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  Mains monitoring relays  (17,805 offers of 2,627,951 product items)

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FSP AS400 (1 offer) 
The AS400 communication card provides contact closures for remote monitoring UPS. To meet different application requirement, the AS400 card is capable of selection the status of the dry-contact sign...
FSP Forton Source
MPF0007500GP
from € 157.02*
per piece
 
 piece
ABB CR-M125DC4L electrical relay (1 offer) 
The CR-M125DC4L pluggable interface relay is a miniature relay, which is to be plugged into a suitable ABB CR-M socket. Plugged into a socket, the combination of relay and socket may be seemlessly ...
ABB
1SVR405613R8300
from € 9.04*
per piece
 
 piece
Cradle relay 4 change-over (CO) 20 VDC (1 offer) 
Cradle relay, Temperature range: -40...+70 °C, Manufacturer Article n°: V23154D720C110, Contact material: Ag+Au, Contact type: Bifurcated contacts, Contacts: 4 change-over (CO), Pitch: 2.5 mm, Prot...
TE Connectivity
7-1393808-0
from € 125.27*
per piece
 
 piece
NORVI-IIOT-AE01-R (ESP32-WROOM32 / 8x Digital In-, 6x Relay outputs, 2 x Transistor Out-) (1 offer) 
USB Programmable Industrial ESP32 with OLED Display and din-rail mount. It is designed for protection and reliability. Complying with 2014/30/EU- Electromagnetic Compatibility (EMC) Annex III, Part...
Norvi
IIOT-AE01-R
from € 84.09*
per piece
 
 packet
ABB PSE142-600-70 electrical relay Grey (1 offer) 
The softstarter PSE142-600-70 has a rated maximum operational current of 142 A with an operating voltage span from 208...600 V AC. The rated control voltage is between 100...250 V AC at 50/60 Hz. P...
ABB
PSE142-600-70
from € 1,180.06*
per piece
 
 piece
frogblue frogRelay2-2 DIN rail-mounted Switching actuator 2 channels (1 offer) 
frogblue Relay, frogRelay2-2, Multifunctional 2-channel relay switch with 2 outputs for roller blinds/roller blind control system or for switching other consumers. With 2 inputs to query buttons an...
Frogblue
R2-2-1200.01
from € 116.98*
per piece
 
 piece
ABB CR-M4SF electrical relay White (1 offer) 
The CR-M4SF socket is from the CR-M (miniature) relay range. The standard socket is suitable for CR-M relays with 4 c/o (SPDT) output contacts. The socket has fork type connection terminals. Plugga...
ABB
1SVR405651R3300
from € 4.95*
per piece
 
 piece
ABB CM-ESS.2S electrical relay (1 offer) 
The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and h...
ABB
1SVR730830R0400
from € 106.38*
per piece
 
 piece
ABB CT-SDC.22 electrical relay Grey (1 offer) 
The CT-SDC.22 is a single-function electronic time relay from the CT-C timer range. It provides a star-delta function with 7 time ranges from 0.05 s to 10 min. and a fixed transition time of 50 ms....
ABB
1SVR508211R0100
from € 31.66*
per piece
 
 piece
Phoenix Contact 2866048 electrical relay Green (1 offer) 
Monitoring relay for monitoring 1-phase voltages of 0...300 V AC/DC, overvoltage/undervoltage or window, error memory, wide-range power supply unit, 2 PDTs
Phoenix Contact
2866048
from € 259.29*
per piece
 
 piece
ABB CR-M125DC4LG electrical relay (1 offer) 
The CR-M125DC4LG pluggable interface relay is a miniature relay with gold-plated contacts, which is to be plugged into a suitable ABB CR-M socket. Plugged into a socket, the combination of relay an...
ABB
1SVR405618R8300
from € 13.95*
per piece
 
 piece
Cradle relay 4 change-over (CO) 24 VDC (1 offer) 
Cradle relay, Temperature range: -40...+70 °C, Manufacturer Article n°: V23003B37B110, Contact material: Ag+Au, Contact type: Single contacts, Contacts: 4 change-over (CO), Pitch: 2.5 mm, Protectio...
TE Connectivity
3-1393817-9
from € 239.54*
per piece
 
 piece
NORVI-IIOT-AE01-T (ESP32-WROOM32 / 8x Digital Input, 8 x Transistor Out) (1 offer) 
USB Programmable Industrial ESP32 with OLED Display and din-rail mount. It is designed for protection and reliability. Complying with 2014/30/EU- Electromagnetic Compatibility (EMC) Annex III, Part...
Norvi
IIOT-AE01-T
from € 72.77*
per piece
 
 packet
Eaton 9SX uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA 1800 W 9 AC outlet(s) (1 offer) 
The Eaton 9SX UPS offers high availability, flexibility and advanced protection for infrastructure, industrial, medical, IT, networking, storage and telecom. Delivering on-line double conversion pr...
Eaton
9SX2000IR
from € 1,674.18*
per piece
 
 piece
ABB PSE170-600-70 electrical relay (1 offer) 
The softstarter PSE170-600-70 has a rated maximum operational current of 170 A with an operating voltage span from 208...600 V AC. The rated control voltage is between 100...250 V AC at 50/60 Hz. P...
ABB
PSE170-600-70
from € 1,361.79*
per piece
 
 piece
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