FIELD: frequent-switching apparatuses for power circuits including motor control devices. SUBSTANCE: nonreversible contactor designed for operations at high peak distortions of control signal has groups of power input and output terminals, first (minus) and second (plus) control signal terminals, two resistors, diode, control relay, and two closing relays. EFFECT: enhanced reliability. 3 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
CONTACTOR | 2001 |
|
RU2210151C2 |
AUXILIARY RELAY | 2001 |
|
RU2195061C1 |
DEVICE TO PROTECT ELECTRIC MOTORS | 2001 |
|
RU2218643C2 |
TIME RELAY | 2001 |
|
RU2195735C1 |
POWER SUPPLY CONTROL BOARD | 2008 |
|
RU2406201C2 |
DEVICE FOR SWITCHING CONTACTOR WITH COIL OPERATIONAL CURRENT STABILIZATION | 0 |
|
SU951457A1 |
RELAY | 2001 |
|
RU2195038C1 |
DEVICE FOR PROTECTION OF THREE-PHASE ELECTRIC DEVICE | 1992 |
|
RU2042997C1 |
SYSTEM FOR REMOTE CONTROL OF LOAD ALONG LINE OF FORCE | 0 |
|
SU1669046A1 |
CONTACTOR | 2001 |
|
RU2208870C2 |
Authors
Dates
2003-08-10—Published
2001-10-15—Filed