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  Mains monitoring relay  (38,713 offers of 6,230,682 product items)

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SICK Through Beam Photoelectric Sensor, Rectangular Sensor, 350 m Detection Range / 2852433 (1 offer) 
Sensor Style = Rectangular Detection Type = Through Beam Detection Range = 350 m Output Type = Electricaly Isolated, Relay Electrical Connection = 5, 6-Pin, Terminal Connection with PG13 Maximum AC...
Sick
1010994
£ 1,387.53*
per piece
 
 piece
Sensata Crydom Solid State Relay, 5 A Load, DIN Rail Mount, 280 V rms Load, 36 V dc Control / 7401352 (2 offers) 
cUL, IEC, CE, CCC ; RoHS Compliant. Plug In, DIN / PCB Mount - ED Series. The zero voltage switching ED series from Crydom offers a AC output solid state relay series in an industry standard EMR pl...
Sensata Crydom
ED24E5
£ 17.70*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 30 A Load, Screw Fitting, 460 V Load / 2104400 (3 offers) 
The Siemens solid-state contactor device are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching freque...
Siemens
3RF2330-1AA44
£ 59.60*
per piece
 
 piece
Sensata Cynergy3 PCB Mount Reed Relay, 5V dc Coil, SPST, 3500V Max, 2 A Max, 28Ω / 1892354 (1 offer) 
Very high isolation voltages (up to 10kV) are achieved through the use of high vacuum reed switches with either Rhodium or Tungsten contacts and make these relays suitable for high reliability appl...
Sensata / Cynergy3
DAT70505U
£ 39.002*
per piece
 
 piece
SICK Through Beam Photoelectric Sensor, Rectangular Sensor, 40 m Detection Range / 2851690 (1 offer) 
Sensor Style = Rectangular Detection Type = Through Beam Detection Range = 40 m Output Type = Relay, SPDT Electrical Connection = 2 m, 5-wire, Cable Maximum AC Voltage = 240V Maximum DC Voltage = 2...
Sick
1065914
£ 221.877*
per piece
 
 piece
Sensata Crydom Solid State Relay, 5 A Load, DIN Rail Mount, 80 V dc Load, 36 V ac Control / 7401324 (1 offer) 
cUL, IEC, CE, CCC ; RoHS compliant. Plug In, DIN / PCB Mount - ED Series. The DC switching ED series from Crydom offers a DC output solid state relay series in an industry standard EMR plug in pack...
Sensata Crydom
ED10E5
£ 27.79*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 40 A Load, Screw Fitting, 600 V Load / 2164025 (2 offers) 
The Siemens solid-state contactor device are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching freque...
Siemens
3RF2340-1AA45
£ 74.54*
per piece
 
 piece
Sensata Cynergy3 PCB Mount Reed Relay, 5V dc Coil, SPST, 7000V Max, 2 A Max, 28Ω / 1245099 (3 offers) 
UL. The rhodium contact relays have low contact resistance, the tungsten contact relays can switch to higher voltages. Cynergy 3 DA (UL) Series Reed Relay. The UL approved reed relays have very hig...
Sensata / Cynergy3
DAT70510U
£ 51.82*
per piece
 
 piece
SICK WSU/WEU26-3 Series Light Curtain Receiver, 1 Beam(s), 30mm Resolution / 2131823 (1 offer) 
OverviewAt a glanceType 4 (IEC 61496), SIL3 (IEC 61508), PL e (EN ISO 13849) Rugged construction Universal application possibilities Ranges up to 70 m Relay outputs Front screen heatingYour Benefit...
Sick
1048379
£ 477.753*
per piece
 
 piece
Sensata Crydom Solid State Relay, 5 A Load, PCB Mount, 530 V Load, 15 V Control / 394440 (3 offers) 
Derating will limit the maximum load current at temperatures above 25°C. MCX-SIL SSR up to 5Aac. AC or DC controlled versions Ultra high 1-cycle surge capability Surge current peak: 250A Input-Outp...
Sensata Crydom
MCX380D5
£ 31.06*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 460 V Load / 2114924 (2 offers) 
The Siemens has 3RF2 semiconductor relay with 1 phase. This semiconductor relay has zero-point switching. This relay has mounting type screw fixing. This semiconductor relay has screw terminal.IP d...
Siemens
3RF2130-1AA24
£ 46.16*
per piece
 
 piece
Sensata Cynergy3 RSF30 Series Horizontal Polypropylene Float Switch, Float, 1m Cable, NO/NC, 300V ac Max, 300V dc Max / 2281992 (3 offers) 
Cynergy3 Float SwitchThe Cynergy3 RFS30 series float switch is horizontal mount type and has NO/NC output configuration. This float switch has a polyethylene body. This is a higher power, side-entr...
Sensata / Cynergy3
RSF34W100RF
£ 27.687*
per piece
 
 piece
Siemens 1.25 A SIRIUS 3RV Motor Protection Circuit Breaker, 690 V / 2176951 (2 offers) 
The Siemens SIRIUS 3RV2 circuit breaker for motor protection shuts down safe in the event of a short circuit and protection of the loads and system against overload, as well as for safe separation ...
Siemens
3RV2111-0KA10
£ 71.57*
per piece
 
 piece
Sensata Crydom Solid State Relay, 60 A Load, Surface Mount, 48 V dc Load, 32 V dc Control / 7569562 (2 offers) 
UL, CE. Panel Mount - PowerPlus DC. Optically Isolated MOSFET output AC and DC control Easily paralleled for higher-current applications LED status indicator Optional IP20 cover (Manufacturer Part ...
Sensata Crydom
DC60D60C
£ 108.31*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 50 A Load, Chassis Mount, 600 V ac/dc Load / 2313556 (2 offers) 
Maximum Load Current = 50 A Mounting Type = Chassis Mount Maximum Load Voltage = 600 V ac/dc Minimum Load Voltage = 48 V ac/dc Switching Type = Zero Point Switching Minimum Load Current = 500 mA Se...
Siemens
3RF2255-1AC35
£ 147.58*
per piece
 
 piece
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