LCI-2 400V - three-phase pressure switch with nipple
LCI-2 by IBO is a mechanical pressure switch for three-phase 400 V pumps. It starts the pump when the water pressure drops to the set value and stops it when the upper threshold is reached. This is a solution for installations in which a more powerful pump powered by a three-phase network operates.
For whom
- Installers and electricians - LCI-2 supports 400 V three-phase motors, so it is suitable where ordinary single-phase pressure switches are not enough.
- Owners of farms with a three-phase pump - the switch takes over the control of the more powerful pump in the hydrophore network.
- Users of hydrophore sets - the device cooperates with the pump and tank, automating pressure maintenance.
- Installations operating at higher pressure - the setting range reaches 8 bar.
Application
LCI-2 is used in water installations with a three-phase pump and a hydrophore tank, both for surface and submersible pumps. The switch turns on the pump when the pressure drops and cuts it off when the system is filled, so water is available without manual operation of the pump. If necessary, it can also control a single-phase pump.
The device reads the pressure from the pipeline to which it is connected. In a three-phase hydrophore network, the LCI-2 400 V pressure switch ensures that the pump operates only within the designated pressure range.
Features of the LCI-2 circuit breaker
LCI-2 operates on two thresholds: the pressure at which the pump starts and the pressure at which it stops. By default, these are 2 bar and 4 bar, and both values are changed with two screws - the larger one is responsible for the switch-off threshold, the smaller one is for the switch-on threshold. The adjustment range is 2-8 bar, where the pump should start at at least 1 bar and the cut-off should not exceed 6 bar. There must be a minimum difference of 1 bar between one threshold and the other, otherwise the pump would turn on too often.
What distinguishes LCI-2 from other switches in this group is the support for three-phase 400 V power supply. The IP44 protection class housing protects the mechanism against splashes, which is important in utility rooms where unpredictable conditions may occur. The maximum current with which the device can operate is up to 16 A, and it is connected to the installation with a ¼" thread.
- Brand: IBO
- Type: three-phase mechanical pressure switch
- Power supply: 3~400V, 50Hz
- Pressure range: 2–8 bar
- Maximum current: 16A
- Degree of protection: IP44
- Minimum threshold difference: 1 bar
- Connection: ¼" / ½ GW / GZ
IBO – 24 months (2 years) manufacturer's warranty.
Dambat – a trusted manufacturer of pumps and hydrotechnical equipment with quality certificates.
Frequently asked questions (FAQ) – LCI-2 circuit breaker
What is the LCI-2 pressure switch used for?
LCI-2 is a mechanical pressure switch for three-phase pumps. It turns the pump on and off depending on the water pressure, thanks to which the hydrophore installation works automatically, without manually starting the pump.
Why is LCI-2 suitable for three-phase pumps?
LCI-2 switches a three-phase 400 V power supply circuit, which ordinary single-phase pressure switches cannot do. This allows you to control more powerful pumps used where the water demand is greater. The device supports an operating current of up to 16 A.
Can LCI-2 be connected to a single-phase pump?
Yes, LCI-2 can also control a single-phase pump. This arrangement uses a dedicated method of attaching using clamps. However, the basic purpose of the device is three-phase installations.
How to set the working pressure in LCI-2?
There are two screws for this purpose: the larger one sets the turn-off pressure, the smaller one sets the turn-on pressure. Tightening increases the pressure, loosening lowers it. You must maintain at least 1 bar difference between the lower and upper threshold.
What pressure range does the LCI-2 support?
The settings are in the range of 2-8 bar, factory set to 2 bar for switching on and 4 bar for switching off. In practice, the pump should start at a minimum of 1 bar, and the cut-off should not exceed 6 bar.
Where to buy the LCI-2 circuit breaker?
As a manufacturer, we do not sell directly. The IBO LCI-2 switch can be purchased from our trading partners, installation wholesalers and authorized online distributors. The full range of switches and controllers can be found in the category drivers.
What is the warranty for the LCI-2 circuit breaker?
IBO – 24 months (2 years) manufacturer's warranty.
