No liability is accepted for any consequence resulting from the use of data contained within this publication. The technical specification of the E2S product range is subject to change without notice due to our policy of continual product development. All dimensions are approximate. E2S is one of the world’s leading independent signalling manufacturers with more than 150 products types and an annual production volume of over 150,000 units. We specialise in the design, development and manufacture of high performance electronic sounders, PA loudspeakers, intelligent voice annunciators and beacons...

< MAIN MENU PRODUCT INDEX CONTACT >3Section index 3.1 High Power Electronic & Motor Driven Sirens A131 Disaster Warning 3.1.1 A141 Disaster Warning 3.1.2 A151 Disaster Warning 3.1.3 3.1 High Power Electronic & Motor Driven Sirens Motor Disaster Warning 3.2.1 Wide Area Signalling Fire and Industrial 3 Wide Area Signalling 1 Hazardous Area Signalling 2 Signalling

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > Features: The A131 has the option of battery back up which means it can deliver it’s safety warning even in the event of a power failure, for up to 30 days in standby and 30 minutes in alarm. The siren is operated by push buttons either on the siren control box or via a remote panel or remote contact from another system which can be linked by hardwire, telephone cables or radio control using telemetry to create a secure communication network. A131 High level audible warning system The A131 is a high output 131dB(A) @ 1 metre electronic siren in...

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > Tone Selection: The A131 audible alarm system has the facility to use either +ve or –ve switching to change the tone to the second and third stages. For –ve switching connect the two pin headers on the master pcb to the –ve and centre pins. For +ve switching connect the pin headers to the +ve and the centre pins. To change to the second stage tone, connect either a -ve or +ve supply line to terminal S2 on the master pcb, depending on which switching mode is being usedwhile maintaining the dc supply to the +ve and –ve control unit input terminals....

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > Features: Using four 100W drivers, the A141 produces a powerful sound with an output in excess of 140 dB and is ideal for warning over distances of between 400m and 700m. The A141 has a lightweight, compact housing designed for easy mounting and is protected to IP65 making it suitable for installation in all locations. Optional extras include: • Custom Tones • Battery Back Up (giving up to 30 minutes of alarm) • Radio Control A141 High level audible warning system The A141 is the latest in a new generation of high output electronic sounders from...

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > 3.1.2 Electronic Sirens Tone Selection: The A141 audible alarm system has the facility to use either +ve or –ve switching to change the tone to the second and third stages. For –ve switching connect the two pin headers on the master pcb to the –ve and centre pins. For +ve switching connect the pin headers to the +ve and the centre pins. To change to the second stage tone, connect either a -ve or +ve supply line to terminal S2 on the master pcb, depending on which switching mode is being used while maintaining the dc supply to the +ve and –ve control...

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > A151 High level audible warning system Because many of the applications are critical alarms, it is essential to know the siren is fully functional at all times. The A151 sirens have built fault diagnostics and use a silent test function to check all the key features of the siren at pre-determined time intervals (usually every 3 hours). A choice of warning tones is available together with the option of pre-recorded or live voice and the same control panels can be used to power 100V line loudspeakers for effective warning inside buildings or areas...

< MAIN MENU SECTION MENU PRODUCT INDEX CONTACT > K-SML15 features: All weather enclosed motor is ideally suited for outdoor use. This siren would be used for audible warning at refineries, oil rigs, in the event of fires and open-cast mining operations. This precision machined unit produces a powerful dual low frequency sound that is ideal for long distance signalling. • Maximum Output: 145 db (A) @ 1m • Tones: Continuous or Wail Tone (when supply is switched on/off) • Frequency: 560Hz • 2.5Km effective range • Voltages: 400V 3 Phase • Motor Power: 7.5kW • Duty: Continuous • Enclosure Material:...