Door Access Switches | McMaster-Carr

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21 Products

Choosing an Electrical Switch

About Door Closers

When replacing an existing closer, remove the cover and match the model number and/or mounting hole pattern to a closer in our offering. Or, use one of our closers and a universal mounting plate that matches most hole patterns.

If you are installing a new closer, choose one that works for your door width. Due to added resistance from wind, closers typically accommodate smaller exterior doors than interior doors.

Mounting Positions

There are three typical mounting positions for door closers; many of our closers are versatile and can be mounted in any of these positions. To determine opening direction, stand on the side of the door where the closer will be mounted. If the door opens towards you it opens in; opens away from you it opens out.

Door Mount, Opens In—Also known as regular arm mount, this position allows the door to open in toward the closer.

Door Mount, Opens Out—Also known as parallel arm mount, the arm lays parallel with the door in the closed position.

Frame Mount, Opens Out—Also known as top frame mount, this position is often used for exterior doors.

Automatic Door Openers

Nudge your door and these openers will open it the rest of the way. You can also pair them with automatic door switches and buttons. Their delayed closing action holds the door open for a set amount of time before closing. These openers are for doors that weigh up to 200 lbs. and must be hardwired. They are reversible for right or left door-swing directions.

LCN 9130
For Interior Door Wd.	Voltage	For Door Swing Direction	Opening/Closing Action	Delayed Closing Time, sec.	Opening/Closing Speed	Frame Mount Opening Direction	Range of Motion	Electrical Connection	Mounting Hardware Included	Specifications Met	Finish		Each
30"-48"	120V AC	Reversible	Delayed Close	5 to 30	Fixed	Opens In	90°	Wire Leads	Yes	UL Listed	Aluminum Coated	00000000	000000000
LCN 9140
26"-48"	120V AC	Reversible	Delayed Close	5 to 30	Fixed	Opens Out	90°	Wire Leads	Yes	UL Listed	Aluminum Coated	00000000	00000000

Automatic Door Switches

Hardwire these switches to automatic door openers, electromagnetic locks, and electric strikes to open doors with the touch of a button or wave of a hand. Mount them to electrical boxes or surface-mount boxes (sold separately). Instant-open switches provide immediate access. Time-delay switches allow time to reach the door before it opens.

Style 1-7 switches operate with the touch of a button. Style 7 switches are 36 in. tall, so they’re easy to push with a foot, cane, crutch, or other device.

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

Instant-Open Switches

Switches
			Overall			Button							Surface-Mount Boxes		Square Posts
Style	Mounting Location	Voltage	Ht.	Wd.	Dia.	Ht.	Wd.	Dia.	Material	Specifications Met		Each		Each		Each
Push Button
3	Wall	24V DC	4 1/2"	2 3/4"	__	__	__	1 5/8"	Red Plastic	CSA Certified UL Listed	00000000	0000000	00000000	000000	000000	00
4	Wall	24V DC	4 3/4"	3"	__	__	__	2 3/8"	Red Plastic	CSA Certified UL Listed	00000000	000000	00000000	00000	000000	00
5	Wall	250V AC	4 1/2"	2 3/4"	__	4 1/2"	2 3/4"	__	304 Stainless Steel	CSA Certified UL Listed	00000000	00000	00000000	00000	00000000	0000000
6	Wall	250V AC	__	__	6"	__	__	6"	304 Stainless Steel	CSA Certified UL Listed	00000000	000000	00000000	00000	00000000	000000
7	Post, Wall	48V DC, 120V AC, 250V AC	36"	6"	__	36"	2 1/2"	__	Aluminum	__	00000000	000000	000000	00	00000000	000000

Time-Delay Switches

Switches
			Overall		Button							Surface-Mount Boxes
Style	Mounting Location	Voltage	Ht.	Wd.	Ht.	Wd.	Dia.	Material	Specifications Met		Each		Each
Push Button
1	Frame	120V AC	4 3/4"	1 1/2"	4 3/4"	1 1/2"	__	304 Stainless Steel	UL Listed	00000000	0000000	00000000	000000
2	Wall	120V AC	4 3/4"	4 3/4"	4 3/4"	4 3/4"	__	304 Stainless Steel	UL Listed	00000000	000000	00000000	000000
3	Wall	24V DC	4 1/2"	2 3/4"	__	__	1 5/8"	Red Plastic	CSA Certified UL Listed	00000000	000000	00000000	00000

Automatic Overhead Door Openers

Also known as jackshafts, these openers will stop and reverse the door's downward motion if it encounters an obstruction when closing or the light beam between the opener's light beam sensing switches is interrupted. During a power failure, use the manual chain hoist to move the door. These openers meet UL 325 safety standards for door operators and systems.

When facing the side of the door with the opener, a right-side mount opener is located on the right side of the door, left-side mount is on the left. An optional remote transmitter is sold separately.

For Max. Door						Cycles per
Ht., ft.	Wd., ft.	Gauge	Wt., lbs.	Power, hp	Voltage	Hour	Day	Ht.	Wd.	Dp.	Drive Shaft Size	Keyway Size	Mounting Hardware Included	Material	Roller Chain Trade Size		Each
For Roll-Up Doors
Left-Side Mount
20	20	24	__	1/2	120V AC, 240V AC	25	80	16 5/8"	14 1/2"	16 1/2"	1"	1/4"	Yes	Steel	50	00000000	000000000
For Roll-Up, Sectional Doors
Left-Side Mount, Right-Side Mount
__	__	__	700	1/2	120V AC, 240V AC	20	90	21 3/4"	9 3/4"	12"	1"	1/4"	Yes	Plastic	50	00000000	00000000

Optional Remote Transmitter with Close, Open, and Stop Buttons

0000000

Each

000000

Outlet-Box-Mount Key Switches

Reset fire panels, or open electromagnetic locks, electric strikes, and automatic door openers. These switches require a key to turn circuits on or off, limiting access and preventing accidental activation. The lock is not included; use a 1 1/4" long mortise lock with a standard cam.

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

							Wire Leads
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Max. Voltage	Dia.	No. of	Lg.	Includes			Each
2 Position
With Wire Leads
2	1 Off (Normally Open) or 1 On (Normally Closed)	Springs Back (Momentary)	3	SPDT	250V AC	1 3/16"	3	5"	Screwdriver, Tamper-Resistant Screws	3 A @ 125 V AC, 1 A @ 250 V AC	00000000	0000000
2	1 Off (Normally Open) or 1 On (Normally Closed)	Stays Switched (Maintained)	3	SPDT	250V AC	1 3/16"	3	5"	Screwdriver, Tamper-Resistant Screws	3 A @ 125 V AC, 1 A @ 250 V AC	00000000	000000