16"	3/4"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000
3	24-12	Screw-Clamp Terminals	5/16"	1"	15/16"	3/4"	__	__	__	UL Recognized Component, C-UL Recognized Component	0000000	0000
3	24-12	Screw-Clamp Terminals	1/2"	1 7/16"	15/16"	3/4"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000
300V AC/300V DC—30A Per Circuit
1	22-10	Screw-Clamp Terminals	__	1/2"	1"	3/4"	__	__	__	UL Recognized Component, C-UL Recognized Component	0000000	0000
2	22-10	Screw-Clamp Terminals	9/16"	1"	1"	3/4"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000
3	22-10	Screw-Clamp Terminals	9/16"	1 5/8"	1"	3/4"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000
4	22-10	Screw-Clamp Terminals	5/16"	1 9/16"	13/16"	5/8"	No	0.14"	1	UL Recognized Component, C-UL Recognized Component	0000000	0000
300V AC/300V DC—65A Per Circuit
2	18-6	Screw-Clamp Terminals	11/16"	1 1/4"	1 1/8"	15/16"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000
3	18-6	Screw-Clamp Terminals	11/16"	1 7/8"	1 1/16"	15/16"	No	0.14"	2	UL Recognized Component, C-UL Recognized Component	0000000	0000

High-Temperature Terminal Blocks

Three Circuits, 460° F

Three Circuits, 840° F

Blocks are made of ceramic to withstand elevated temperatures.

For technical drawings and 3-D models, click on a part number.

									Mounting Holes
No. of Circuits	For Wire Gauge	Wire Connection Type	Terminal Size	Terminal Ctr.-to-Ctr.	Lg.	Wd.	Ht.	Mounting Fasteners Included	Dia.	No. of		Each
460° F Max. Temperature
500V AC/500V DC—44A Per Circuit
1	14-12	Screw Terminals	No. 10	9/16"	1 11/16"	9/16"	7/8"	No	0.14"	2	0000000	00000
3	14-12	Screw Terminals	No. 10	11/16"	2 13/16"	1 1/8"	15/16"	No	0.24"	2	0000000	00000
4	14-12	Screw Terminals	No. 10	11/16"	3 9/16"	1 1/8"	15/16"	No	0.24"	2	0000000	00000
6	14-12	Screw Terminals	No. 10	11/16"	5"	1 1/8"	15/16"	No	0.24"	2	0000000	00000
840° F Max. Temperature
600V AC/600V DC—20A Per Circuit
2	20-12	Screw Terminals	No. 8	7/8"	1 9/16"	1 1/4"	13/16"	No	0.19"	1	0000000	00000
3	20-12	Screw Terminals	No. 8	7/8"	2 7/16"	1 1/4"	13/16"	No	0.19"	2	0000000	00000