Switchgear & Power Supply Bosch

The Bosch FLM-420-NAC-S Notification Appliance Circuit Module is an advanced interface designed for the monitoring and activation of notification appliances within Local Security Network (LSN) systems. This module allows for the seamless integration of acoustic and optical signal devices, such as sirens, into fire alarm control panels.Key Features:Rotary switches for automatic or manual address settingControl of notification appliance circuits via polarity reversalSynchronized activation of all connected notification devices10 selectable output signal types via LSNMaintains LSN loop functionality during cable breaks or short circuits with built-in short-circuit isolatorsSurface-mountable housingModule Functions:Activation of notification appliances in alarm conditionsMonitoring of notification appliance circuitsExternal power supply monitoringStatus indication via LEDsUpon activation, all notification devices connected to the FLM-420-NAC-S are synchronized through the LSN module. Control of the notification appliance circuit is achieved through polarity reversal, with the NAC zone status indicated by red and green LEDs. The rotary switch allows for easy selection between automatic and manual addressing, with or without automatic detection.LSN Functions:Built-in isolators ensure continued operation in case of short circuits or line breaksFault information is transmitted to the fire alarm control panel

The Bosch Hydraulic Accumulator 0531 013 700 is a robust and reliable solution designed for various industrial applications. This accumulator is capable of withstanding a maximum pressure of 330 bar and a maximum volume of 41 liters, making it ideal for demanding environments.Key Features:High-pressure bladder contained within a pressure vesselFlexible bladder with gas valveHydraulic connection with check valveApplications:General-purpose machinesFeed tables for sheet-metal working machinesFixtures for press brakesFeed devices for machining centersEach unit is tested according to Bosch Rexroth standards to ensure reliable performance within a temperature range of -40°C to +80°C.

The Bosch Call Station is equipped with a microphone on a flexible stem, a push-to-talk button, and a monitoring loudspeaker, all powered from the Praesideo network. This call station is designed for live announcements and digital message broadcasts to assigned sound zones. It features a microphone on an elastic support, a microphone button, a speaker, and a headphone jack.Key Features:Expandable with up to 16 keyboards (LBB 4432/00 or LBB 4434/00), each with 8 programmable buttonsOptional numeric keypad extension (PRS‑CSNKP)Redundant network connectionPower indicatorStatus/fault indicationPriority level indicationMicrophone capsule supervisionPerfect for:Public address systemsEmergency communicationBroadcasting announcements in various zones

Enhance audio monitoring in conference and public address systems with the Bosch LBB3442/00 single earphone. This lightweight, monaural earphone is designed for comfortable use over extended periods, making it ideal for interpreters, delegates, and listeners in conference settings. The earphone is versatile, allowing for use on either the left or right ear.It features a generous 1.2 m (3.94 ft) cable and is terminated with a 3.5 mm (0.14 in) right-angled, gold-plated mono jack plug, ensuring a secure and reliable connection.With a wide frequency response from 100 Hz to 5 kHz and a 32 ohm impedance, the LBB3442/00 delivers clear and intelligible audio for speech-based applications.