1 NO monitoring relays

11 companies | 15 products
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safety relay
safety relay
700S-CF

Bulletin 700S-CF Safety Control Relays provide mechanically or mirror contact performance, which are required in feedback circuits for safety applications. Bifurcated contacts are ideal for low energy feedback safety circuits where high ...

current monitoring relay
current monitoring relay
EIL

Tripping current: 2 mA - 500 mA

Current transformer fitted by passing a cable through the front AC current treshold adjustable from 1 to 20 A AC (30 Hz to 400 Hz) via button on front Relay output 5 A - 250 V AC - 1 N/O contact Multivoltage power supply : 100 to ...

under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VMD420 series

The multi-functional VMD420 series voltage is used for observing frequency, under and over voltage. It also monitors the voltage between two limit values in 3 AC systems. This product has a digital screen where the currently measured ...

under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VMD423/VMD423H

The LINETRAXX VMD423 and VMD423H voltage relay models are designed for AC systems. Frequency and voltage are monitored in accordance with DIN-V-VDE-V 0126-1-1 for the purpose of feeding power into a low voltage public grid from private ...

frequency monitoring relay
frequency monitoring relay
RF5

Limit value switch for frequency (square wave signal). Simple application; for rough environments. Limit value freely adjustable by drum scale. Open-circuit or closed-circuit devices available. Compact and robust construction. Operating ...

frequency monitoring relay
frequency monitoring relay
RFW5

Limit value switch for terminal W of a 24 V three-phase generator. Simple application; for rough environments. Limit value freely adjustable by drum scale. Open-circuit or closed-circuit devices available. Compact and robust construction. Operating ...

temperature monitoring relay
temperature monitoring relay
45PTR

Trigger voltage: 400 V

- Combined Three Phase and Thermistor Relay - Used in conjunction with PTC thermistors to DIN 44081 - Three Phase voltage monitoring - Auxiliary supply - 2 x SPNO Relay outputs - 45mm wide, DIN Rail mount The product offers temperature ...

temperature monitoring relay
temperature monitoring relay
MXT-10 series

Trigger voltage: 24, 115, 230 V

Brodersen's MXT-10 Thermostat relay is a thermostat relay for on/off control of temperature in an incubator or a freezer locker. Via analogue outputs the setpoint can be accurately adjusted and the measured temperature can be determined. ...

level monitoring relay
level monitoring relay
CM-ENE MIN series

Low level monitoring; protection against running dry (loss of prime); The single function relay features a single supply voltage range, a fixed response sensitivity (0-100 kOhm), a LED for status indication and 1 n/o output contact in ...

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ABB
voltage monitoring relay
voltage monitoring relay
UMD series

Over voltage & under voltage monitoing relay for demanding AC or DC applications Plug in relay Smitt style pinning 1CO + 1NO contact DC and AC coil Flash barrier 2 LED indicators Cadmium free contacts Adjustable with a lockable knob No ...

safety relay
safety relay
VIPER SCR-21-i

The VIPER SCR-21-i Safety Relay with Added Diagnostics from IDEM is been designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring ...

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Idem Safety Switches
safety relay
safety relay
PSCU series

PSCU series of safety controllers can be used as safety devices for low-risk automation and machine control applications. These CE Certified safety interface modules have a single form C output relay (normally open, common, normally closed). ...

safety relay
safety relay
SAFE X4, SAFE X4.1

Expansion module for emergency stop relay according to VDE 0113 4 normally open safety and 1 normally safety closed (feedback) With (SAFE X4) and without (SAFE X4.1) opposite polarity between channels Easy way to increase the number ...