Sales Miss Europe: 159-7414-3465 Online Q: 1922601218 national toll-free hotline: 400-086-8955 Box 1 negative pressure water equipment, box-type negative pressure water equipment widely used, such as energy-saving industrial control, life drainage , fire, spray, pressurized, air-conditioning cooling cycle, industrial PLC control pumps, sewage discharge has a corresponding special model specifications. Our pump control cabinet in excellent quality, beautiful appearance, durable, easy to install and operate, the various types of pumps safe and reliable partner. 2, box-type negative pressure water equipment basic technical parameters control the motor power: 0.18-400KW; control voltage: 380V; control of motor units: Units 1-5; 3, box-type negative pressure water equipment features: (1) Box negative pressure water equipment power switching and protection box has no negative pressure water equipment Molded Case Circuit Breakers and connected to a power line, in addition to the completion of the making and breaking of circuits, can short circuit and the inverter, the overload protection. And cut off the power during maintenance. (2) Box no negative pressure water equipment start and stop control box no negative pressure water equipment set frequency start, frequency stop buttons for controlling the inverter device operation, easy on-site operation. (3) Box no negative pressure water equipment frequency (speed) adjust negative pressure water equipment box set frequency adjustment potentiometer, you can easily manually adjust the output frequency of the inverter to control the motor speed (4) Box negative pressure water equipment meter display box no negative pressure water equipment set voltmeter, ammeter, and a variety of lights, such as power indicator, alarm indicator, operation indicator, frequency instructions to realize the inverter input voltage, output current, output frequency and monitor operating conditions. (5) Box no negative pressure water equipment spare frequency switching user selectable frequency switching of spare frequency counters, when the drive fails, the motor control loop by automatically switches to power-frequency power (this mode can be chosen manually / automatic, the frequency is greater than 15KW starter soft starter can be selected to achieve) (6) negative pressure water equipment box variety of control functions can be set to a variety of controls and indicators, such as being in the frequency counter board according to system conditions Forward, reverse, motor growth, the motor decelerates, inching forward, inching reverse, manual / automatic emergency stop, frequency / frequency, PLC control, touch screen and so on. (7) Box no negative pressure water equipment installation of peripheral devices can be installed in the inverter cabinet AC input reactor, output reactor, DC reactor and EMI filters, brake unit, braking resistor, contact needs based on conditions , relays, thermal relays, programmable logic controller (PLC), a programmable terminal (GOT), meter, cooling fan. (8) Box no negative pressure water equipment safety will be installed in the frequency inverter cabinet can reduce environmental pollution, reduce the risk of electric shock, play better protection. (9) Box no negative pressure water equipment tidy install the inverter in the inverter cabinet and other low voltage distribution cabinet of the same size, and color, and distribution facilities to maintain coordination and control devices, neat and beautiful. Sales Miss Europe: 159-7414-3465 Online Q: 1922601218 national toll-free hotline: 400-086-8955