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  • Borri STS Rackmount Static Transfer Switch 16-32 A
  • Borri STS Rackmount Static Transfer Switch 16 A rear view
  • Borri STS Rackmount Static Transfer Switch 32 A rear view
  • Borri ITS maintenance switch

STS 16-32

Rack mount Static Transfer Switches
1-phase 16-32 A

STS 16-32 is the Borri single-phase static transfer switch series designed to offer solutions for the protection of single-phase loads. The product is available in two versions: STS 16 A and STS 32 A that can be easily integrated thanks to a simple and flexible 19’’rack system design.

The STS provides supply redundancy and prevents fault propagation.

  • Full protection of critical power applications such as networks and servers, datacenters and industrial controls and process automation.
  • Added redundancy of power supplies to all critical loads.
  • Fast installation, complete diagnostics and basic configuration capabilities are provided through a user friendly LCD/LED display.
  • Dual redundant power supplies to control boards, for increased availability.
  • Redundant cooling and fan failure monitoring, for reliable operation.
  • Real-time SCR fault sensing, preventing fault propagation.
  • High overload capability, for robust electrical design.
  • ITS maintenance switch, for hot swap maintainability.
  • Compact 19’’ rack system design, for easy integration.

Applications

Tech Specs

STS 16-32 A: Rack mount Static Transfer Switches 1-phase STS 16-32 A

Model STS - 16 STS - 32
Rating (A) 16 32
Dimensions WxDxH (mm) 440x275x88
Weight (kg) 8 9

Input

Connection type Hardwired 5w
Nominal voltage 200/208/220/230/240 Vac 1-phase
Voltage tolerance ± 5% (up to ±20%)
Absolute maximum voltage range 150 Vac to 300 Vac
Frequency and range 50/60 Hz, ± 5% (up to ±20%)
Source harmonic voltage content Unlimited
Transfer phase angle 5° to 20°

Output

Connection type 8 IEC-C13, hardwired 3w Hardwired 3w
Nominal voltage 200/208/220/230/240 Vac 1-phase
Frequency 50/60 Hz
Transfer time 2 to 6 ms
Transfer mode Break before make, transfer inhibit on fault
Load power factor 1 to 0.3
Maximum crest factor 3:1
THD current feedack from load Unlimited
Overload capacity 125% for 1 min, 150% for 30 s, 200% for 5 s
Efficiency (AC/AC) 99%

Connectivity and function extensions

Front panel Graphical LCD display
Remote communication Included: RS-232 ModBus, USB, voltage free relay contacts;
Optional: one slot for SNMP adapter or RS-485 ModBus adapter

System

Protection degree IP 20
Colour RAL 9005
Installation layout Rack mounted
Accessibility Front and rear

Environmental

Operating temperature range -5°C to +40°C
Storage temperature range -10°C to +70°C
Altitude (AMSL) < 1000 m without power reduction, > 1000 m with reduction of 0.5% per 100 m
Audible noise at 1 m (dBA) <60

Standards and Certifications

Quality assurance,
environment, health and safety		 ISO 9001:2015, ISO 14001:2015, BS OHSAS 18001:2007
Safety IEC 60950-1
EMC EN 55022, EN 55024
Transfer voltage limit IEEE Standard 446
Protection degree IEC 60529
Performance IEC/EN 62310-3
Marking CE
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