1 NO/NC monitoring relays

22 companies | 67 products
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overload monitoring relay
overload monitoring relay
777 series

The 777 is a fully programmable electronic overload relay designed to protect any motor drawing 2-800 full load amps (external CTs are required above 90 amps). The 777 (family of products) is for 3-phase 200-480VAC applications, with ...

voltage monitoring relay
voltage monitoring relay
202 202 RP series

Trigger voltage: 190 V - 600 V

The 202 series is a 3-phase, auto-ranging, dual-range voltage monitor that protects 190-600VAC, 50/60Hz motors regardless of size. The 202-RP monitors the phase rotation of 3-phase systems and trips on reverse phase only. Critical applications ...

under-voltage monitoring relay
under-voltage monitoring relay
Série 70

Tripping current: 6, 10, 30 A
Trigger voltage: 220 V - 415 V

Electronic voltage monitoring relays for single and three-phase applications •Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss •Colored ...

under-voltage monitoring relay
under-voltage monitoring relay
Série 71

Tripping current: 10, 15 A
Trigger voltage: 400, 250 V

Over & Under voltage monitoring Voltage or current detecting Phase asymmetry Phase rotation Phase loss Thermistor temperature sensing •35mm wide •1 or 3 phase systems •Adjustable or Fixed values •Positive safety logic •35mm ...

safety relay
safety relay
MSI-MC3x series

Tripping current: 150, 220 mA

The world class quality MSI-MC310 Safety Relay is used as an evaluation unit for magnetically coded safety system that can be used in the food, pharmaceutical and wood industry to monitor moveable guards such as protective doors, sliding ...

under-voltage monitoring relay
under-voltage monitoring relay
HWUA

Trigger voltage: 194 V - 528 V

This item is suitable for controlling 3-phase networks and works with various applications of this matter. The independent settings are applicable to various voltages, which means you will surely regard this item as a good fit for your ...

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Crouzet
voltage monitoring relay
voltage monitoring relay
1026130

L Series - Control Relays L Series relay range of Timers, Control and Three Phase relays incorporate the latest technology and offer a wide range of user adjustable features. 17.5mm DIN rail housing Microprocessor based 1 x ...

current monitoring relay
current monitoring relay
1026134

L Series relay range of timers, control and three phase relays incorporate the latest technology and offer a wide range of user adjustable features. 17.5mm DIN rail housing Microprocessor based True R.M.S. monitoring Isolated ...

level monitoring relay
level monitoring relay
CM-ENS series

Trigger voltage: 24 V - 240 V

Functionality • Wide range power supplies like 24–240 V AC/DC reduce drastically the number of variants and ensure a worldwide use • High immunitiy against electromagnetic disturbances due to advanced measuring technology • Adjustable ...

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ABB
voltage monitoring relay
voltage monitoring relay
E1UM230V01

Trigger voltage: 24, 230 V

This is a voltage monitoring relay module that is capable of measuring 1-phase networks. Our E1UM230V01 lets you select a suitable voltage range of 24V AC, 24V DC or 230V AC in one device. The settings go as low as 18V AC/DC all the way ...

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TELE Haase Steuergeraete GmbH
current monitoring relay
current monitoring relay
E1IM10AACL10

Tripping current: 10 A

The E1M10AAACL10 is an AC current monitoring in 1-phase which is equipped with thresholds and hysteresis. The multifunction device also has tripping delay that helps in monitoring relays. It has various other features such as overcurrent ...

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TELE Haase Steuergeraete GmbH
current monitoring relay
current monitoring relay
V2IM10AL10

Tripping current: 10,000 mA

Monitoring relay for AC and DC current up to 10A. Selfpowered from measured circuit. 1 CO

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TELE Haase Steuergeraete GmbH
frequency monitoring relay
frequency monitoring relay
LINETRAXX® VME420 series

• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 0…300 V • Various monitoring functions selectable U, f • Adjustable start-up delay, response delay and delay on release • Password protection for device setting • ...

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BENDER
frequency monitoring relay
frequency monitoring relay
LINETRAXX® VME421H series

• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 9.6…150 V (VME421H-D-1), 70…300 V (VME421H-D-2) • Integrated energy storage, is supplied by the system being monitored • Various monitoring functions selectable ...

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BENDER
over-voltage monitoring relay
over-voltage monitoring relay
LINETRAXX® VMD421H series

• Undervoltage, overvoltage and frequency monitoring in 3(N)AC systems 0…500 V • Integrated energy backup • Asymmetry, phase failure and phase sequence monitoring • Adjustable start-up delay, response delay and delay on release • ...

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BENDER
power factor monitoring relay
power factor monitoring relay
RP81 series

Trigger voltage: 230, 400 V

○Load guard for 3-phase motors ○Measures power factor (cos phi) ○Adjustable time delay 0-20 sek. by start-up ○Selectable relay drop off by over- and under load ○1-pole relay output ○230V AC supply / 400V AC supply C-mac® module ...

under-voltage monitoring relay
under-voltage monitoring relay
HMPB7 series

Description: Chordn’s three-phase monitoring relays HMPB7 series are mainly used to monitor the phase sequence, phase loss and over-undervoltage of power supply system. The width of these monitoring relays is 35.5mm and standard 35mm ...

under-voltage monitoring relay
under-voltage monitoring relay
HMPA5C series

Description: The 17.5mm pitch of our Chordn’s three-phase monitoring relays HMPA5C series are appropriate for monitoring the phase sequence-loss and undervoltage. Standard 35mm DIN rail mounting is adapted. These relays are fitted with ...

phase sequence monitoring relay
phase sequence monitoring relay
HMPA5A series

Description: The 17.5mm pitch of our Chordn’s three-phase monitoring relays HMPA5A series are mainly designed for monitoring the phase sequence and phase loss. Standard 35mm DIN rail mounting is adapted. These relays are fitted with ...

phase monitoring relay
phase monitoring relay
PMA60A series

Minimum and maximum phase shift monitoring relay, AC auxiliary power supply Direct connection up to 16A max or by current transformer (CT) Excellent tripping accuracy Voltage control range 80-660VAC Current control range 0.1-16A ...

voltage monitoring relay
voltage monitoring relay
BasicLine BL 550

Trigger voltage: 50 V

This extremely compact set-point alarm relay with changeover output contacts monitors and controls process variables with maximum reliability. • Input 0 ... 20 mA/4 ... 20 mA 0 ... 10 V • Relay output 1 changeover contact 240 V AC, ...

1 NO/NC monitoring relay
1 NO/NC monitoring relay
ISOPAK2xx series

Trigger voltage: 24 V - 240 V

UNIVERSAL DC EARTH FAULT PROTECTION SYSTEM 24 channel earth leakage monitoring of LIVE 6 to 60VDC networks Tailored to any current range in up to 4 network systems Reads each channel's leakage current 0 to 100mA "Pathfinder" ...

voltage monitoring relay
voltage monitoring relay
002470015

The Voltage monitoring relay HRN-33, HRN-34, HRN-35 features in controlling the supply voltage in various devices fragile to supply variation and secures appliances against lower/higher voltage. It also has 1-module, DIN rail mounting ...

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ETI
1 NO/NC monitoring relay
1 NO/NC monitoring relay
MVR54N

Tripping current: 8 A
Trigger voltage: 250 V

MVR 54N Relay for monitoring over/under voltage, phase sequence and failure. MVR 54N - supply L1-N, means that relay monitors also failure of neutral wire. - It serves to monitor voltage, phase failure and sequence in switchboards, ...

safety relay
safety relay
A 285 K 2.3

Tripping current: 1 A
Trigger voltage: 90 V - 110 V

This flame relay is a piece of equipment that needs to be integrated into a higher ranking burner control system. It must be only be operated with a Hegwein flame monitor. - Power stations - Chemical industry - Refineries - ...

over-current monitoring relay
over-current monitoring relay
LMCCR-2A

Tripping current: 0.02 A - 2 A

- Under or Over current monitoring (selectable) - 3 Selectable current ranges (0.2A, 1A or 2A) - Adjustable Trip level, Hysteresis and Time delay + Latch - Isolated Auxiliary supply - SPDT Relay output - 17.5mm wide, DIN Rail mount - ...

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Broyce Control
level monitoring relay
level monitoring relay
HRH-5

Tripping current: 8 A

Level switch HRH-5Replacemat for HRH-2, simple version , 2 functionsRelay is designed for monitoring levels in wells, basins, reservoirs, tanks....In one device you can choose the following confi gurations:- one-level swotch of conductive ...

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ELKO
current monitoring relay
current monitoring relay
MRI series

Tripping current: 0.1 A - 25 A

This range of current monitoring relays are used for the control of AC and DC current signal in various industrial and domestic applications. The measuring part of the instrument is metallically separated from the current connection terminals. ...

over-voltage monitoring relay
over-voltage monitoring relay
1.5 - 6 W | 269

The Model 269 Over and Under 3-Phase Monitor continuously monitors 3-phase lines for high voltage, low voltage, phase loss or phase reversal. This device features a solid-state voltage and phase-angle sensing circuit, which drives a SPDT ...

voltage monitoring relay
voltage monitoring relay
MR-EU31UW1P

Tripping current: 5 A

Voltage monitoring in 3-phase and 1-phase mains Technical info Meassuring circuit data Functions monitoring of phase sequence and phase failure, Measuring circuit terminals(N)-L1-L2-L3 measuring variable 3(N)~, sinus, 48 ... ...

temperature monitoring relay
temperature monitoring relay
PTC

The PTC multi function timer can be operated at a power range of 24 up to 240 V. It is integrated with a thermistor relay, which has protection from any phase sequence fault. The timer also has LED indicators for either Sensor Open, Healthy, ...