The limiter power OM-310

The limiter power OM-310 is designed for:

- consumer protection in poor-quality parameters of the electric network;

- full disconnecting the load when the excess power of the basic threshold for a user-specified time;

- partial disconnecting the load when the excess power consumed by the additional threshold on the user-specified time;

- measure and display parameters of a three-phase electric network (RMS values of phase and line voltages; the voltage of the direct, inverse and zero sequence; RMS values of phase currents; consumed by the load is active, reactive and apparent power, cos j);

- notification of emergency situations;

- remote connection and disconnection of the load interface RS-232/RS485 or external switch.

OM-310 is designed to work with load capacity from 2,5 kW to 30 kW when using built-in current transformers and up to 350 kW when using external current transformers, including in networks with isolated neutral.

OM-310 provides the following types of protection of the consumer:

- when poor network voltage (unacceptable voltage fluctuations, broken phases, the violation of rotation and coalescence phase imbalance phase/line voltage);

- in excess of a predetermined maximum current on any phase load;

- on leakage current to ground (OHMS equipped with a differential current transformer).

For each type of protection you can disable and enable automatic reclosing (hereafter AR) load.

OM-310 provides protection for electrical equipment through the control coil of the magnetic starter (contactor).

Link

OM-310 provides:

- manage and passing parameters via interface RS-485 in accordance with Protocol MODBUS;

- manage and passing parameters via interface RS-232.