Chint Changeover Switches
CHINT NH40-3150/4 SZ 4P 3150A Automatic Changeover Switch
The CHINT NH40-3150/4 SZ is a four-pole, 3150A automatic changeover switch for normal and standby power supplies. It supports automatic and manual transfer and interrupts the load supply during changeover. The photographed unit is marked for 400V AC, AC-33iB duty, with a 220V motor operating mechanism.