Pump intelligent controller. Is a comprehensive variety of protection devices developed new products. Reasonable structure, complete functions, easy to install. Intelligent control function on automatic pumping pool water, the pool filled with water automatically without water. Comprehensive protection features: automatic shutdown at the pool water, pump overload protection, pump protection phase through different connection methods can be widely used in household water supply, piped water, pressurized pipe, pipe constant pressure, fire. Sewage and other industrial uses.
Please read the instructions before use:
1, three-digit voltmeter current real-time display, accuracy 1%
2, automatic level control. Supply and drainage dual.
3, automatic pressure control.
4, free to set the current protection key parameters, power and memory.
5, manual function automatic function free switch.
6, reflecting the time overcurrent protection 15-120 seconds.
7, stall, idle protection.
8, phase protection 1.5-3 seconds, three-phase unbalance protection.
Features:
Rated working voltage: AC380V / 50Hz
Matching motor power: 0.37-15kW
Digital chip control, on the set, lower level and pressure control in one
With automatic and manual two operating modes to choose from
Overload, no-load, phase, ultra-low-voltage protection function
Having a load restart time is adjustable from 1 to 240 minutes
With fault memory function, 5th cause of the malfunction can be easily Buyers
With rust protection, can effectively prevent the motor from rust
Patent AC digital signal detection, more durable probe
Easy installation, simple commissioning
Main Specifications:
Stall Action time: ≤1.5 seconds
No-load protection time: ≤20 seconds
The machine power consumption: static power: 3.5W, dynamic power: 10W
Over flow for the time: 1 second → 1 min (inverse time characteristic: the larger the current the shorter the time)
Level Control: AC digital signal probe detection, signal control distance ≤500 m
Pressure Control: electrical contacts, normally open and normally closed pressure switch, float level switch
   
Products are widely used:
    Products are widely used in deep-well pump, submersible pumps, sewage pumps, pipeline pumps, booster pumps, multistage pumps, centrifugal pumps and the like; used in domestic water supply, underground sewerage, water towers and so on.

Technical Parameters:
Model suitable for power
SM-B1-1500D 0.37-1.5kW
SM-B1-4000D, SM-B1-4000C 1-4kW
SM-B1-7500D, SM-B1-7500C 1-7.5kW
SM-B1-11000D 2.2-11kW
SM-B1-15000D 2.2-15kW
(Note: C expressed without CB, D representation with open space)