Product range
My Mercateo
Sign in / Register
Basket
 
 
 >  >  >  > Monitoring Relays ---

  Monitoring Relays (30 items)

The following filters help refine the item list according to your needs:
Filter: Price fromto£  Word filter 
Features
☐
Layout
☐
☐
☐
☐
Picture
Order
Current monitoring relay (1 offer) 
Manufacturer: ELKO EP Type of module: current monitoring relay
ELKO EP
PRI-51/2A
from £ 23.94*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; PRI-52; SPDT; IP20 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals ...
ELKO EP
PRI-52
from £ 40.33*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/16A
from £ 22.81*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/5A
from £ 21.58*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/1A
from £ 24.12*
per piece
 
 piece
Frequency monitoring relay; AC voltage frequency; 161÷500VAC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT x2 Power supply: from tested wiring system IP rating: IP20 Supply voltage: 161...500V ...
ELKO EP
HRF-10
from £ 38.78*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC and power value depends on the setting of potentiometer sensitivi...
MIKROBEST
WP-1.5M
from £ 57.81*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC/40mA Supply voltage: 230V AC Body dimensions: 93x97x60mm Related ...
MIKROBEST
WP-1.4
from £ 56.29*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC and power value depends on the setting of potentiometer sensitivi...
MIKROBEST
CPW-3ZC
from £ 33.87*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC/40mA Supply voltage: 230V AC Body dimensions: 48x97x43mm Related ...
MIKROBEST
CPW-2ZC
from £ 29.15*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC and power value depends on the setting of potentiometer sensitivi...
MIKROBEST
CPW-3M
from £ 37.22*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC and power value depends on the setting of potentiometer sensitivi...
MIKROBEST
WP-3M
from £ 36.91*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; relay (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: relay Input 1 properties: electrodes supplied with 12V DC/40mA Supply voltage: 230V AC Body dimensions: 97x48x43mm Related ...
MIKROBEST
WP-2C
from £ 35.24*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads...
ELKO EP
HRH-5/UNI
from £ 24.28*
per piece
 
 piece
Power factor monitoring relay; power factor cosφ; 230VAC; COS-2 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT x2 Current rating: 0.1...16A IP rating: IP20 Supply voltage: 230V AC Leads: screw term...
ELKO EP
COS-2/230V
from £ 65.60*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-1-M
from £ 2.71*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-1-N
from £ 3.07*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-2
from £ 7.06*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-3
from £ 35.16*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: DPDT IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: screw terminals Body ...
ELKO EP
TER-7
from £ 24.91*
per piece
 
 piece
Voltage monitoring relay; 11pin socket; BZF; SPDT; 250VAC/8A (1 offer) 
Manufacturer: MIKROBEST Mounting: 11pin socket Operating temperature: -15...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system Leads: screw terminals Type of...
MIKROBEST
BZF-3K
from £ 17.79*
per piece
 
 piece
Voltage monitoring relay; 230VAC; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -25...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP40 Supply voltage: 230V AC Leads:...
ELKO EP
HRN-43N/230V
from £ 42.60*
per piece
 
 piece
Phoenix Contact 2866064 electrical relay Green (2 offers) 
Monitoring relay for monitoring 3-phase voltages of 280...520 V AC, undervoltage, window, phase sequence, phase failure, asymmetry, wide-range power supply unit, 2 PDTs
Phoenix Contact
2866064
from £ 158.70*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; BZF; SPDT (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Operating temperature: -15...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system Leads: screw terminal...
MIKROBEST
BZF-4K
from £ 16.84*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (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-54
from £ 36.35*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (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 £ 36.64*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; PUN; SPDT (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system Leads: screw terminals Type of module: voltage monitori...
MIKROBEST
PUN-3C
from £ 24.15*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (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-55
from £ 23.27*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (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-55N
from £ 23.26*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (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: IP10 Leads: screw terminals Type of...
ELKO EP
HRN-57N
from £ 33.48*
per piece
 
 piece
Items per page: 10   15   20   All   
* Prices with asterisk are net prices excl. statutory VAT.
Our offer is only aimed at companies, public institutions and freelancers.