HPS-iSTS-B1 Rack Mounted Static Transfer Switch 32A max

Brand: Static Power

This product is available globally.
  • 1-Phase/2-Pole
  • 16A, 20A & 32A options
  • UPS Eco-Mode compatible
  • Integrated maintenance by-pass (optional)
  • SNMP and Modbus TCP interface
  • IP31 Rating



Single Phase, 2 Pole 1U Rack Mounted Static Transfer Switch

With up to 32A of switching capacity, the iSTS B1 is the perfect Static Transfer Switch – STS – for any small to medium rack-based installation that requires advanced supervisory monitoring and control. This STS features as standard a hot-swappable power module and integrated maintenance bypass enabling continuous power during servicing.

Fully configurable, the LED mimic and graphic OLED display interface enables easy access to user settings and operating variables. All events are recorded in real-time with time synchronisation available via NTP. Remote connectivity is achieved via Ethernet and 20-way header.

Main Features

  • Advanced Automatic Transfer Switch – ATS – functionality
  • Built-in transient voltage protection
  • UPS Eco-Mode compatible
  • Safe asynchronous source transfers
  • Very high MTBF (>800,000 hours)
  • LED mimic decal with graphic OLED interface
  • One touch transfers
  • Visual and sound alarm
  • Integrated web server
  • Remote operation
  • High-level interface – MODBUS, SNMP
  • Email alerts
  • Clock synchronisation with NTP
  • Integrated maintenance bypass with hot socket field-replaceable power module
  • Incoming source isolator switches
  • Redundant fan cooling
  • Fixed wiring to input & output terminals for cable up to 16mm²
  • 5 x voltage-free contacts & remote inputs

Available Options

  • Maintenance bypass expansion with hot socket field-replaceable module
  • Three-phase expansion module
  • Various inlet and outlet configurations (MOQ applies)
  • Wall mountable bracket

Specifications Table

Current rating16A, 20A & 32A
Voltage ratingAll region-specific voltages selectable ±10%
Frequency50Hz and 60Hz, ±10% – Auto detection
Transfer typeBreak-Before-Make zero current transfer by Thyristors / SCR
Synchronous break time<1ms – asynchronous break time up to ¼ cycle
MTBF>800,000 hours
Maintenance bypassCradle with 3-position overlapping, no-break CAM switch
IsolationIncoming sources isolator switches
DisplayBi-colour LED mimic decal with graphic OLED display and information interface
InterfacePreferred supply selection, Source transfer selection and Alarm cancel button
Contact2 Self wetting transfer control inputs
5 Voltage free change-over status indicators, Form C
Input optionsFixed wiring to terminals up to 6mm² cables via glands
Output optionsFixed wiring to terminals up to 6mm² cables via glands
Dimensions H x W x D1RU/19″ – 44 x 483 x 540mm
Temperature0 – 45°C
IP ratingIP31
DetectionDigital: <1ms
Asynchronous break time0ms, 10ms, 50ms or Vt proportional, 0° to 180°
Loading0 – 100% @45°C ambient
Device ratings134ARMS, 1600V, 2kA 1 cycle
Overload @40°C ambient63A for 30s
225A for 0.1s
100A for 1s
2kA for 1 cycle
Fault current setting350% peak with load fault transfer inhibit
Safe install environment20kA, 100A/200A internally fused
Protection100A- BS88/FE100
Power factorNo practical limit
Max THDV10% – Max allowable source voltage distortion
Crest factor3.5 : 1
dV/dt max800V/μs
CoolingRedundant fans
Humidity @40°C ambient5 – 95% non-condensing
Regulatory approvalsIEC 62310-1,2,3 – IEC 60950 – IEC 61000-6-1,2,3,4 – CE – RCM – UL Capable – RoHS
Standard warranty24 months offsite repair or replacement policy

Series Table

Model NumberPhases/PolesMax CurrentMaintenance BypassHot-swappable Power Module
HPS B1 1P2 00161-Phase/2-Pole16ANoNo
HPS B1 1P2 00201-Phase/2-Pole20ANoNo
HPS B1 1P2 00321-Phase/2-Pole32ANoNo
HPS B1s 1P2 00161-Phase/2-Pole16AYesYes
HPS B1s 1P2 00201-Phase/2-Pole20AYesYes
HPS B1s 1P2 00321-Phase/2-Pole32AYesYes

View Datasheet

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