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CF Series Multi Pole AC Contactors

The CFS3-15 and CFS3-30 are multi-pole AC contactors, including a compact 3-pole AC version in the power class up to 600 amps and 3,000 volts for inverter-fed AC drives with higher frequencies.

Their newly developed switching chambers can be universally configured as normally open, normally closed or in combination as changeover contacts. An efficient electronic economy circuit reduces power consumption and heat loss and saves costs.


Type of voltageAC,f ≤ 400 HzAC,f ≤ 400 Hz
Number of contacts, configuration1x / 2x / 3x NO or/and NC1x / 2x / 3x NO or/and NC
Rated operational voltage1500 V3000 V
Rated insulation voltage3000 - 3600 V3000 - 3600 V
Rated impulse withstand voltage12 kV25 kV
Conventional thermal current200 A @ Ta = 70°C300 A @ Ta = 70°C
Rated short-time withstand current4000 A @ 100 ms4000 A @ 100 ms
Auxilliary contacts4x Snap-action switches S870 max. (SPDT)4x Snap-action switches S870 max. (SPDT)
Rated control supply voltageMonostable: 24 / 110 V DCMonostable: 24 / 110 V DC

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