Alarms Series - Universal Alarms and Accessories

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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Littelfuse Alarms and Accessories are designed for universal applications within harsh environments. Their features are designed for ease-of-installation and extended product lifecycle. Equipped with electromechanical buzzers that are designed for long-life, these products are designed to instantly indicate state changes to end users. Products will function with a variety of Cole Hersee and Littelfuse branded switches.

Many uses such as, door ajar warning, bus driver alert, low air pressure, temperature, etc.
Works with any temperature, pressure, door or momentary switch.

Access specifications, certifications, check availability and order parts below

Catalog #HousingMounting MethodInput TerminalsDimensionsCompare
4099Impact-Resistant ABS Resin Case Moisture-Repellent InsulatorThree Mounting Holes (0.283 / 7.18mm Diameter 0.562 /14.28mm Apart)Two screw terminals with lockwashers2.53125 H x 2.5 W x 1.875 L in. (64.3 x 63.2 x 30.9 mm)
401512 Screw
401002 Screw
40151-03
40151-BX2 Screw
40212Lightweight Molded Plastic Housing with Negative Ground TerminalMates to Littelfuse 3032 or 3029 Delphi (Packard) 12033871.Three 1/4 (6.4mm) blades0.93 H x 1.185 W x 2.005 L in. (23.66 x 30.3 x 50.4 mm)
40212-BXLightweight Molded Plastic Housing with Negative Ground TerminalMates to Littelfuse 3032 or 3029 Delphi (Packard) 12033871.Three 1/4in (6.4mm) blades0.93 H x 2.5 W x 2.005 L in. (23.66 x 30.3 x 50.4 mm)
4099-10
4099-11
4099-BPImpact-Resistant ABS Resin Case Moisture-Repellent InsulatorThree Mounting Holes (0.283 / 7.18mm Diameter 0.562 /14.28mm Apart)Two screw terminals with lockwashers2.53125 H x 2.5 W x 1.875 L in. (64.3 x 63.2 x 30.9 mm)
4099-BXImpact-Resistant ABS Resin Case Moisture-Repellent InsulatorThree Mounting Holes (0.283 / 7.18mm Diameter 0.562 /14.28mm Apart)Two screw terminals with lockwashers2.53125 H x 2.5 W x 1.875 L in. (64.3 x 63.2 x 30.9 mm)
4112-RC-BPPlated Steel; Non-Grounded0.6875 (17.46mm) Diameter 0.53125 (12.88mm) Long Mounting StemTwo Screw #8-321.34375 H x 1 W x 1.875 L in. (34.1 x 25.4 x 47.6 mm)
4112-RC000Plated Steel.6875' (17.46mm) Diameter .53125' (12.88mm) Long Mounting StemTwo Screw #8-32
4112-RC000-BXPlated Steel; Non-Grounded0.6875 (17.46mm) Diameter 0.53125 (12.88mm) Long Mounting StemTwo Screw #8-321.34375 H x 1 W x 1.875 L in. (34.1 x 25.4 x 47.6 mm)
4112-RC017
4124-RD000
4124-RD000-BX
40100-01
Obsolete: 2021 -05-28
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
4099 ALARM BUZZER 12V RoHS No 09/18/2019 PbFree No 09/18/2019 CoC_RoHS10_4099 Yes
09/18/2019
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