Power class: 25 A to 75 A
Series: XO

  • normally closed
  • resets automatically
  • with connector cables
  • with epoxy
  • Mylar®-Nomex®
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Thermal protectors SXOThermal protectors SXO

Technical specifications

Nominal switching temperature (NST) in 5 °C 70 °C - 180 °C
Tolerance (standard) ±10 K
Reverse switch temperature (RST) below NST UL ≥ 35 °C
Reverse switch temperature (RST) below NST VDE ≥ 35 °C
Installation height from 6.3 mm
Diameter 17.6 mm
Length of the insulation cap 35.0 mm
Resistance to impregnation suitable
Suitable for installation in protection class I + II
Pressure resistance to the switch housing 600 N
Standard connectionLead wire 1.75 mm² / AWG14
Operational voltage range AC/DCup until 500 V AC / 14 V DC
Rated voltage AC250 V
Rated current AC25,0 A
Max. switching current AC cos ϕ = 1.0/cycles50 A / 10.000
Max. switching current AC cos ϕ = 1.0/cycles75.0 A / 3,000
Rated voltage DC12 V
Max. switching current DC/cycles100.0 A / 10,000
High voltage resistance2.0 kV
Total bounce time< 1 ms
Contact resistance (according to MIL-STD. R5757)≤ 5 mΩ
Vibration resistance at 10 ... 60 Hz100 m/s²


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