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STS 100–800 A
STS 100–800 A

STS 100-800 A: Powerful power supply systems for industrial applications

The STS is used as a transfer switch in 3-phase power networks and switches between two power sources (manual / automatic). This ensures a redundant power supply of 100-800 A for connected devices. The break-before-make switching prevents both power sources from being connected to the consumer at the same time.
data sheet (PDF, 537.68 KB)

Features

  • 24 months warranty
  • break-before-make switching
  • 3- or 4-pole permanent version available
  • Displays: kVA, kW, CF, PF, A, V, Hz
  • Automatic switchback
  • Double maintenance bypass prevents cross connection
  • front access to all performance components
  • Manual switching possible
  • Neutral conductor with 2 x Inom
  • Redundant cooling with monitored fans
  • Interfaces: RS 232, RS 485
  • monitoring the power source

Technical details

STS100 A250 A400 A630 A800 A
InputRated capacity230 VAC LN, 400 VAC ph-ph, other voltages on request
Voltage window± 10% (up to ± 20% on request)
Rated current100 A250 A400 A630 A800 A
nominal frequency / frequency range50/60 Hz, ±2 Hz (up to ±4 Hz on request)
transfer phase angleStandard 10° (5° ÷ 30° on request)
Outputoutput voltageSame as entrance
output frequencySame as input (50/60 Hz)
output currentSame as entrance
Maximum switching time4-15 ms depending on the phase angle
Communication AdvertisingGraphic LCD display, mimic LED panel and keyboard
ConnectionsRS485 (Modbus RTU protocol), standard: 4 changeover contact relays,
optional 6 additional changeover contact relays
mechanischDimensions (HxWxD in mm)1475 x 820 x 8351900 x 1220 x 860
Weight in kg265290305615660
Input connections3-phase hardwired with neutral conductor
connections output3-phase hardwired with neutral conductor
protection / standardsStandardsEN62040-1
EMCEN62040-2
StandardsCE

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