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Pump motor protection
TPM5 type

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Motor protection with 3 functions in the same relay:
  • 1) Overcurrent (from 1 to19,2 A) : detection by current sensor.
  • 2) Under-current (from 1 to19,2 A) : detection by current sensor.
  • 3) Detection of loss/asymmetry/phase sequence: motor protection: three phase or single phase.

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Trip curve.
Application for water shortage detection (without electrodes) on pumps through detection of a minimum intensity.
Delay for tripping: 7 s over-current / 4 s under-current.
Delay for automatic reset for under-load, can be selected and adjusted.
Push-button for manual reset.
LED display, 3 numbers:
  • measured intensity.
  • tripping intensity.
  • length of time before autmoatic reset.
  • alert for over-current or under-current and setting values.
Values set with potentiometer with direct viewing on screen.
Ambient temperature has no influence on the tripping intensity.
Junction box, 12 Vcc, for remote control (REMOTE) (pressure switch, float, etc).

Protection :
  • Over-current.
  • Under-current.
  • Phase failure.
Power supply voltage : 230 ou 400 Vac depending on model - 50 Hz.
Current consumption: 2 VA.
Over-current setting: from 1 to19,2 A (adjustable).
Under-current setting: from 1 to19,2 A (adjustable).
Precision intensity setting: 0,1 A.
Max. section at terminal: 2,5 mm2.
Tripping time delay:
  • Over-current: 7s.
  • Under-current: 4 s (24 s at start-up).
Delay for re-arming: 0-120 min.
Tightening capacity: 2,5 mm² (screw terminals).
Breaking capacity :
  • 5 A 250 Vac.
  • 5 A 30 Vdc.
Approximate weight: 140 g. (200 g. with connection base unit).
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