SPAC Intelligent Low Voltage Motor Protection and Measurement Device - SPAC203M Motor Protector
The SPAC203M combination intelligent motor controller is a widely used low-voltage motor protection device in power distribution systems. It integrates many functions such as protection, measurement, control, display, and communication, and uses SOC high-speed microprocessor chips as the core computing unit. It has fast computing speed, high reliability, and strong anti-interference ability. The device has powerful communication functions, with an RS-485 communication port that is optically isolated and supports open communication protocols, making it easy to form an efficient and economical protection and measurement network.
Functional Features

• Measurement function:Measure the three-phase voltage, current, zero sequence current, active and reactive power, power factor, active and reactive energy, frequency, etc. of the motor circuit; Record the total running time of the motor and the instantaneous current value during the current start-up, and display the parameters in real-time
• Analog output function:Having a 4-20mA output port,Real time remote monitoring of any parameter in three-phase three current, line voltage, power, and power factor, and can be switched freely
• Signal acquisition and control function:Equipped with 9 remote signaling inputs and 5 remote control outputs, it achieves remote signaling, remote control, protection, and on-site control functions
• Communication function:Equipped with two independent RS485 communication ports, supporting the internationally popular MODBUS communication protocol, or optional one DB nine pin communication port, supporting independent PROFIBUS communication protocol, to achieve information upload and distribution
• Protection function:Overcurrent interruption, locked rotor protection, overload protection, underload protection, inverse time protection, zero sequence current protection, negative sequence I and II section current protection, overvoltage protection
  Undervoltage protection, phase loss protection, external interlock protection, and current lockout protection, all of which can be flexibly set with different action outlets as needed
• 8 types of current protection, 3 types of voltage protection, and the protection range and action time can be freely set
• Capable of executing with two-level protection
• The relay output definition is flexible and can provide two output modes: level and pulse
• All measured and parameters can be displayed in real-time through the panel LCD display
• System parameters can be set through panel buttons or communication with the upper computer, and have two-level password management permissions
• All key data (system parameters, etc.) can be saved for more than ten years in the event of power failure
• Complete accident recording and self checking functions, friendly human-machine interface