Pump dry-running protection, DIN submersible pump controller

Pump control units for submersible and borewell pumps, max current 30 A, 200 V-460 V AC, Tense

Electrodes (liquid level sensors) not included

Pump control and emergency protection devices

This device is designed to control submersible pumps and motors used in boreholes and other containers, and to protect them from adverse conditions such as dry running, overvoltage, and current or voltage imbalance.

Main features

Current range: 1 A-30 A.

Built-in components: current transformers and contactor.

Protection functions:

Overvoltage/undervoltage.

Overcurrent/undercurrent.

Current/voltage imbalance.

Other functions:

Setting of fault times.

Automatic reset of timer and counter.

Supports manual, semi-automatic and automatic reset modes.

Shutdown time multiplier and time setting.

Phase sequence check.

Display of the number of contacts used.

Monitoring of total operating time.

Liquid level sensors: not included, must be ordered separately.

Water level sensors and float sensor must be ordered.

Technical data:

Operating voltage (Un): 100-240 VAC.

50/60 Hz.

Overload current: up to 30 A.

Display: 3-digit LED display with 8 indicators.

Liquid sensitivity: <50 kOhm.

Operating power: <10 VA.

Operating temperature: -20 °C to +55 °C.

Cable diameter: up to 2.5 mm² and 6 mm² for current inputs and outputs.

Contacts: 3 A / 250 V AC (resistive load).

Operating altitude: up to 2000 m.

Mounting: DIN rail.

Device weight: up to 380 g.

Application: