Riello UPS - Model MTS Series - Master Switch Three-phase
From Transfer Systems
Installing a Master Switch static transfer switch provides additional resilience and protection from the disruption that can be caused by the failure of a single power source. The result is the absolute protection of industrial utilities and critical information technology against power supply and load faults.
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Products Details
OPERATING PRINCIPLE
MASTER SWITCH adds a source of redundancy to a critical installation and automatically transfers the connected load between two separate AC power sources. The transfer can be automatic when an input power supply fails outside set tolerances or be manually forced using the front panel keypad or remotely via a communications network.
PROTECTION AGAINST POWER FAILURES
In the event that one of the two power sources does not return to the accepted tolerance values, the MASTER SWITCH will transfer the other loads over to the second power source (this happens instantly if the two sources are in phase).
PROTECTION AGAINST ENVIRONMENTAL DISTURBANCES
Overloads and load faults
In the event of an overload or fault condition, the internal protection system within the STS device can be configured to disconnect power at defined levels. In the extreme situation of a downstream short circuit MASTER SWITCH can disconnect the load to prevent disruption.
Characteristic
Operating principle
Master Switch guarantees a source of redundant power, allowing the load to be switched between to alternative and independent power sources.
Switching can be automatic (when a supply source falls outside of acceptable tolerances) or manually done by an operator from the front panel or remotely.
Protection against power failures
If one of the two power sources falls outside tolerance levels, Master Switch will transfer the consumers to the second power source (switching is instantaneous if the two sources are in phase).
Protection against environmental disturbances
Overloads and load faults
In the event of an overload, the user can decide the level of intervention of the internal protection devices in order to block the power supply. In the extreme case of a downstream short circuit, Master Switch disconnects the load in order to avoid jeopardising the operation of the other loads (i.e. in the event of poor selectivity of the protection devices).
Accessibility
The layout of the moving components and parts is designed to ensure easy frontal access:
- power cable connections that are easily accessed with entry from below;
- boards housed in a dedicated area for rapid diagnosis / replacement;
- all parts subject to monitoring, maintenance and/or replacement.
Advanced communications
Master Switch provides information, measurements, statuses, and alarms via the LCD display. The STS is compatible with PowerShield3 supervision and shutdown software for Windows operating systems 10, 8, 7, Hyper-V, 2019, 2016, 2012, and previous versions, Mac OS X, Linux, VMWare ESXi, Citrix XenServer and other Unix operating systems.
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