sepam 1000+ type S20 S40 S41 S42 S81 S80, M20 M41 M42, T20 T40 T42 T81, G88, B22 B21

Sepam series 20, 40.80 Suitable for common applications, Sepam series 20 offers simple solutions based on current or voltage metering. b protection of substation incomers and feeders against phase-to-phase and phase-to-earth short-circuits v 16 IDMT tripping curves v adjustable timer hold to detect recurrent faults v switching of groups of settings to adapt to changes in the network configuration b protection of overhead lines with built-in recloser function b protection of transformers against overloads, with ambient temperaturecompensated RMS thermal overload protection with 2 groups of settings for different ventilation operating rates b protection of motors v against overloads, with ambient temperature-compensated RMS thermal overload protection with a cold tripping curve that can be adjusted to fit motor characteristics v against internal faults and load-related faults v with motor starting condition monitoring and machine operation assistance. The Sepam series 20 B21 and B22 voltage units are suitable for the following situations: b monitoring of network voltage and frequency b loss of mains detection by rate of change of frequency protection for installations with local power generation.