Device overview Changeover and control modules for main distribution boards

Solutions for the structure of power supply units in main distribution boards of the safety power supply source and upstream of main distribution boards. Changeover and control modules for use in accordance with IEC 60364-7-710 para. 710.556 “Safety services” / DIN VDE 0100-710: 2002-11 para. 710.537.6.1 “Main distributi- on of the safety power supply source” and para. 710.537.6.2 “Main distribution boards”.

2.0

Examples of application Type Function

Control module for changeover and monitoring module Complete changeover and monitoring module Manual/automatic mode

Nominal voltage/nominal current

Nominal voltage U
n /Nominal frequency f
n Rated operational current I
n

Functions in accordance with IEC 60364-7-710 / DIN VDE 0100-710

Voltage monitoring line 1, line 2 Output of the changeover and monitoring equipmentChange-over 1/2 Functional test with time monitoring Multiple interlocking of the switching elements Changeover main distribution board Cables laid to resist short-circuits and earth faults Control circuit with single fault tolerance

Response values/contacts

Undervoltage Change-over period, setting Response time t
an Response time t
off adjustable in 50 ms steps Return transfer time t
on adjustable in 1 s steps Pause time adjustable in 50 ms steps Common alarm

Switching elements

Mechanically latched contactors Switch disconnector

Additional monitoring functions

Switching state Wire break actuation devices and automatic processes Short-circuit upstream/downstream of the changeover module Power supply for several buildings from a central point (passive system) Auxiliary contacts of the switching elements

General features

Manual/automatic TMX-HA operator panel Indication Interface/protocol Power supply for Terminals, control section Terminals, power supply section 8 Main catalogue part 2 – 05.2008/Hospital engineering