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  Phase unbalance relay  (1,143 offers of 5,555,679 product items)

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Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Max. ope...
POLLIN
SZR-2
from £ 115.33*
per piece
 
 piece
Carlo Gavazzi Phase Monitoring Relay, 3 Phase, SPDT / 2565060 (2 offers) 
Monitoring Application = Phase Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Phase Loss, Phase Rotation
Carlo Gavazzi
DPA01CM60
from £ 90.705*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 160 → 300V ac, DIN Rail / 1793527 (2 offers) 
The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine tempera...
Eaton
184761 EMR6-A300-C-1
from £ 187.441*
per piece
 
 piece
Carlo Gavazzi Power Factor Monitoring Relay, 3 Phase, SPDT, DIN Rail / 8577280 (2 offers) 
3 Phase Load Guard Monitoring Relay. Carlo Gavazzi DWB01 ; PWB01 series of precise TRMS power factor monitoring relays deisgned for use with 3 phase systems. Suitable for monitoring the actual load...
Carlo Gavazzi
DWB01CM4810A
from £ 130.88*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; CZF (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of ...
F&F
CZF-B-TRMS
from £ 18.39*
per piece
 
 piece
Carlo Gavazzi Soft Starter, Soft Start, 5.5 kW, 400 V ac, 3 Phase, IP20 / 7850758 (1 offer) 
RSGD - Soft Starter, Three Phase. RSGD is an extremely compact and easy to use 3-phase soft starter for AC induction motors. RSGD controls two phases and is internally bypassed to reduce the heat d...
Carlo Gavazzi
RSGD4025E0VD20
from £ 281.82*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 3 Phase, 300 → 500V ac, DIN Rail / 1793530 (3 offers) 
The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine tempera...
Eaton
184764 EMR6-AW500-D-1
from £ 201.865*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 177 → 275V ac, DIN Rail / 8577690 (2 offers) 
Over Voltage - Over Current Monitoring Relay. Monitoring relays from Carlo Gavazzi can also be used as 1-phase or 3- phase over current monitoring relays when connected with MI or MP current transf...
Carlo Gavazzi
DPC01DM23
from £ 195.14*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 530 → 820V ac, DIN Rail / 1793533 (2 offers) 
The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine tempera...
Eaton
184767 EMR6-AWM820-J-1
from £ 266.887*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 177 → 550V ac, Plug In / 8577680 (3 offers) 
Over Voltage - Over Current Monitoring Relay. Monitoring relays from Carlo Gavazzi can also be used as 1-phase or 3- phase over current monitoring relays when connected with MI or MP current transf...
Carlo Gavazzi
DPA01CM44
from £ 78.64*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 180 → 280V ac, DIN Rail / 1793535 (2 offers) 
Eaton Phase and Voltage Monitoring RelayThe Eaton phase and voltage monitoring relay is an ideal protection device for a wide range of switchgear applications. Monitoring a 3 phase power supply is ...
Eaton
184769 EMR6-AWN280-K-1
from £ 242.822*
per piece
 
 piece
Carlo Gavazzi Soft Starter, Soft Start, 4 kW, 400 V ac, 3 Phase, IP20 / 7850751 (1 offer) 
RSGD - Soft Starter, Three Phase. RSGD is an extremely compact and easy to use 3-phase soft starter for AC induction motors. RSGD controls two phases and is internally bypassed to reduce the heat d...
Carlo Gavazzi
RSGD4016E0VD20
from £ 212.974*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 450 → 720V ac, DIN Rail / 1793532 (2 offers) 
Eaton Phase and Voltage Monitoring RelayThe Eaton phase and voltage monitoring relay is an ideal protection device for a wide range of switchgear applications. Monitoring a 3 phase power supply is ...
Eaton
184766 EMR6-AWM720-I-1
from £ 266.887*
per piece
 
 piece
Carlo Gavazzi Soft Starter, Soft Start, 9 kW, 400 V ac, 3 Phase, IP20 / 7850773 (1 offer) 
RSGD - Soft Starter, Three Phase. RSGD is an extremely compact and easy to use 3-phase soft starter for AC induction motors. RSGD controls two phases and is internally bypassed to reduce the heat d...
Carlo Gavazzi
RSGD4037E0VX20
from £ 387.164*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; HRN-54 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-54N
from £ 35.00*
per piece
 
 piece
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