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  Monitoring relays  (1,017 offers of 5,353,899 product items)

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Omron Dual-Channel Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock Safety Relay, 24V dc, 2 Safety Contacts / 8603770 (3 offers) 
Omron G9SR Configurable Safety Relay. The three models of the Omron G9SR safety relays cover virtually all common control system safety requirements in standalone applications. They feature front-p...
Omron
G9SR-AD201-RC
from £ 143.85*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 3 Phase, SPDT, 183 → 528V ac, DIN Rail / 262126 (1 offer) 
M3U/H3U series three-phase voltage control relays. H3US and M3US relays control three-phase networks: Overvoltage between phases and undervoltage between phases. The H3USN relay controls three-phas...
Crouzet
84873222
from £ 117.068*
per piece
 
 piece
RS PRO IPM3005 Power Quality Analyser, 3000A Max, 600V Max / 1232200 (1 offer) 
Opto-isolated USB lead, PC software on CD, test leads with crocodile clips, software and user manuals, AA alkaline batteries (x2). 3. RS PRO IPM3005 Flexible Power Quality Analyser. RS PRO IPM3005 ...
RS Pro
1232200
£ 442.976*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail / 4633474 (1 offer) 
Operating range quoted is a factor of supply voltage (Un). Voltage Control Relays – EU. The control of AC and DC voltage 0.2V to 60V (EUL) and 10 to 600V (EUH) measurement ranges Selection of over-...
Crouzet
84872030
from £ 111.89*
per piece
 
 piece
Omron G9SR Series Input/Output Module, 2 Inputs, 2 Outputs, 24 V dc, 3PST-NO / 8603777 (1 offer) 
Omron G9SR Configurable Safety Relay. The three models of the Omron G9SR safety relays cover virtually all common control system safety requirements in standalone applications. They feature front-p...
Omron
G9SR-EX031-T90-RC
£ 140.78*
per piece
 
 piece
Finder Monitoring Relay, 1 Phase, DPST, DIN Rail / 7888642 (3 offers) 
72 Series. Special relay for alternating loads. Suitable for applications with pumps, compressors, air conditioning or refrigeration units. 2 independent NO output, 12 A 2 independent control signa...
Finder
72.42.0.024.0000
from £ 42.44*
per piece
 
 piece
RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, Maximum of 500 V, DIN Rail / 1026133 (1 offer) 
RS PRO 16
RS Pro
1026133
from £ 78.062*
per piece
 
 piece
Omron G3NA Series Solid State Relay, 10 A Load, DIN Rail Mount, 240 V ac Load / 7948277 (4 offers) 
Omron Interface Relay ModuleThe Omron interface relay module is an innovative, compact, electromechanical solid-state device equipped with a 5VDC to 10VDC coil voltage rating. This hockey puck styl...
Omron
G3NA-210B-UTU DC5-24
from £ 20.81*
per piece
 
 piece
RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 1026134 (1 offer) 
RS PRO Current Monitoring Relay With SPDT ContactsDesigned for current monitoring, this true RMS (Route Mean Square) multi timer can measure both pure and distorted AC waves. This makes it suitable...
RS Pro
1026134
from £ 78.062*
per piece
 
 piece
Omron Dual-Channel Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock Safety Relay, 24V dc / 8603773 (2 offers) 
Omron G9SR Configurable Safety Relay. The three models of the Omron G9SR safety relays cover virtually all common control system safety requirements in standalone applications. They feature front-p...
Omron
G9SR-BC201-RC
from £ 125.24*
per piece
 
 piece
Schneider Electric Current, Phase Monitoring Relay, 1, 3 Phase, SPDT, DIN Rail / 146086 (2 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM35 BA control relay. Schneider Electric RM35 BA10 measurement and control relay monitors single phase and 3 phase pumps. It controls the ...
Schneider Electric
RM35BA10
from £ 69.71*
per piece
 
 piece
RS PRO IPM3600N Power Quality Analyser, 3-Phase, 999.9A Max, 999.9V Max / 1232244 (1 offer) 
User manual, software on CD Rom, deluxe carrying case, AA 1.5 V battery (x8), AC adapter (110 V > 12 V ; 220 V > 12 V), current clamp transducer (x4, cable length 3 m), crocodiles test leads (blue,...
RS Pro
1232244
£ 1,057.637*
per piece
 
 piece
RS PRO IPM6200 Power Quality Analyser, 3-Phase, 1500A Max, 600V Max / 1232207 (1 offer) 
Opto-isolated USB lead, PC software on CD, test leads with crocodile clips, software and user manuals, AA alkaline batteries (x2). 3. RS Pro IPM 6200 Power Quality Analyser. RS Pro IPM 6200 is a gr...
RS Pro
1232207
£ 673.161*
per piece
 
 piece
Omron G3PE Series Solid State Relay, 15 A Load, DIN Rail Mount, 240 V ac Load / 7948268 (3 offers) 
Omron Interface Relay ModuleThe Omron interface relay module is an innovative, compact, electromechanical solid-state device equipped with a 12VDC to 24VDC coil voltage rating. This solid-state rel...
Omron
G3PE-215B DC12-24
from £ 37.98*
per piece
 
 piece
Schneider Electric Phase Monitoring Relay, 3 Phase, SPDT, 183 → 528V ac, DIN Rail / 146591 (2 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM17 Tx00 Series Three-Phase Network Control Relay. Schneider Electric RM17Tx00 Series multi-function 3 phase supply control relays. Monito...
Schneider Electric
RM17TA00
from £ 56.75*
per piece
 
 piece
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