The Danfoss Randall 841 ESU is a superb Electronic Signal Unit and Break Time Sounder controller, capable of producing up to 200 sounder activation times over a weekly period. The Danfoss Randall 841 ESU (Electronic Signal Unit) offers both pulsed and continuous 230V AC output for all Break Time/Class Change applications.

Danfoss’ Range of Time Switch Units contain programmable duration and pulse type, continuous or intermittent. Factory break time systems are another great use for the ESU-8 timer. This unit has eight sets of changeover contacts, offering a common, normally open, and normally closed contact for applications. Starting of shifts, end of shifts, and break times easily controlled.

Product Features

• 7 day operation
• Volt-free contacts
• Battery back-up included
• Cabled with a 1.5mm twin and earth mains cable
• MANUAL position of rocker switch provides continuous ON
• Programming done from the unit’s external keypad with audible feedback
• Danfoss 841 commonly used for school bell ringing and siren sounding applications
• Features programmable sound duration ( 1 to 60 seconds) and pulse type, continuous or intermittent
• Programmable breaktime sounder capable of up to 200 ring times over a 7-day period, with each day set up individually

Please Note: ESU-8 should only be installed by an electrician or competent maintenance person.