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  Mains monitoring relays  (22,640 offers of 5,363,036 product items)

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ABB CM-ENS Series Liquid Level Relay - DIN Rail, 24 → 240 V ac/dc 1 Voltage Input SPDT Relay / 1356333 (2 offers) 
CM-ENS Liquid Level Relays. A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the...
ABB
1SVR740850R0200 CM-ENS.21P
from £ 84.972*
per piece
 
 piece
PowerWalker VI 1500RT LCD 1.5 kVA 1350 W 8 AC outlet(s) (1 offer) 
PowerWalker VI 1500 RT LCD is a Line-Interactive UPS with pure sine wave, microprocessor control and designed for fulfilling high quantity power protection demand. This series UPS can be applied to...
BlueWalker
10120023
£ 445.50*
per piece
 
 piece
Salicru SLC-8000-TWIN RT2 B1 (1 offer) 
Salicru’s SLC TWIN RT2 series models are uninterruptible power supplies with unrivalled electrical protection features for critical server environments. Their dual tower/rack format offers physical...
Salicru
698CC000004
£ 2,167.00*
per piece
 
 piece
Lascar EL-USB-5 Counter, Event & State USB Data Logger (3 offers) 
The Lascar EL-USB-5 is a Standalone Data Logger that can record events (detecting an input and storing the time and date of occurrence), record state changes (similar to an 'event' but also recordi...
Lascar
EL-USB-5
from £ 49.94*
per piece
 
 piece
ABB CM-ENS Series Liquid Level Relay - DIN Rail, 24 → 240 V ac/dc 1 Voltage Input SPDT Relay / 1356328 (2 offers) 
CM-ENS Liquid Level Relays. A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the...
ABB
1SVR730850R0300 CM-ENS.31S
from £ 111.583*
per piece
 
 piece
ONLINE USV-Systeme XANTO 700R uninterruptible power supply (UPS) Double-conversion (Online) 0.7 kVA 700 W 8 AC outlet(s) (2 offers) 
Perfect: The ultimate protection against power failure and data loss The new XANTO is the result of the consistent further development of tried-and-proven ONLINE UPS concepts. The premium-class UPS...
Online USV
X700R
from £ 310.14*
per piece
 
 piece
Salicru SLC-6000-TWIN RT2 B1 (2 offers) 
Salicru’s SLC TWIN RT2 series models are uninterruptible power supplies with unrivalled electrical protection features for critical server environments. Their dual tower/rack format offers physical...
Salicru
698CC000003
from £ 1,444.31*
per piece
 
 piece
Pickering 106-1-A-5/2D. 1 Form A (SPST). 5 Volt coil. Single-in-Line Reed Relay. (1 offer) 
A 5V 12A single-in-line reed relay from the Pickering Reed Relays 106 series. This 10W relay has a switching voltage of 200V, and its small size is designed to be stackable on an 0.2in pitch. With ...
Pickering Reed Relays
106-1-A-5/2D
from £ 5.44*
per piece
 
 piece
ABB CM-ENS Series Liquid Level Relay - DIN Rail, 110 → 130 V ac, 220 → 240 V ac 1 Voltage Input SPDT Relay / 1356324 (2 offers) 
CM-ENS Liquid Level Relays. A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the...
ABB
1SVR730850R2200 CM-ENS.23S
from £ 79.448*
per piece
 
 piece
Tripp Lite SUINT1000XLCD SmartOnline 230V 1kVA 900W On-Line Double-Conversion UPS, Tower, Extended Run, Network Card Options, LCD, USB, DB9 (1 offer) 
The SUINT1000XLCD SmartOnline® 230V 1kVA 900W On-Line Double-Conversion UPS provides battery backup and AC power protection against blackouts, brownouts, power surges and line noise that can damage...
Tripp Lite
SUINT1000XLCD
from £ 357.37*
per piece
 
 piece
Seeed 103030009 Relay Shield For Arduino V3.0 (3 offers) 
The Arduino Relay Shield from Seeed Studio gives you 4 relays that will switch 7A at 35V DC each, easily enough for most applications. Screw terminals are provided for the connections to the device...
Seeed Studio
103030009
from £ 15.336*
per piece
 
 piece
ABB PCB Mount Power Relay, 24V ac Coil, 12A Switching Current, SPDT / 7755066 (3 offers) 
Pluggable Interface Relays CR-M Series. The CR-M series of pluggable interface relays from ABB are standard miniature relays with mechanical status indication. This series of relays also have an in...
ABB
1SVR405611R0000 CR-M024AC2
from £ 3.94*
per piece
 
 piece
Salicru SLC-700-TWIN PRO2 (1 offer) 
Salicru's SLC TWIN PRO2 series is a UPS range in a tower format equipped with on-line double-conversion technology and the latest features to make it an advanced protection system for sensitive and...
Salicru
699CA000001
£ 284.90*
per piece
 
 piece
ABB CM50 Panel Mount Controller, 144 x 76mm 2 Input, 5 Output Analogue, Digital, Relay, 100 → 240 V ac Supply / 7362835 (1 offer) 
Output Type = Analogue, Digital, Relay Supply Voltage = 100 → 240 V ac Size = 144 x 76mm Number of Inputs = 2 Number of Outputs = 5 Minimum Operating Temperature = 0°C Maximum Operating Temperature...
ABB
CM50/0S0S0E0/STD
from £ 676.042*
per piece
 
 piece
Salicru SLC-2000-TWIN PRO2 IEC B1 (2 offers) 
Salicru's SLC TWIN PRO2 series is a UPS range in a tower format equipped with on-line double-conversion technology and the latest features to make it an advanced protection system for sensitive and...
Salicru
699CA000018
from £ 447.90*
per piece
 
 piece
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