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Phase Monitoring Relays - 83 - On Sale Now! Save up to 9%


On Sale! Up to 9% off on Phase Monitoring Relays at Buditech. Top brands include R&M Hoist/Crane Parts, Siemens, & CROUZET CONTROL TECHNOLOGIES. Hurry! Limited time offers. Offers valid only while supplies last.



PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52564141
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52564141
In Stock
$603.85

mpn: 52564141,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52564141...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570874
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570874
In Stock
$603.85

mpn: 52570874,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570874...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52878318
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52878318
In Stock
$603.85

mpn: 52878318,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52878318...


Siemens 3UG4511-2BN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 320-500 Line Supply Voltage
Siemens 3UG4511-2BN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 320-500 Line Supply Voltage
In Stock
$199.66
$198.90

mpn: 3RF23 20-1DA22, ean: 4011209572546,

The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4622-1AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, 0.05A AC/DC Measuring Range, 0.01A-5A Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24VAC/DC Auxiliary Voltage
Siemens 3UG4622-1AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, 0.05A AC/DC Measuring Range, 0.01A-5A Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24VAC/DC Auxiliary Voltage
In Stock
$135.34

mpn: 3UG4622-1AA30, ean: 0754554930589,

Only two versions from 2 mA to 10 A. Can be variably set to over range, under range or window monitoring. Freely parameterizable delay times and reset switch. Actual value and fault type are permanently displayed. All of the versions have removable t...


CROUZET CONTROL TECHNOLOGIES 84873222 PHASE MONITORING RELAY
CROUZET CONTROL TECHNOLOGIES 84873222 PHASE MONITORING RELAY
In Stock
$142.28
$129.84
You Save: 9%

mpn: 84873222,

4.0 out of 5 stars with 38 reviews
The M3US series DIN-rail mount multi-voltage Phase Monitoring Relay controls on 3-phase networks of overvoltage and undervoltage between phases. Controls its own supply voltage True rms measurement LED status indication Product Information Product Ra...


Siemens 3UG4622-2AW30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, 0.05A AC/DC Measuring Range, 0.01A-5A Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
Siemens 3UG4622-2AW30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, 0.05A AC/DC Measuring Range, 0.01A-5A Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
In Stock
$242.47
$242.28

mpn: 3RF23 90-3BA04, ean: 0754554862958,

The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4641-2CS20 Monitoring Relay, Power Factor and Active Current Monitoring, 22.5mm Width, Spring Loaded Terminal, 0.1-0.99 (cos) Measuring Range For Power Factor, 0.2-10.0A Measuring Range For Active Current, 0.1(cos) Power Factor Hysteresis, 0.1-
Siemens 3UG4641-2CS20 Monitoring Relay, Power Factor and Active Current Monitoring, 22.5mm Width, Spring Loaded Terminal, 0.1-0.99 (cos) Measuring Range For Power Factor, 0.2-10.0A Measuring Range For Active Current, 0.1(cos) Power Factor Hysteresis, 0.1-
In Stock
$269.38

mpn: 3RF23 90-3BA06, ean: 4011209573734,

The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4618-2CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO For Line Faults and 1 W For Phase Sequence Contacts, Off Delay 0-20s Delay Time, 160-690 (90-400 w.r.t. N) Line Supply Voltage
Siemens 3UG4618-2CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO For Line Faults and 1 W For Phase Sequence Contacts, Off Delay 0-20s Delay Time, 160-690 (90-400 w.r.t. N) Line Supply Voltage
In Stock
$180.39

mpn: 3UG4618-2CR20, ean: 0662643783056,

The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4631-2AW30 Monitoring Relay, Single Phase Voltage Monitoring, Cage Clamp Terminal, 1 CO Contacts, 0.1-60VAC/DC Measuring Range, 0.1-30V Hysteresis, 0-20s Delay Time, 24-240VAC/DC Auxiliary Voltage
Siemens 3UG4631-2AW30 Monitoring Relay, Single Phase Voltage Monitoring, Cage Clamp Terminal, 1 CO Contacts, 0.1-60VAC/DC Measuring Range, 0.1-30V Hysteresis, 0-20s Delay Time, 24-240VAC/DC Auxiliary Voltage
In Stock
$117.27
$115.97
You Save: 1%

mpn: 3UG4631-2AW30, ean: 0754554963167,

The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4621-1AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, 2.0mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
Siemens 3UG4621-1AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, 2.0mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
In Stock
$186.29
$183.42
You Save: 2%

mpn: 3UG46211AA30, ean: 0754554932545,

Only two versions from 2 mA to 10 A. Can be variably set to over range, under range or window monitoring. Freely parameterizable delay times and reset switch. Actual value and fault type are permanently displayed. All of the versions have removable t...


Siemens 3UG4641-1CS20 Monitoring Relay, Power Factor and Active Current Monitoring, 22.5mm Width, Screw Terminal, 0.1-0.99 (cos) Measuring Range For Power Factor, 0.2-10.0A Measuring Range For Active Current, 0.1(cos) Power Factor Hysteresis, 0.1-2.0A Act
Siemens 3UG4641-1CS20 Monitoring Relay, Power Factor and Active Current Monitoring, 22.5mm Width, Screw Terminal, 0.1-0.99 (cos) Measuring Range For Power Factor, 0.2-10.0A Measuring Range For Active Current, 0.1(cos) Power Factor Hysteresis, 0.1-2.0A Act
In Stock
$193.03
$192.48

mpn: 3UG4641-1CS20, ean: 0754554937441,

Monitoring Relay, Power Factor and Active Current Monitoring, 22.5mm Width, Screw Terminal, 0.1โ€“0.99 (cos) Measuring Range For Power Factor, 0.2โ€“10.0A Measuring Range For Active Current, 0.1(cos) Power Factor Hysteresis, 0.1โ€“2.0A Active Current...


Siemens 3UG4511-2BQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 160-260 Line Supply Voltage
Siemens 3UG4511-2BQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 160-260 Line Supply Voltage
In Stock
$111.72
$109.78
You Save: 2%

mpn: 3UG4511-2BQ20, ean: 0754554967707,

The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52492714
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52492714
In Stock
$412.05

mpn: 52492714,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52492714...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52341517
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52341517
In Stock
$434.53

mpn: 52341517,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52341517...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52294822
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52294822
In Stock
$281.69

mpn: 52294822,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52294822...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570133
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570133
In Stock
$528.92

mpn: 52570133,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52570133...


PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52420194
PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52420194
In Stock
$504.95

mpn: 52420194,

PHASE MONITORING RELAY, R&M CRANE/HOIST PART NO 52420194...


Siemens 3UG4614-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay 0-20s On and Off Delay Time, 160-690 Line Supply Voltage
Siemens 3UG4614-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay 0-20s On and Off Delay Time, 160-690 Line Supply Voltage
In Stock
$119.47
$117.76
You Save: 1%

mpn: 3UG46141BR20, ean: 0754554929088,

The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4512-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-690 Line Supply Voltage
Siemens 3UG4512-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-690 Line Supply Voltage
In Stock
$123.54

mpn: 3UG4512-1BR20, ean: 0754554931456,

The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...



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