Alarms Series - Universal Alarms and Accessories

External overview image
Roll Over to Zoom
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 TerminalsDimensionsStockSamplesCompare
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)CheckOrder
401512 ScrewCheckOrder
401002 ScrewCheckOrder
40151-03CheckOrder
40151-BX2 ScrewCheckOrder
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)CheckOrder
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)CheckOrder
4099-10CheckOrder
4099-11CheckOrder
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)CheckOrder
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)CheckOrder
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)CheckOrder
4112-RC000Plated Steel.6875' (17.46mm) Diameter .53125' (12.88mm) Long Mounting StemTwo Screw #8-32CheckOrder
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)CheckOrder
4112-RC017CheckOrder
4124-RD000CheckOrder
4124-RD000-BXCheckOrder
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 Yes
09/18/2019
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.