ATICS-2-ISO_D00046_04_M_XXEN / 03.2021 13
ATICS-2-63A-ISO
3 System description
3.1 Properties
3.1.1 Product description
The ATICS® automatic transfer switching devices provide all functions for changeover between two in-
dependent power supplies and for monitoring unearthed power supplies. The integration of both the
electronic system and the switching elements in one flat, compact device reduces space requirements
in the switchgear cabinet, minimises the amount of wiring, and reduces the fault probability. For maxi-
mum reliability, ATICS® was designed in strict accordance with the guidelines for functional safety.
Connectors at all connecting wires, in combination with the optional bypass switch, enable the ATICS®
to be tested or replaced during service works without interruption of the power supply. ATICS® consid-
erably enhances the safety level particularly in intensive care units and in operating theatres.
3.1.2 Changeover
• Automatic changeover to the second (redundant) line on loss of the preferred supply or
when the values are outside the permissible voltage range
• Voltage monitoring line 1/2 (input) and line 3 (output)
• Automatic return to the preferred line on voltage recovery
• Monitoring for short circuits at the output or at the distribution board downstream of the
transfer switching device avoids damaging switching operations
• Manual operation, with optional locking by means of a padlock
3.1.3 IT system (unearthed power supply)
• Insulation monitoring
• Load and temperature monitoring IT system/transformer
• Optional insulation fault locator
3.1.4 Messages
• Status indication of operating, warning and alarm messages via the integrated graphic dis-
play and external indication on MK2430/MK800/TM800 or CP9xx alarm indicator and operator
panels
• Automatic reminder for prescribed tests and service intervals
• History memory for events, messages, tests and parameter changes
• Exchange of information with alarm indicator and operator panels via BMS bus
3.1.5 Other functions
• Automatic monitoring of all programme and data storage as well as essential internal compo-
nents and connecting wires for proper functioning
• Programmable relay output (alarm relay)
• Programmable digital input
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