Buy Relay of tension DPF-4 (CP-730) three-phase microprocessor
Relay of tension DPF-4 (CP-730) three-phase microprocessor

Relay of tension DPF-4 (CP-730) three-phase microprocessor

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Ukraine, Odessa
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Technical characteristics
  • BrandЕлектросвіт
  • Country of manufactureUkraine
  • Voltage50-450 V
Description
Appointment: the relay of tension DPF-4 is intended for control of level of tension in networks and protection of electric devices against increase, dangerous to them, and decrease in level of tension out of the set limits. It is adapted for installation on an assembly lath in electroboards.

Remark: the relay of tension DPF-4 can maintain growth of tension in a network to 450 V and short-term growth to 550 V that provides reliable protection of loading even at increase of level of tension in a network much. Change of sequence of phases or an otgoraniye of "zero" (for three-phase) will also not become the reason of failure of these models of the relay of tension.

Technical characteristics:
supply voltage 3 x (50 - 450 V ~)
maximum current of loading 10 A
groups of output contacts 1 switching
delay of operation of the lower threshold of U1 1,5 with
delay of operation of the top threshold of U2 0,1 with
tension of the lower threshold adjustable 150-210 V
tension of the top threshold adjustable 220-260 V
power consumption 1,7 W
accession of wires clips screw 4 mm2
endurance of contacts 105 inclusions
range of working temperatures from -25 °C to +50 °C
degree of protection IP40
overall dimensions 3 modules of S type (52,5 mm)
installation of the device on a DIN lath of 35 mm
On a case of unstable tension in a network and frequent changes of its level out of the set limits (not less than 10 times within 1 min.), DPF-3 and DPF-4 are blocked for the period of 10 min. It interferes with frequent cyclic inclusion and switching off of the connected devices.
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Relay of tension DPF-4 (CP-730) three-phase microprocessor
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