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  Voltage monitoring relays  (17,613 offers of 2,627,865 product items)

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ABB CR-U3S electrical relay White (1 offer) 
The CR-U3S socket is from the CR-U (universal) relay range. The socket is suitable for CR-U relays with 3 c/o (SPDT) output contacts. The socket has screw connection terminals. Pluggable function m...
ABB
1SVR405660R0000
from € 3.33*
per piece
 
 piece
ABB CR-U024AC2L electrical relay (1 offer) 
The CR-U024AC2L pluggable interface relay is a univeral relay and is also commonly referred to as an ice cube relay. CR-U relays may be plugged into CR-U sockets and this combination of relay and s...
ABB
1SVR405621R0100
from € 10.67*
per piece
 
 piece
Wago 750-501 fieldbus module (2 offers) 
This digital output module transmits control signals from the automation device to the connected actuators. All outputs are short-circuit-protected. Field and system levels are electrically isolated.
WAGO Kontakttechnik
750-501
from € 43.09*
per piece
 
 piece
NORVI-IIOT-AE04-V (ESP32-WROOM32 / 6x Digital Input, 6x Analog Input 0-10V, 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-AE04-V
from € 113.88*
per piece
 
 packet
ABB PSE30-600-70 electrical relay Grey (1 offer) 
The softstarter PSE30-600-70 has a rated maximum operational current of 30 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. PSE...
ABB
PSE30-600-70
from € 470.32*
per piece
 
 piece
ABB RB111-115VUC electrical relay Grey (1 offer) 
The RB111-115VUC is a boxed interface relay with screw terminals, which can be seemlessly snap-on mounted onto a DIN Rail. The relay is soldered into device housing, ensuring a high resistance agai...
ABB
1SNA645016R2100
from € 26.47*
per piece
 
 piece
ABB CM-MPS.21P electrical relay Grey (1 offer) 
The CM-MPS.21P is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 180-280 V AC 50/60 Hz and has a ...
ABB
1SVR740885R3300
from € 115.02*
per piece
 
 piece
Lanview LVR252361 rack accessory Thermostat (1 offer) 
Digital thermometer for use in 19” racks. Digital temperature setting for relay output switch. Acoustic alarm at too high temperature. Current temperature can be read in the display.
Lanview
LVR252361
from € 71.20*
per piece
 
 piece
Phoenix Contact 2900262 electrical relay (1 offer) 
6.2 mm PLC basic terminal block for input functions with push-in connection, without relay or solid-state relay, for mounting on DIN rail NS 35/7,5, with sensor supply voltage distribution (BB), 1 ...
Phoenix Contact
2900262
from € 5.53*
per piece
 
 piece
ABB CR-U024AC3L electrical relay (1 offer) 
The CR-U024AC3L pluggable interface relay is a univeral relay and is also commonly referred to as an ice cube relay. CR-U relays may be plugged into CR-U sockets and this combination of relay and s...
ABB
1SVR405622R0100
from € 11.00*
per piece
 
 piece
Velleman MK138 thermostat (2 offers) 
General purpose low-cost thermostat with NTC temperature sensor. Output relay with LED indicator. - also available as completely mounted module VM137
Velleman
MK138
from € 7.05*
per piece
 
 piece
ABB RB121-60-230VUC electrical relay Grey (1 offer) 
The RB121-60-230VUC is a boxed interface relay with screw terminals, which can be seemlessly snap-on mounted onto a DIN Rail. The relay is soldered into device housing, ensuring a high resistance a...
ABB
1SNA645020R0100
from € 64.87*
per piece
 
 piece
Phoenix Contact 2866077 electrical relay Green (1 offer) 
Monitoring relay for monitoring phase sequence, phase failure and asymmetry, 342 ... 457 V AC, supply from measurement supply, 2 PDTs
Phoenix Contact
2866077
from € 126.84*
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
VI1500RTLCD
from € 555.67*
per piece
 
 piece
ABB CR-U024DC2 electrical relay (1 offer) 
The CR-U024DC2 pluggable interface relay is a univeral relay and is also commonly referred to as an ice cube relay. CR-U relays may be plugged into CR-U sockets and this combination of relay and so...
ABB
1SVR405621R1000
from € 6.51*
per piece
 
 piece
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