Static transfer switch

automaticmanual4-pole

The STS is used as a transfer switch in 3-phase power grids and switches between two power sources (manually or automatically). So it ensures power supply redundancy of connected devices from 100 to 800A. Break-Before-Make-switching * prevents both power sources being connected simultaneously to the consumer. Permanent monitoring of the power sources Break-Before-Make Switching * Automatic switching back Manual switching possible 3- or 4-pole versions available Display: kVA, kW, CF, PF, A, V, Hz. Double maintenance bypass prevents cross connection Redundant cooling with monitored fans Front access to all power components Neutral with 2 x Inom Interfaces: RS 232, RS 485 (MODBUS protocol)