Andons | McMaster-Carr

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Number of Lights

Bulb Type

Signal Type

Signal Light with Audible Alarm

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Number of Wire Leads

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DFARS Specialty Metals

Current

Volume (Sound) @ Distance

70 dBA to 80 dBA @ 3.3 ft.

74 dBA to 89 dBA @ 10 ft.

79 dBA @ 10 ft.

81 dBA to 99 dBA @ 10 ft.

Wire Lead Length

Current @ Voltage

159 Products

Stack Lights

Push-Button Stack Lights with Two-Prong Plug

Give a signal with the push of a button. These lights have a control box for activating each of the three light modules.

Surface-Mount Stack Lights

Mount the M22 male thread on the bottom of the light through a hole and then secure using the included nut.

Pipe/Surface-Mount Stack Lights

These lights have lenses that snap in and out, so you can easily swap colors or change their position in the stack.

Select-a-Color Stack Lights

Choose from seven colors, including nontraditional colors such as magenta and turquoise, for a custom four-light stack light.

Build-Your-Own Stack Lights

Design a stack light with your choice of light pattern and color. Start with a base, then add up to five modules total—twist and lock them together.

Compact Stack Lights

Mount these lights horizontally or vertically in places where a tower will not fit.

3-in-1 Compact Stack Lights

Use these lights in tight spaces in place of a tower. They emit three colors from a single lens.

Quick-Connect Stack Lights

The quick-connect four-pole M12 plug on these lights makes them easy to hook up and configure.

3-in-1 Compact Quick-Connect Stack Lights

These lights emit three colors from a single lens and can be mounted in tight spaces where a tower will not fit.

Stack Lights with Buzzer

These lights have LED bulbs for years of maintenance-free operation and can be wired as either continuous or flashing.

3-in-1 Compact Stack Lights with Buzzer

Good for tight spaces where a tower of lights won't fit, these emit three colors from a single lens.

Electronic-Alert Stack Lights with Buzzer

Get notified about equipment issues even when you aren't around your machines. These lights connect to your computer via Ethernet, allowing you to set up email alerts when there is a problem with a machine, server, or conveyor.

Programmable Stack Lights with Buzzer

Use a computer to program colors, lighting patterns, and sounds to communicate a variety of status conditions, material levels, and cycle times—these stack lights have 21 colors and 11 sounds.

Signal Lights with Audible Alarm

Flashing Lights with Buzzer

The buzzer warns workers of hazards even when they’re outside a direct line of sight.

Miniature Flashing Lights with Buzzer

Flashing Lights with Bell

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.

Strobe Lights with Siren

Revolving Lights with Bell

The revolving motion of the light makes these more visible than flashing lights.

Fire Alarms with Strobe Light

In addition to an audible signal, these alarms flash a high-intensity strobe to draw attention during fire emergencies.

Telephone Signals with Strobe Light

Provide a signal you can see and hear.