Bell Alarms | McMaster-Carr

	Voltage Voltage

8V AC

12V AC

24V AC

	Volume Volume

	Signal Type Signal Type

Audible Alarm

Signal Light with Audible
Alarm

	Diameter Diameter

4 1/4"

10"

	Current Current

	Electrical Connection Type Electrical Connection Type

Wire Leads

Screw Terminals

Plug

	Material Material

Steel

Aluminum

	Number of Mounting Holes Number of Mounting Holes

	Sound Pattern Sound Pattern

Continuous

Pulse

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

DFARS Specialty Metals
COTS-Exempt

	Fasteners Included Fasteners Included

Yes

	Specifications Met Specifications Met

	Mounting Hole Diameter Mounting Hole Diameter

	Light Color Light Color

	Amber
	Red

	Bell Diameter Bell Diameter

2 1/2"

	Bell Type Bell Type

Dual Direction

Single Direction

	Height Height

	Mounting Hardware Included Mounting Hardware Included

Yes

	Overall Diameter Overall Diameter

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93 Products

About Sound Levels

To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.

Surface mount using an outlet box. For outdoor bells, the outlet box is included.

Bells

							Mounting Holes
Voltage	Current	Volume	Sound Pattern	Dia.	Material	Fasteners Included	No. of	Dia.	Specifications Met		Each
With 2 Wire Leads
12V AC	0.8 A @ 12 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	0000000
12V AC	0.8 A @ 12 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V AC	0.8 A @ 12 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V AC	0.8 A @ 12 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
240V AC	0.05 A @ 240 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
240V AC	0.05 A @ 240 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
240V AC	0.05 A @ 240 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
240V AC	0.05 A @ 240 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000

Bell Guard	0000000	Each	000000
Outlet Box	00000000	Each	0000

Bells for Outdoor Use

										Mounting Holes
Voltage	Current	Volume	Sound Pattern	Dia.	Material	Conduit Size	Thread Type	Gender	Fasteners Included	No. of	Dia.	Specifications Met		Each
With 2 Wire Leads
12V DC	0.45 A @ 12 V DC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	0000000
12V DC	0.45 A @ 12 V DC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
12V DC	0.45 A @ 12 V DC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.35 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V DC	0.2 A @ 24 V DC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.09 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000

Bell Guard

0000000

Each

000000

Hammer Top Bells

These make great doorbells when used with a push button.

Transformers (sold separetely) cannot be sold to California due to local energy efficiency requirements.

								Mounting Holes
Voltage	Current	Volume	Sound Pattern	Bell Dia.	Ht.	Material	Fasteners Included	No. of	Dia.		Each
With Screw Terminals
6V DC, 8V AC	0.8 A @ 6 V DC, 1 A @ 8 V AC	74 dB @ 10 ft. 54 dB @ 100 ft.	Continuous	6"	10 5/8"	Steel	No	3	1/4"	00000000	000000
6V DC, 8V AC	1 A @ 6 V DC, 1 A @ 8 V AC	78 dB @ 10 ft. 58 dB @ 100 ft.	Continuous	2 1/2"	5 3/4"	Steel	No	2	3/16"	00000000	00000
6V DC, 8V AC	1 A @ 6 V DC, 1 A @ 8 V AC	78 dB @ 10 ft. 58 dB @ 100 ft.	Continuous	4"	6 7/8"	Steel	No	2	3/16"	00000000	00000
24V AC	0.2 A @ 24 V AC	68 dB @ 10 ft. 48 dB @ 100 ft.	Continuous	4"	7 3/8"	Steel	No	3	1/4"	00000000	00000
24V AC	0.2 A @ 24 V AC	74 dB @ 10 ft. 54 dB @ 100 ft.	Continuous	6"	10 5/8"	Steel	No	3	1/4"	00000000	00000

Indoor Push Button	00000000	Each	00000
Transformer	00000000	Each	00000

Vehicle Alert Bells

Just like the bells you hear at service stations, these bells ring when a vehicle drives over the attached hose.

Add extra hose to span up to 300 ft. Use a hose splicer to connect hose lengths. Use a hose anchor to secure the end of the hose.

							Mounting Holes
Voltage	Current	Environment	Sound Pattern	Dia.	Material	Fasteners Included	No. of	Dia.	Includes	Hose ID	Hose Lg., ft.	Power Cord Lg., ft.		Each
With Two-Prong Plug
120V AC	10 A @ 120 V AC	Outdoor	Continuous	6"	Steel	No	3	3/8"	Hose, Power Cord	3/8"	50	6	00000000	0000000

Hose Splicer	00000000	Each	00000
Hose Anchor	00000000	Each	00000
50 ft. of 3/8" ID Hose	00000000	Each	00000

Flashing Lights with Bell

Surface mount using an outlet box. For outdoor bells, the outlet box is included.

Lights

								Mounting Holes
Voltage	Current	Volume	Sound Pattern	Dia.	Material	Light Color	Fasteners Included	No. of	Dia.	Specifications Met		Each
With 2 Wire Leads
24V AC	0.4 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	0000000
24V AC	0.4 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Amber	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Red	No	4	1/4"	C-UL Listed, UL Listed	0000000	000000

Replacement Bulb for 24V AC Lights	0000000	Each	00000
Replacement Bulb for 120V AC Lights	0000000	Each	0000
Outlet Box	00000000	Each	0000
Bell Guard	0000000	Each	00000

Lights for Outdoor Use

											Mounting Holes
Voltage	Current	Volume	Sound Pattern	Dia.	Material	Light Color	Conduit Size	Thread Type	Gender	Fasteners Included	No. of	Dia.	Specifications Met		Each
With 2 Wire Leads
24V AC	0.4 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	0000000
24V AC	0.4 A @ 24 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
24V AC	0.4 A @ 24 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	90 dB @ 10 ft. 70 dB @ 100 ft.	Continuous	4 1/4"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	92 dB @ 10 ft. 72 dB @ 100 ft.	Continuous	6"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	94 dB @ 10 ft. 74 dB @ 100 ft.	Continuous	8"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Amber	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000
120V AC	0.1 A @ 120 V AC	96 dB @ 10 ft. 76 dB @ 100 ft.	Continuous	10"	Steel	Red	1/2	NPT	Female	No	2	5/16"	C-UL Listed, UL Listed	0000000	000000

Replacement Bulb for 24V AC Lights	Each	00000
Bell Guard	Each	00000
Replacement Bulb for 120V AC Lights	Each	0000

Lift Truck Motion Bells

Mounted to Wheel Hub

Alert others to moving vehicles. These bells mount directly to a vehicle's wheel hub, without switches or wires.

Dual-direction bell sounds when the vehicle moves forward and when it moves in reverse.

Single-direction bell sounds when the vehicle moves forward (if mounted on the left side) or when it moves in reverse (if mounted on the right side).

							Mounting Slot
Bell Type	Volume	Volume Control	Overall Dia.	Sound Pattern	Material	No. of Mounting Slots	Lg.	Wd.	Mounting Hardware Included	For Use Outdoors	Includes		Each
Dual Direction	80 dB @ 4 ft.	Fixed	6"	Pulse	Zinc-Plated Steel	2	2"	1/2"	No	Yes	__	0000000	000000
Single Direction	93 dB @ 4 ft.	Fixed	8"	Pulse	Zinc-Plated Steel	__	__	__	Yes	Yes	Mounting Bracket for 4, 8, and 12 Lug Hubs	0000000	00000

Hub Adapter for Single-Direction Bell

For Lug Hub Size		Each
3, 5, 6, 10	0000000	000000

Fire Alarm Bells

Surface mount using an outlet box (sold separately).

With Screw Terminals
Voltage	Current	Volume	Environment	Dia.	Material	Color	Fasteners Included	Specifications Met		Each
120V AC	0.12 A @ 120 V AC	86 dB @ 10 ft.	Outdoor	6"	Aluminum	Red	Yes	UL Listed, C-UL Listed, FM Approved	00000000	000000
120V AC	0.12 A @ 120 V AC	88 dB @ 10 ft.	Outdoor	10"	Aluminum	Red	Yes	UL Listed, C-UL Listed, FM Approved	00000000	000000

Bell Guard	0000000	Each	000000
Outdoor Outlet Box	00000000	Each	00000
Outlet Box	00000000	Each	0000