NEMA 9 Limit Switches | McMaster-Carr

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Environment

Actuator Style

Hazardous Location Rating

NEC Class I Divisions 1, 2 Groups B, C, D

NEC Class II Divisions 1, 2 Groups E, F, G

Housing Material

Actuator Height

Enclosure Rating

Switching Voltage

Wire Connection

Switch Action

Switch Designation

Mounting Hole Diameter

0.27"

Housing Length

2.7"

Number of Mounting Holes

Switching Current

2.5 amp

10 amp

Number of Terminals

Number of Circuits Controlled

Certification

Housing Height

Conduit Connection Gender

Female

Conduit Thread Type

NPT

Conduit Trade Size

1/2

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

RoHS

REACH

2 Products

Hazardous Location Limit Switches


Plunger Actuator	Wobble Stick Actuator

Safely open or close a circuit near ignitable gases and dust—the housing on these switches seals in anything that could ignite flammable material. You'll know they're safe because they're NEC Class I, Divisions 1, 2 Groups B, C, and D; and Class II, Divisions 1, 2 Groups E, F, and G certified for hazardous locations. These switches send a signal to your circuit when an object hits the actuator—for instance, a box on a conveyor runs into the switch, stopping the conveyor. They open and close circuits as fast as snap-acting switches, but they have a bigger actuator for large objects.

Plunger Actuator—Switches with a plunger actuator let you adjust the actuator’s height to easily align it with your target. They require a push to activate, similar to a button.

Wobble Stick Actuator—Switches with a wobble stick actuator have an arm that rotates 360°, so you don’t need to align it in a specific direction. The actuator won’t snap if pushed backward, such as if there’s a jam in your system.

											Housing
	No. of Circuits Controlled	Switch Starting Position	Switch Action	Switch Designation	Switching Current @ Voltage	Max. Voltage	Actuation Torque, in·ozf	Operating Temp. Range, ° F	Actuator Ht.	No. of Terminals	Lg.	Ht.	Dp.	Housing Material	Conduit Trade Size	Enclosure Rating		Each
Plunger Actuator







				Screw-Terminal Wire Connection

				1	1 Off or 1 On	Momentary	SPDT	10 amp @ 600V AC, 2.5 amp @ 600V DC	600V AC 600V DC	—	0 to 185	2.7" to 2.9"	4	2.7"	4.1"	2.1"	Aluminum	1/2	NEMA 6P, NEMA 7, NEMA 9, NEMA 13	7794K14	0000000


				Wobble Stick Actuator







								Screw-Terminal Wire Connection

								1	1 Off or 1 On	Momentary	SPDT	10 amp @ 600V AC, 2.5 amp @ 600V DC	600V AC 600V DC	48	0 to 185	6.2"	4	2.7"	4.1"	2.1"	Aluminum	1/2	NEMA 6P, NEMA 7, NEMA 9, NEMA 13	7794K15	000000