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Detailed information for: OXB1250E3S3QT

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Data Sheet
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General Information

  • Extended Product Type:
  • Product ID:
  • EAN:
  • Catalog Description:
  • Long Description:
    The all-new TruONE is the world’s first true purpose-built automatic transfer switch, engineered to incorporate switch and controller in one seamless unit.
    Performance tested beyond standard requirements, TruONE stands ready to ensure the steady delivery of critical power at all times.
    Its self-contained design reduces the number of wires and connections, which speeds installation and minimizes the potential for connection failures to ensure best-in-class reliability.
    Its predictive maintenance and modular components reduce downtime and service costs. And its advanced connectivity is ready for the future.
    Every TruONE features a wide voltage range from 200 to 480 VAC (with +/-20% tolerance), reducing the need to stock multiple SKUs, reducing inventory and saving space in the warehouse.
    Main characteristics of this particular TruONE type:
    Open style ATS, delayed transition type I-O-II operation, Level 3 controller (LCD)

Circular Value


  • Minimum Order Quantity:
    1 piece
  • Customs Tariff Number:
  • Country of Origin:
    Finland (FI)


  • Product Net Width:
    712 mm
    28.03 in
  • Product Net Height:
    359 mm
    14.13 in
  • Product Net Depth / Length:
    212 mm
    8.35 in
  • Product Net Weight:
    37.11 kg
    81.81 lb


  • Rated Operational Current AC-31B (Ie):
    (200 … 415 V AC) 1250 A
  • Conventional Free-air Thermal Current (Ith):
    Θ = 40 °C 1250 A
  • Rated Impulse Withstand Voltage (Uimp):
    12 kV
  • Rated Insulation Voltage (Ui):
    1000 V
  • Rated Operational Voltage:
    Main Circuit 200 ... 480 V AC
  • Rated Frequency (f):
    Main Circuit 50-60 Hz
  • Rated Short-time Withstand Current Low Voltage (Icw):
    for 0.1 s 65 kiloampere rms
  • Power Loss:
    at Rated Operating Conditions per Pole 26 W
  • Pollution Degree:
  • Handle Type:
    Direct mounted handle
  • Fourth Pole Position:
    Left and Right Side
  • Fourth Pole Type:
    Switched - Simultaneous Function
  • Position of Line Terminals:
    Supplies on Top - Load on Bottom
  • Standards:
  • Controller Type:
    Level 3 (LCD)
  • Special Functions:
    Open style
  • Number of Poles:
  • Degree of Protection:
    Front IP20
  • Terminal Type:
  • Transition Type:


  • RoHS Status:
    Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
  • Toxic Substances Control Act - TSCA:

Certificates and Declarations

Container Information

  • Package Level 1 Units:
    box 1 piece
  • Package Level 1 Width:
    590 mm
    23.23 in
  • Package Level 1 Depth / Length:
    790 mm
    31.1 in
  • Package Level 1 Height:
    510 mm
    20.08 in
  • Package Level 1 Gross Weight:
    57.11 kg
    125.91 lb
  • Package Level 1 EAN:


  • ETIM 7:
    EC000216 - Switch disconnector
  • ETIM 8:
    EC000216 - Switch disconnector
  • ETIM 9:
    EC000216 - Switch disconnector (low voltage)
  • eClass:
    V11.1 : 27371403
  • WEEE Category:
    4. Large Equipment (Any External Dimension More Than 50 cm)
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