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 TerminalsDimensionsSamplesCompare
Catalog #HousingMounting MethodInput TerminalsDimensionsSamplesCompare
4099 Impact-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)Order
40151 2 ScrewOrder
40100 2 ScrewOrder
40151-03 Order
40151-BX 2 ScrewOrder
40212 Lightweight Molded Plastic Housing with Negative Ground TerminalMates to Littelfuse 3032 or 3029 Delphi (Packard) 12033871.Three 1/4in (6.4mm) blades0.93 H x 1.185 W x 2.005 L in. (23.66 x 30.3 x 50.4 mm)Order
40212-BX Lightweight 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)Order
4099-10 Order
4099-11 Order
4099-BP Impact-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)Order
4099-BX Impact-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)Order
4112-RC-BP Plated 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)Order
4112-RC000 Plated Steel.6875' (17.46mm) Diameter .53125' (12.88mm) Long Mounting StemTwo Screw #8-32Order
4112-RC000-BX Plated 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)Order
4112-RC017 Order
4124-RD000 Order
4124-RD000-BX Order
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 No 09/18/2019 No 09/18/2019 CoC_RoHS10_4099 Yes
09/18/2019
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