Lorentz Pump Accessories

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Lorentz Cable Splice Kits

Kits to permanently join, seal and insulate pump cables.

  • Efficient watertight seal
  • Simple to install
  • High-quality components
  • Kit for wire sizes from 2.5 to 6 mm² or 6 to 10 mm²
Lorentz Cable Splice Kit 2.5-6
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Lorentz Liquid Pressure Sensor

Commonly used to measure the pressure in the delivery pipeline or in a vessel. The pressure signal is used with a suitable LORENTZ pump controller to measure pressure and for pressure switching or constant presure applications.

  • Gauge pressure sensor, pressure measurement relative to atmosphere
  • For measuring pressure in a pipe or vessel
  • Accurate, robust sensor
  • For use with LORENTZ PumpScanner and pumpMANAGER
  • Requires LORENTZ PS2 controller , LORENTZ PSk2 controller or PS Controller equipped with a licensed PS DataModule
  • Care must be taken to position the sensor without turbulent water
  • to ensure accurate measurement
  • G1/4” or G1/2” female threaded filling / air vent hole is required to mount the sensor
  • Sensor type: 2 wire gauge sensor
  • Enclosure class: IP65
  • Sensor housing : stainless steel
  • Connects to LORENTZ PS DataModule
  • 1m (3 ft) cable length
  • Overpressure: 1.5x full scale
  • Output signal : 4-20 mA
  • Voltage : 11-28 VDC
  • Application temp.: -30 to 80°C -22 to 176°F
  • Accuracy class : 0.5% full scale
  • Thread type: G1/2” male (G1/4” with adapter)
  • Meets the requirements for CS
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LZ-LPS1000 Lorentz Liquid Pressure Sensor LPS-1000, 0-10 bar £138.17

Lorentz Sun Sensor Module

The LORENTZ Sun Sensor module and software allow the PS2 controller to accurately estimate irradiation levels and control the pump based on this.

The Sun Sensor function can be configured to offer the pump mechanical protection from repeated stop starts. The Sun Sensor function can also be configured to switch external devices via the PS2 output terminals.

Each module is tested and specially calibrated for use with the PS2 system. The Module also includes a software license to use the features which is accessed via the item serial number.
This Sun Sensor module is included with any PS2-1800 or PS2-4000 controller.
For PS controllers (non PS2) refer to the SunSwitch Datasheet.

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LZ-SUNSENS Lorentz Sun Sensor Module and software £38.09

Lorentz Well Probe

Used for dry run protection in applications with LORENTZ Solar Pump Systems.
The switch can be used to detect the water level within a well. When the water level in the well drops below the level of the well probe, the LORENTZ Controller will stop the pump and indicates
Source Low LED.

  • Reliable dry run protection
  • Simple to install
  • Trouble free operation
  • Corrosion-free
  • Splicing kit included
  • Max. operating temperature 55 °C
  • Enclosure class: IP68
  • Submersion depth: max 50 m
  • Cable length: 1.5m
  • Wire size: 2x 0.75mm² or AWG 19, waterproofed
  • Mounted in vertical position
Lorentz Well Probe
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LZ-1658 Lorentz well probe sensor/dry run sensor V2 £47.13

Lorentz Float Switch

Mechanically activated device for water level detection in applications with LORENTZ Solar Pump Systems.
The switch can be used to detect the water level within a tank. When the water level in the tank reaches the maximum, the LORENTZ Controller will stop the pump and indicates Tank Full LED.

  • Reliable water level detection
  • Simple to install
  • Trouble free operation
  • Not sensitive to rotation
  • Corrosion-free
  • Three wires for normally open and normally closed application
  • Operating temperature: -10°C to 55°C
  • Enclosure class: IP68
  • Cable length: 3m, waterproof
  • Wire size: 3x 1.0mm² or AWG 18
Lorentz Float Switch
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LZ-2840 Lorentz float switch £15.50

Lorentz Pressure Switch

Device for water pressure detection in applications with LORENTZ Solar Pump Systems.
The switch can be used to detect the water level within a tank. When the water level in the tank reaches the maximum, the pressure will increase and the LORENTZ Controller will stop the pump and indicates Tank Full LED.

  • Reliable water pressure detection
  • Simple to install
  • Trouble free operation
  • Corrosion-free
  • Pressure range between 1 and 5 bar
  • 2x cable gland Ø 5-9mm
  • G ¼’’ pipe thread
Lorentz Pressure Switch
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LZ-2066 Lorentz pressure switch 1-5 bar £45.20

Lorentz PS Boost Installation Kit

The PS BOOST Installation Kit can be used for any application where a pressure tank is required. If the pressure increases to the maximum, the LORENTZ PS Controller will stop the pump and indicates Tank Full LED.

Features:

  • Unit consist of the LORENTZ Pressure Switch, a check valve, a pressure gauge, a pressure relief valve, two ball valves and two short pipes
  • Reliable water pressure detection
  • Trouble free operation
  • Corrosion-free

Technical Data:

  • Min. cut-in: 1bar
  • Max. cut-out: 5bar
  • Pressure relief valve: 5.3bar
  • Enclosure class: IP44
  • Inlet: female G1/2”
  • Outlet: male G1/2”

 

Lorentz PS Boost Installation Kit
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LZ-2067 Lorentz PS BOOST Installation Kit £96.85

Lorentz PV Disconnects

These are simple and cost effective units used as part of a professional system installation to allow connection of PV module strings and include appropriate DC rated disconnect switch in an IP54 weatherproof enclosure.

PV Disconnect LZ-440-40-1 & LZ-440-40-6

These have provision for optional lightning surge arrestors which connects through a mounting hole in the disconnect enclosure. (Lightning surge protectors must be ordered separately).

  • Designed for PS150 – PS4000 pump systems.
  • Max. voltage 440 V DC
  • Output cable size 4 - 10mm²

LZ-440-40-1

  • For wiring up one PV-string.
  • Max. current: 40 A
  • String cable size: 4 - 10 mm²

LZ-440-40-6

  • For wiring up to 6 PV-strings in parallel
  • Max. current per string: 10 A
  • Max. total current: 40 A
  • String cable size: 2,5 - 4mm²

Lorentz PV Disconnect LZ-1000-40-5

  • Designed for PSk2 / PSk pump systems
  • Wiring of up to 5 PV-strings in parallel
  • Max. voltage: 1,000 V DC (Voc); 880 V DC (Vmp)
  • Max. current per string: 40 A
  • Max. total current: 40 A
  • Max. no. of strings: 5
  • String cable size: 4 - 10mm²
  • Output cable size: 4 - 16mm²

 

Lorentz PV Disconnect 440-40-1
Lorentz PV Disconnect 1000-40-5 Lorentz PV Disconnect 440-60-6
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LZ-440/40/1 Lorentz PV Disconnect, PS150-PS4000,1 string £110.41
LZ-440/40/6 Lorentz PV Disconnect, PS150-PS4000,6 string £179.49
LZ-1000/40/5 PV Disconnect, PSk2,5 string £366.08

Lorentz Lightning Surge Arrestors

These protect your system from lightning strikes.

Designed for both indoor and outdoor use, the SPD is offered in three different voltages--115, 300 and 600 volts. Protection is achieved by reducing the clamping voltage to a safe level that the system can sustain and that won't damage electronic components.

  • Dimensions (LxWxH): 4.4 × 3.8 × 3.5 inches
  • Weight: 0.45 kg
  • Type 1 Device

Can be fitted in Lorentz LZ-440-40-1 & LZ-440-40-6 PV Disconnects.

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Lorentz Surge Protector

Used to protect Lorentz pump accessories from voltage spikes

  • Reliable surge protection for all Lorentz pump accessories
  • Can be installed inside the PS Controller
  • Max. voltage: 14 VDC
  • Max current 8/20μs: 500 A
  • Enclosure class: IP65
  • Ambient temperature: max. 50°C
  • Wire size: 2x 1.5mm² or AWG 16
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LZ-11683 Lorentz Surge Protector £18.08

Lorentz Power Packs

AC/DC Converter to Supply Lorentz Pump Systems with Backup Power from a Generator or Mains Supply

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Lorentz PV Combiner

The Lorentz PV Combiner LZ-1000-125-4 is designed for PSk pump systems and allows parallel wiring of up to 4 input-strings in parallel.

It can be used to combine two or more PV Disconnect LZ-1000-40-5 units.

  • Enclosure class IP 54
  • Max. voltage 1,000 V DC
  • Max. current per string 125 A
  • Max. total current 125 A
  • Max. no. of strings 4
  • String cable size 10 - 35mm²
  • Output cable size 10 - 35mm²

Can be used with PV Protect LZ-1000-125 to provide lightning surge protection for PV systems.

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