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LOW-VOLTAGE EQUIPMENT

STATYS static load transfer switches (STS) 16–1800 A

STATYS static transfer systems with a rated current of 16–1800 A provide backup supply to critical loads from two independent sources. The small STATYS XS units of 16–32 A are mounted in a server rack, and the cabinet and built-in STATYS EVO units of 200–1800 A are placed at the incomers of distribution boards in data centres, hospitals and factories.

Rated current
16–1800 A
Versions
STATYS XS (16 and 32 A, rack-mounted), STATYS Rack (32–100 A), STATYS EVO Cabinet and EVO Chassis for building into a board (200–1800 A)
Purpose
backup supply for critical loads
Efficiency
99 %

Technical specifications

Rated current16–1800 A
VersionsSTATYS XS (16 and 32 A, rack-mounted), STATYS Rack (32–100 A), STATYS EVO Cabinet and EVO Chassis for building into a board (200–1800 A)
Purposebackup supply for critical loads
Efficiency99 %
Protection ratingIP20

Specifications are taken from the manufacturer’s technical documentation. Updated .

Description

The load moves to the standby source through thyristor switches, without mechanical contact travel and without an arc. The range consists of four versions: rack-mounted STATYS XS for 16 and 32 A, STATYS Rack for 32–100 A, a separate cabinet STATYS EVO Cabinet and the STATYS EVO Chassis for 200–1800 A. The EVO Chassis is built by the switchgear assembler into the board's own enclosure next to the incoming devices. An efficiency of 99 % means that one hundredth of the passing power is lost as heat, and this is taken into account in the air conditioning calculation. Protection rating IP20 guards live parts against finger contact but not against dust and moisture, so the devices are installed in closed electrical rooms. The inputs are usually fed by two UPS units or a UPS and the mains, and the switch after them removes the single point of failure.

How to choose

The version is determined by the load current. For one equipment rack of 16 or 32 A the STATYS XS is taken, and for a group of racks or a small board up to 100 A the STATYS Rack is suitable. From 200 to 1800 A the choice is between the EVO Cabinet, if the switch stands as a separate cabinet next to the board, and the EVO Chassis, if it is built into a new board. A load between 100 and 200 A is covered by the smallest EVO of 200 A, and then there is a margin for growth.

Request a price and lead time

STATYS static load transfer switches (STS) 16–1800 A. We reply within one business day.

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Or email office@usk.ua or call +38 (044) 339-50-20.

FAQ

What currents are STATYS static switches made for?

The range covers rated currents from 16 to 1800 A. The rack-mounted XS are rated for 16 and 32 A, the Rack for 32–100 A, and the EVO Cabinet and EVO Chassis for 200–1800 A.

What is the efficiency of the STATYS static switch?

The efficiency is 99 %, so losses are one hundredth of the power passing through the device. At 1800 A this is already noticeable heat, which the room ventilation must remove.

Can STATYS be built into a low-voltage board?

Yes, there is the STATYS EVO Chassis for 200–1800 A for this, while the EVO Cabinet is supplied as a separate cabinet.

Why use an STS if the site already has a UPS?

A UPS can itself fail or be taken out for maintenance, and the switch after it will transfer the load to the second source.

Where should STATYS with protection rating IP20 be installed?

In closed dry rooms, that is, server rooms, electrical rooms and equipment rooms. IP20 does not protect against moisture and dust, so in a workshop the switch is put into an additional enclosure.

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