Emerson STS2 manual Power to Protect Your Critical Operations, Reliability

The Power to Protect YourCritical Operations

For maximum availability applications, the Liebert Static Transfer Switch2 (STS2) provides an automatic, seamless transfer between your critical load and the outputs of two independent UPS systems in a dual-bus power configuration. If the primary UPS should fail, the switch will automatically transfer the loads to the alternate UPS.

Liebert is the market leader in dual-bus power systems, building the world’s most reliable UPS and Static Transfer Switch products. Liebert STS2 further extends our market leadership with design benefits unmatched by competitive products.

Standard Features Of The

Liebert STS2 Provide Greater

Overall Protection

Reliability:

100% rated, fuseless design.

Hot-swappable circuit breakers.

Flash memory enables firmware updates while supporting critical load.

Rack-out control/power assembly on units up to 600A to allow maintenance, service or full replacement without disrupting the critical load.

Flexibility:

Internal CANBUS protocol: high-bandwidth communication between system components via twisted-pair cables. Options can be added as simple network nodes.

Dual-lug installation bus with pem nuts for single-hand installation and “hot” torque service.

Low Total Cost Of Ownership:

Conservative design margins and excellent overload capacity.

UL listed.

Color Touch-Screen Interface

The color touch-screen LCD interface allows you to quickly check the status of the unit and identify problems. The controls of the Liebert STS2 are intuitive and simple.

The color LCD monitor is divided into three segments. In addition to a system mimic diagram, there is a Status/Alarm panel and a section dedicated to operator instructions and menus. The screen allows you to configure the unit, including the control of the preferred source, auto/manual retransfer selection, alarm notification and other system setpoints. You benefit from improved operator effectiveness, reduced training time, and less chance of operator error.

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