DC Contactor LC1DT32 LC1-DT32 LC1DT32BD 24VDC LC1DT32CD 36VDC LC1DT32DD 96VDC LC1DT32ED 48VDC tesys k reversing contactor 3p 3no dc lp2k1201sd lp2 k1201sd 12a 72v dc coil