Load monitors
  • Load monitors

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Произвођач: TELE Haase

Load monitors

Advantages of using load monitors according to the sensors applications:TELE’s load monitors take over the precise and reliable monitoring of the load status and, in the event of the undercutting or exceedance of limit values, either fault indications or execute remedial measures by means or controlling switching processes. This increases the availability as well as the safety of system. Service work is reduced and production downtimes can be prevented. Depending on the application it is possible to choose from multiple current or voltage ranges. Tripping and response times as well as switching thresholds can be set separately. Thermistor monitoring, current drop out monitoring error memory, relay outputs and analog outputs are also optionally available. This facilitates the reporting of faults and abnormal statuses, the logging of measurement data and the initiation of further controlling functions.

Typical applications:

  • No problem due to contamination and any decalibration of the sensors
  • No maintenance and cleaning costs
  • Easy to use, even in charged air or volatile substances
  • Saving in terms of cabling
  • No use of explosion-proof barriers necessary
  • Reduction in error sources
  • Simple retrofitting
  • Trash compactors
  • Crushers
  • Mixers
  • Conveyor belts
  • Ventilation systems
  • Machine tools
  • Bridge and portal cranes
  • Centrifugal and piston pumps

Rated data:

ModelG2CU400V10AL10G2CM400V10AL20G2CM400V2AL20G2BM400V12AL10G2BM400V12AFL10
Monitoring value cosφ cosφ cosφ active power active power
Width 22.5mm 22.5mm 22.5mm 22.5mm 22.5mm
Rated current 10A 10A 2A 12A 12A
Measuring voltage up to 230/400V up to 230/400V up to 230/400V up to 230/400V up to 230/400V
Supply voltage 12-440VAC
via TR2
12-440VAC
via TR2
12-440VAC
via TR2
12-440VAC
via TR2
12-440VAC
via TR2
Underload
Overload - 1 1
Window - 1 1    
Recognition of disconnected consumers
Temperature monitoring - - - - -
Adjustable thresholds
Adjustable histersis - - -
Fault latch
Start-up the suppression
Tripping delay
Reduced tripping time - - - -
Digital handling - - - - -
Reley output 1W 2W 2W 1W 1W
Analog output - - - - -
Fieldbus - - - - -


ModelG2BM480V12AFL10G4BM480V12ATL20G4BM480V12AFTL20G4BM690V16AL20G4BM690V16ATL20
Monitoring value active power active power active power active power active power
Width 22.5mm 45mm 45mm 45mm 45mm
Rated current 12A 12A 12A 16A 16A
Measuring voltage up to 277/480V up to 277/480V up to 277/480V up to 400/690V up to 400/690V
Supply voltage 12-440VAC
via TR2
12-500VAC
via TR3
12-500VAC
via TR3
12-500VAC
via TR3
12-500VAC
via TR3
Underload
Overload
Window  
Recognition of disconnected consumers
Temperature monitoring - -
Adjustable thresholds
Adjustable histersis - - - - -
Fault latch
Tripping delay
Reduced tripping time - - -
Digital handling - - - - -
Reley output 1W 2W 2W 2W 2W
Analog output - - - - -
Fieldbus - - - - -


ModelG4BM480V12ADTL20G4BM480V12ADTL20
24-240V AC/DC
G2BA400V12AG2BA480V12AG4CIGW400V12A
MB-RTU
Monitoring value active power active power active power active power active power
Width 45mm 45mm 22.5mm 22.5mm 45mm
Rated current 12A 12A 12A 12A 12A
Measuring voltage up to 277/480V up to 277/480V up to 230/400V up to 277/480V up to 230/400V
Supply voltage 12-500VAC
via TR3
24-240V AC/DC 24-240V AC/DC 24-240V AC/DC 24V DC
Underload 2 2 2
Overload 2 2 2
Window 2 2 2
Recognition of disconnected consumers - - -
Temperature monitoring - - -
Adjustable thresholds 2 2 2
Adjustable histersis 2 2 2
Fault latch 2 2 2
Tripping delay 2 2 2
Reduced tripping time - - - - -
Digital handling - - -
Reley output 2W 2W - - -
Analog output - - 4..20mA 4..20mA -
Fieldbus - - - - Modbus RTU

1 – Due to cosϕ characteristic maximum detection is only possible within underload range of the motor
2 – Monitoring and controlling function via PLC

Available suppling modules::

Voltage12V AC24V AC42V AC48V AC110V AC127V AC230V AC400V AC440V AC500V AC24V DC
TR2 -
TR3 -


Function description:

 Overload monitoring (O)

If the measuring value exceeds the level set on the MAX trigger, relay switch into OFF position. Return to ON position come immediately after the measuring value drops below the MAX level.  
 Underload monitoring (U)

If the measuring value drops below the level set on the MIN trigger, relay switch into OFF position. Return to ON position come immediately after the measuring value exceeds the MIN level.  
 Window (W)

If the measuring value drops below the level set on the MIN trigger, one of relays switch into OFF position. Return to ON position come immediately after the measuring value exceeds the MIN level. If the measuring value exceeds the level set on the MAX trigger the work cycle is analogical but the second relay is switched.
 Fault latch (+LATCH)

If the error is detected and one of relays is switched into OFF position, they could return into ON position only in case of device reset. It could be done by supply disconnection, button pushing, or Y1 – Y2 disconnection.
 Recognition of disconnected consumer (I=0)

If the current flown cease, the device will detect it and switch relays into chosen by user positions. 
 Temperature monitoring (TEMP)

Through the thermistors resistance monitoring, the device controls machine’s winding temperature. If temperature exceeds admissible value, the device will switch both relays into OFF position.

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