SF1

Power class: 1.6 A to 7.5 A
Series: F1

  • normally closed
  • resets automatically
  • with connector cables
  • with or without epoxy
  • Mylar®-Nomex®
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Thermal protectors SF1Thermal protectors SF1

Technical specifications

Nominal switching temperature (NST) in 5 °C 70 °C - 180 °C
Tolerance (standard) ±2.5 K / ±5 K
Reverse switch temperature (RST) below NST UL ≥ 35° C (≤ 80° C NST)#-35 K ± 15 K (≥ 85°C ≤ 180° C NST)
Reverse switch temperature (RST) below NST VDE ≥ 35 °C
Installation height from 3.8 mm
Diameter 9.5 mm
Resistance to impregnation suitable
Length of the insulation cap 14.0 mm
Suitable for installation in protection class I + II
Pressure resistance to the switch housing150 N
Standard connectionLead wire 0.25 mm² / AWG22
Operating voltage range ACup until 500 V AC
Rated voltage AC250 V (VDE) 277 V (UL)
Rated current AC cos ϕ = 1.0/cycles2.5 A / 10,000
Rated current AC cos ϕ = 0.6/cycles1.6 A / 10,000
Max. switching current AC cos ϕ = 1.0/cycles6.3 A / 3,000
High voltage resistance2.0 kV
Total bounce time< 1 ms
Contact resistance (according to MIL-STD. R5757)≤ 50 mΩ
Vibration resistance at 10 ... 60 Hz100 m/s²

Approbation

IECENECVDEULCSACQC
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