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  Mains monitoring relay  (38,715 offers of 6,230,352 product items)

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Flowline EchoPod Series Ultrasonic Level Sensor Ultrasonic Level Sensor, 2 Wire Relay Output, Vertical, Polycarbonate / 8891362 (1 offer) 
Compatible with Various Flowline product ranges such as DataLoop, DataView, DataPoint ; Commander. Flowline EchoPod DL24/34 Ultrasonic Level Sensor. Robust range of Ultrasonic level sensors provide...
Flowline
DL34-00
£ 717.852*
per piece
 
 piece
Hengstler TICO 774 Batch Counter, Shift Counter, Tachometer, Timer, 6 Digit LCD, 60kHz, 12 → 30 V dc / 8780987 (1 offer) 
Multifunctional Counter - Tico 774. Universally applicable as tachometer, timer, shift-counter and batch-counter Simplified handling Separate preset adjustment (signal 1, trail preset, range or lim...
Hengstler
0 774 502
£ 273.212*
per piece
 
 piece
Finder Plug-In Mount Power Relay Module, 24V dc Coil, 16A Switching Current / 2482537 (2 offers) 
Coil Voltage = 24V dc Mounting Type = Plug-In Mount Switching Current = 16A Number of Poles = 2 Latching = No
Finder
623290240000
£ 12.41*
per piece
 
 piece
Honeywell Pressure Sensor, 1.24mbar Max, Relay Output, Relative Reading / 1785702 (1 offer) 
PBN series differential pressure sensors with switch. Ultra-sensitive, rapid-response pressure sensors to measure differential pressure. PBN1B332-A: sensor with fixed detection threshold and radial...
Honeywell
PBN1B332-A
£ 71.919*
per piece
 
 piece
Flowline EchoPod Series Ultrasonic Level Transmitter Ultrasonic Level Sensor, 2 Wire Relay Output, Vertical, / 8891365 (1 offer) 
Flowline Ultrasonic Level SensorThe Flowline Ultrasonic level transmitter provides continuous level measurement up to 9.8ft (3.0m) and output current rating ranging from 4mA to 20mA and is configur...
Flowline
DL24-00
£ 525.584*
per piece
 
 piece
Honeywell GSS Series Limit Switch, NO/NC, DP, Metal Housing / 2588221 (1 offer) 
UL, CSA. GSS Series, Safety Limit Switches. Designed to EN50041 characteristics and mounting The GSS family of limit switches are specifically designed for use in safety applications. All the units...
Honeywell
GSAC21A1B
£ 159.299*
per piece
 
 piece
Finder Plug-In Mount Power Relay Module, 24V dc Coil, 16A Switching Current / 2482541 (2 offers) 
Coil Voltage = 24V dc Mounting Type = Plug-In Mount Switching Current = 16A Number of Poles = 2 Latching = No
Finder
623290240360
£ 15.95*
per piece
 
 piece
Honeywell T4 Thermostats, 24 → 230 V, +21 → +35 (Upper) °C, +5 → +21 (Lower) °C / 1444025 (1 offer) 
Compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and zone valves The T4 can be used as a temperature sensing device in an S or Y Plan system Well suited to control combi...
Honeywell
T4R
£ 203.117*
per piece
 
 piece
Fluke V3000 FC Handheld Digital Multimeter, True RMS, 1000V ac Max / 8111363 (2 offers) 
TL224 Test Leads, AC285 Alligator Clips and Magnetic hanging strap. Fluke v3000 FC Wireless DC Voltage Module Fluke CONNECT™. The Fluke v3000 FC Wireless AC Voltage Module is fully functional AC vo...
Fluke
FLK-V3000 FC
£ 241.04*
per piece
 
 piece
Hongfa Europe GMBH Chassis Mount Power Relay, 120V ac Coil, 5A Switching Current, 4PDT / 9232552 (1 offer) 
HF18FH Miniature Intermediate Power Relays. HongFa HF18FH series miniature high power relays. The HF18FH range is available in 2 or 4 pole configurations. 7 A switching capability 1.5kV dielectric ...
Hongfa
HF18FHA1204Z1D
£ 9.933*
per piece
 
 piece
Finder Plug-In Mount Power Relay Module, 400V ac Coil, 20A Switching Current / 2481839 (1 offer) 
Coil Voltage = 400V ac Mounting Type = Plug-In Mount Switching Current = 20A Number of Poles = 4 Latching = No
Finder
563484000010
£ 35.518*
per piece
 
 pieces
Hongfa Europe GMBH Chassis Mount Power Relay, 24V ac Coil, 5A Switching Current, 4PDT / 9232559 (2 offers) 
HF18FH Miniature Intermediate Power Relays. HongFa HF18FH series miniature high power relays. The HF18FH range is available in 2 or 4 pole configurations. 7 A switching capability 1.5kV dielectric ...
Hongfa
HF18FHA0244Z1D
£ 9.128*
per piece
 
 piece
Gefran 1200 PID Temperature Controller, 96 x 48 (1/8 DIN)mm, 3 Output Analogue, Relay, 100 V ac, 240 V ac Supply / 4819864 (1 offer) 
1200 Series Temperature Regulator. Gerfran ‘s 1200 series temperature regulator is a microcontroller based unit for controller heating or cooling systems as well as controlling heat/cool systems al...
Gefran
1200-RRW0-00-0-1
£ 416.735*
per piece
 
 piece
Hongfa Europe GMBH PCB Mount Latching Power Relay, 12V dc Coil, 20A Switching Current, SPDT / 1762941 (1 offer) 
Latching relay Low height: 15.7 mm 20A switching capability 5kV dielectric strength (between coil and contacts) Creepage distance: 11mm-NO/10mm-CO version Environmental friendly product Outline Dim...
Hongfa
HF115F-L/12-Z3L1TF(610)
£ 4.003*
per piece
 
 piece
Finder Plug-In Mount Power Relay Module, 48V dc Coil, 12A Switching Current / 2482047 (1 offer) 
Coil Voltage = 48V dc Mounting Type = Plug-In Mount Switching Current = 12A Number of Poles = 4 Latching = No
Finder
563490484040
£ 26.398*
per piece
 
 pieces
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