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The boxes are designed:

  • for connection or branching of control cables;
  • to switch from one section of the cable veins to another;
  • for the installation of primary and secondary electrical circuits;
  • for local control of electric drives of shut-off and control valves;
  • for switching power circuits and control circuits of electric drives of shut-off and control valves with external devices (power distribution cabinets and automation devices).

LLC “NPO” Centrotech “designs, designs and manufactures a wide range of connecting and switching boxes for use in the field of nuclear energy and general industry. Our connection boxes of instrumentation, switching boxes of shut-off and control valves are manufactured in accordance with the specifications TU 687226.001.

The boxes are manufactured in safety grade 2, 3, 4 according to NP-001-97 (OPB-88/97).
The number of terminals installed in the instrumentation boxes is selected from the series: 8, 12, 13, 16, 24, 32, 48, 64, 96, 128, 144, 192.
Number of terminals installed in the boxes of shutoff and control valves 13, 24 + 4, 24 + 5, 30 + 4, 30 + 5.

Scheme for drawing up a symbol for the switching box of electric actuators of shut-off and control valves
Switch boxes of electric drives of shut-off and control valves, standard design
ParameterThe name of the connecting box for URAP.687226001Safety class according to NP-001-97
УРАП.687226.182ККЭН(У)-24+4(32)-УХЛ24
УРАП.687226.183ККЭН(У)-24+4(57)-УХЛ24
УРАП.687226.184ККЭН(У)-30+4(32)-УХЛ24
УРАП.687226.185ККЭН(У)-30+4(57)-УХЛ24
УРАП.687226.196ККМН(У)-8-УХЛ24
УРАП.687226.197ККМН(У)-30+4(32)-УХЛ24
УРАП.687226.200ККМН(У)-24+4(32)-УХЛ24
УРАП.687226.210ККЭН(У)-24(24)+5(32)-ОМ14
УРАП.687226.211ККЭН(У)(Г)-24+5(32)-К2-В1(9-13)/2(14-18)/2(20-25)-З2(4-13)/2(7-20,5)/1(20-25)-О14
УРАП.687226.302ККСН(У)-240(32)+60(41)-В1(5-10)/14(6-12)/9(13-18)/8(22-32)-УХЛ23
УРАП.687226.303ККСН(У)-285(41)+5(290)-В4(5-10)/4(10-14)/5(13-18)/10(18-25)/12(22-32)-УХЛ23
УРАП.687226.305ККМН(У)-24-В1(13-18)-Р1.5-УХЛ24
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