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  Monitoring Relays (1,267 items)

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Siemens 3UG46331AL30 electrical relay (3 offers) 
Digital monitoring relay Voltage monitoring, 22.5 mm from 17-275 V AC/DC Overshoot and undershoot Self-powered Spike delay 0.1 to 20 s Hysteresis 0.1 to 150 V 1 CO contact With or without error buf...
Siemens
3UG46331AL30
from £ 85.45*
per piece
Siemens 3UG4622-2AA30 electrical relay Black, Grey (2 offers)
Siemens
3UG4622-2AA30
from £ 93.22*
per piece
Siemens 3UG4621-1AW30 electrical relay Black, Grey (2 offers)
Siemens
3UG4621-1AW30
from £ 96.70*
per piece
Siemens 3UG45131BR20 electrical relay Grey 3 (3 offers) 
Analog monitoring relay Phase failure and sequence Adjustable undervoltage Asymmetry 20% fixed 3 x 160 to 690 V 50 to 60 Hz AC Hysteresis 5% fixed Delay time 0-20 s 2 change-over contacts screw ter...
Siemens
3UG45131BR20
from £ 88.91*
per piece
Siemens 3UG4512-1BR20 electrical relay Black, Grey (2 offers)
Siemens
3UG4512-1BR20
from £ 77.61*
per piece
Siemens 3UG4511-2BQ20 electrical relay Black, Grey (2 offers)
Siemens
3UG45112BQ20
from £ 69.47*
per piece
Siemens 3UG4511-1BP20 electrical relay Black, Grey (3 offers)
Siemens
3UG45111BP20
from £ 70.93*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 700mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 180°C Body material: stainless steel Length: 0.7m Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for ...
LOVATO Electric
31CGL1257
from £ 73.22*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 500mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 100°C Body material: stainless steel Length: 0.5m Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for ...
LOVATO Electric
31SCM50
from £ 50.80*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 500mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 180°C Body material: stainless steel Length: 0.5m Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for ...
LOVATO Electric
31CGL1255
from £ 65.20*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 43mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 100°C Body material: stainless steel Length: 43mm Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for ...
LOVATO Electric
31SCM04
from £ 29.20*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 327mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 180°C Body material: stainless steel Length: 327mm Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for...
LOVATO Electric
31CGL1253
from £ 60.98*
per piece
Sensor for fluid level controllers; Thread: 3/8"; 1m (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 100°C Body material: stainless steel Length: 1m Thread: 3/8" Sensors features: single pole probe Type of control accessories: sensor for fl...
LOVATO Electric
31SCM100
from £ 53.05*
per piece
Sensor for fluid level controllers; Thread: 1/2"; 300mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 70°C Body material: stainless steel Length: 0.3m Thread: 1/2" Sensors features: electrode holder, complete with three stainless steel probe...
LOVATO Electric
31PS31
from £ 46.24*
per piece
Sensor for fluid level controllers; swimming pools; IP67 (2 offers) 
Manufacturer: CARLO GAVAZZI Operating temperature: 0...60°C IP rating: IP67 Body material: polyester Body dimensions: Ø22x75mm Application: swimming pools Cable length: 5m Sensors features: 2 elect...
Carlo Gavazzi
A94-10
from £ 30.89*
per piece
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