Microstrobes | McMaster-Carr

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Signal Light with Audible Alarm

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NEC Class I Division 2 Groups A, B, C, D

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27 Products

About Sound Levels

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

About Relative Visibility of Signal Lights

Pipe-Mount Narrow-Dome Strobe Lights

Lights meet NEMA 4X for protection from corrosion and washdowns.

Light intensity is measured in candlepower (cp), which indicates how bright a light appears at a distance. Common examples include a car’s taillights (50 cp), traffic signals (600 cp), headlights (15,000 cp), high beams (50,000 cp), and police car searchlights (150,000 cp).

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

Lights															Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Pipe Size	Thread Type	Gender	Material	Environmental Rating	No. of Wire Leads	Wire Lead Lg.	Choose a Light Color		Each		Each
Xenon
120V AC	0.04	50	5"	3"	1/2	NPT	Female	Plastic	NEMA 4X	2	12"	Amber, Blue, Green, Red, White	0000000	000000	0000000	000000
12-80V DC	0.4	50	5"	3"	1/2	NPT	Female	Plastic	NEMA 4X	2	12"	Amber, Blue, Green, Red, White	0000000	000000	0000000	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Pipe-Mount Low-Profile Dome Strobe Lights

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

Lights															Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Pipe Size	Thread Type	Gender	Material	Environment	No. of Wire Leads	Wire Lead Lg.	Choose a Light Color		Each		Each
Xenon
120V AC	0.06	50	2 3/4"	4.42"	1/2	NPT	Female	Plastic	Outdoor	2	10"	Amber, Blue, Red, White	00000000	000000	00000000	000000
12V DC	0.35	50	2 3/4"	4.42"	1/2	NPT	Female	Plastic	Outdoor	2	10"	Amber, Blue, Red, White	00000000	00000	00000000	00000
24V DC	0.18	50	2 3/4"	4.42"	1/2	NPT	Female	Plastic	Outdoor	2	10"	Amber, Blue, Red, White	00000000	00000	00000000	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Red, White	00000000	000000

Pipe-Mount Narrow-Dome Hazardous Location Strobe Lights

These lights withstand harsh environments where fuels, solvents, acetylene, and other hazardous substances may be present. All meet NEMA 4X for protection from corrosion and washdowns.

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

Lights															Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Pipe Size	Thread Type	Gender	Material	No. of Wire Leads	Wire Lead Lg.	Environmental Rating	Choose a Light Color		Each		Each
Xenon
120V AC	0.04	50	5"	3"	1/2	NPT	Female	Plastic	2	12"	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2 NEMA 4X	Amber, Blue, Green, Red, White	0000000	0000000	0000000	000000
12-80V DC	0.4	50	5"	3"	1/2	NPT	Female	Plastic	2	12"	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2 NEMA 4X	Amber, Blue, Green, Red, White	0000000	000000	0000000	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Surface-Mount Narrow-Dome Strobe Lights

Lights meet NEMA 4X for protection from corrosion and washdowns.

Use the pipe-mount bracket (sold separately) to attach the light to a pipe. It comes with two U-bolts for wrapping around pipes up to 3" in diameter.

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

Lights															Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Material	Fasteners Included	No. of Mounting Holes	Mounting Hole Dia.	Environmental Rating	No. of Wire Leads	Wire Lead Lg.	Choose a Light Color		Each		Each
Xenon
12-80V DC	0.4	50	5"	3"	Plastic	No	2	1/4"	NEMA 4X	2	12"	Amber, Blue, Green, Red, White	0000000	000000	0000000	000000

Lens Guard	0000000	Each	000000
Pipe-Mount Bracket	0000000	Each	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Surface-Mount Rectangular Strobe Lights

Lights meet NEMA 4X for protection from corrosion and washdowns.

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

Lights														Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Wd.	Dp.	Material	Lens Material	Electrical Connection	Environmental Rating	Fasteners Included	Choose a Light Color		Each		Each
Xenon
120V AC	0.06	30	2 5/8"	5 1/8"	2 3/8"	Zinc	Plastic	Screw Terminals	NEMA 4X	Yes	Amber, Blue, Green, Red, White	0000000	0000000	0000000	000000
12V DC	0.18	30	2 5/8"	5 1/8"	2 3/8"	Zinc	Plastic	Screw Terminals	NEMA 4X	Yes	Amber, Blue, Green, Red, White	0000000	000000	0000000	00000
24V DC	0.08	30	2 5/8"	5 1/8"	2 3/8"	Zinc	Plastic	Screw Terminals	NEMA 4X	Yes	Amber, Blue, Green, Red, White	0000000	000000	0000000	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Surface-Mount Strobe Lights with Two-Prong Plug

Lights meet NEMA 4X for protection from corrosion and washdowns.

Use the pipe-mount bracket (sold separately) to attach the light to a pipe. It comes with two U-bolts for wrapping around pipes up to 3" in diameter.

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

Lights														Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Material	Fasteners Included	No. of Mounting Holes	Mounting Hole Dia.	Environmental Rating	Cord Lg., ft.	Choose a Light Color		Each		Each
Xenon
120V AC	0.04	50	5"	3"	Plastic	No	2	1/4"	NEMA 4X	6	Amber, Blue, Green, Red, White	0000000	000000	0000000	000000

Lens Guard	0000000	Each	000000
Pipe-Mount Bracket	0000000	Each	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Strobe Lights for Light Bulb Sockets

Screw into a standard medium-base light socket. Lights meet NEMA 4X for protection from corrosion and washdowns.

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

Lights											Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Material	Environmental Rating	Base Dia.	Choose a Light Color		Each		Each
Xenon
120V AC	0.04	50	5"	3"	Plastic	NEMA 4X	1 1/16"	Amber, Blue, Green, Red, White	0000000	000000	0000000	000000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Narrow-Dome Strobe Lights with Vehicle Plug

Plug these into a standard 12-volt vehicle receptacle and mount using the magnetic base. Lights meet NEMA 4X for protection from corrosion and washdowns.

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

Lights											Replacement Bulbs
Voltage	Current, A	Light Intensity, cp	Ht.	Dia.	Material	Environmental Rating	Cord Lg., ft.	Choose a Light Color		Each		Each
Xenon
12-80V DC	0.4	50	5"	3"	Plastic	NEMA 4X	6	Amber, Blue, Green, Red, White	0000000	0000000	0000000	000000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Green, Red, White	0000000	000000

Strobe Lights with Siren

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

With Screw Terminals
Voltage	Current	Volume	Environment	Sound Pattern	Ht.	Wd.	Dp.	Material	Fasteners Included	Choose a Light Color		Each
12V DC	0.67 A @ 12 V DC	81 dBA @ 100 ft. 100 dBA @ 10 ft.	Outdoor	Continuous	7 3/32"	5 3/4"	4 3/8"	Plastic	Yes	Amber, Blue, Red, White	00000000	0000000

Outdoor Outlet Box	00000000	Each	000000
Outlet Box	00000000	Each	0000

Strobe Lights with Buzzer

Lights combine high-visibility strobes with a buzzer that warns workers of hazards even when they’re outside a direct line of sight.

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

Lights
				Base														Replacement Bulbs
Current	Light Intensity, cp	Ht.	Dia.	Lg.	Wd.	Sound Pattern	Volume	Mount Type	Fasteners Included	Material	Lens Material	Environment	No. of Wire Leads	Wire Lead Lg.	Choose a Light Color		Each		Each
Xenon
0.18 A @ 24 V DC	50	4 1/4"	4.42"	4 3/4"	4 3/4"	Pulse	90 dBA @ 1 ft.	Surface	Yes	Aluminum	Plastic	Outdoor	3	8"	Amber, Blue, Red, White	0000000	0000000	00000000	000000
0.35 A @ 12 V DC	50	4 1/4"	4.42"	4 3/4"	4 3/4"	Pulse	90 dBA @ 1 ft.	Surface	Yes	Aluminum	Plastic	Outdoor	3	8"	Amber, Blue, Red, White	0000000	000000	00000000	00000

Replacement Lenses

Choose a Lens Color		Each
Amber, Blue, Red, White	00000000	000000