VCX RM-PS1 automatic phase switch

Product detailed description

The automatic phase switch is used in installations that supply single-phase equipment from three-phase 3x230V + N networks to ensure uninterrupted power supply and protect against unwanted voltage changes in the network. The main task is to maintain power to the single-phase receiver when a phase failure occurs or the effective voltage value drops below normal. The main advantage of the device is the small relative voltage measurement error not exceeding 1% even in the case of heavily distorted waveforms. The switch is powered from three phases L1, L2, L3, with phase L1 being the priority phase. The switching voltage threshold (190 VAC), switching time (100-150 ms) and voltage hysteresis (10 VAC) are factory set with no possibility of change by the user. Front panel LEDs visually indicate the parameters of each phase. The external output contact system provides increased resistance to sticking and protects against inter-phase short circuits. The maximum output load must not exceed 16A for AC1 class receivers. The automatic phase selector is designed for mounting in a TH-35 DIN rail enclosure. Technical parameters - Input voltage: 3×400 V + N, 3×230 V + N - Output voltage: 230 V AC - Maximum load: (AC-1)* 16 A L1, L2, L3 - Minimum voltage: 190 V L1, L2, L3 - Maximum voltage: 280 V - Reverse hysteresis: 10V - Voltage measurement error ±1% - Switching time: 1.0÷1.5 s - Output voltage indication: 3x LEDs - Power consumption: 1.6 W - Terminals: 4.0 mm2 - Screw terminals (cable): 2.5 mm2 - Tightening torque of screw terminals (cable): 0.5 Nm - Operating temperature: -25°C to +40°C - Width of 3 modules: 53.5 mm - Mounting: on TH-35 mm rail - Dimensions (W x H x D): 53.5 x 90 x 65 mm - Degree of protection: IP20