Monitoring Relays
Our range of products include fn ls level monitoring relays, mws monitoring relays, mws2 monitoring relays, emws monitoring relays, ews2 monitoring relays and mwu monitoring relays.
FN LS Level Monitoring Relays
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Product Brochure Product Details:
| Voltages | 230 VAC |
| Maximal Power | 4 VA at Un + 15 % |
| Electrode Current | 1 mA |
| Output | 2 AgCdO changeover |
| Weight | 280 g |
| Nominal Power | 3 VA at Un |
- Automatic control and regulation of liquid levels.
- 2 sensitivity ranges.
- Filling or emptying function selected via dip switch.
- High or low alarm selected via dip switch.
- Memory can be selected.
- LEDs indicate state of power supply, output relay and alarm relay.
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Product Brochure Product Details:
| Function | Phase sequence,phase failure |
| Nominal Voltage | 3 x 208 -3 x 480 V AC |
| Output | 1 single pole changeover relay |
| Humidity | 95% rh |
| Weight | 80 g |
| Min Breaking Current | 10 mA / 5 VDC |
- Control of 3-phase networks : phase sequence, total phase failure
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Dielectric Strength | 2 kV AC 50 Hz 1 min. |
| Insulation Coordination | Overvoltage category III degree of pollution 3 |
| Casing | 17,5 mm |
| Protection | IP30 |
| Max Breaking Current | 5 A AC/DC |
- Control of 3-phase networks : phase sequence, total phase failure
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Casing | 17,5 mm |
| Immunity from Micro Power Cuts | 60 ms |
| Maximum Power Consumption | 20 VA |
| Measurement Ranges | 183-528 VAC |
| Weight | 63 g |
| Nominal insulation Voltage | 300 V |
- Control of 3-phase networks : phase sequence, total phase failure
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Operating Range | 3 x 200-3 x 484 V AC |
| Frequency | 50 / 60 Hz |
| Maximum Consumption | 28 VA |
| Output Relay | 2 changeovers |
| Nominal Rating | 8 A |
| Maximum Breaking Voltage | 250 V AC |
- Control of 3-phase networks : phase sequence, total phase failure
- Multi-voltage from 3 x 208 to 3 x 480 V ¿¿¿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Output | 1 single pole changeover relay |
| Functions | Phase sequence, phase failure, undervoltage |
| Nominal Voltage | 3 x 208-3 x 480 V AC |
| Voltage Supply Tolerance | -12 % / +10 % |
| Reset Time | 1500 ms |
| Maximum Rate | 360 operations/hour at full load |
- Control of 3-phase networks : phase sequence, phase failure, imbalance (asymmetry), over and undervoltage (MWU)
- Range includes mono-function product and multi-function product
- Multi-voltage from 3 x 208 to 3 x 480 V ¿¿¿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Functions | Phase sequence and failure |
| Nominal Voltage | 3 x 208-3 x 480 V AC* |
| Output | 1 single pole changeover relay |
| Casing | 17,5 mm |
| Mounting | On 35 mm symmetrical DIN rail,IEC/EN 60715 |
| Min Breaking Current | 10 mA / 5 V DC |
- Control of 3-phase networks : phase sequence, phase failure, imbalance (asymmetry), over and undervoltage (MWU)
- Range includes mono-function product and multi-function product
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Functions | Phase sequence,phase failure,imbalance (asymmetry),over and undervoltage in window mode |
| Nominal Voltage | 3 x 208 -3 x 480 V AC |
| Outputs | 1 single pole changeover relay |
| Min Breaking Current | 10 mA / 5 V DC |
| Mounting | On 35 mm symmetrical DIN rail,IEC/EN 60715 |
| Weight | 80 g |
- Control of 3-phase networks : phase sequence, phase failure, imbalance (asymmetry), over and undervoltage (MWU)
- Range includes mono-function product and multi-function product
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Functions | Phase sequence,phase failure imbalance (asymmetry) |
| Nominal Voltage | 3 x 208 -3 x 480 V AC |
| Outputs | 1 single pole changeover relay |
| Weight | 80 g |
| Shocks | 5 g |
| Humidity | 95% rh |
- Control of 3-phase networks : phase sequence, phase failure, imbalance (asymmetry), over and undervoltage (MWU)
- Range includes mono-function product and multi-function product
- Multi-voltage from 3 x 208 to 3 x 480 V ∿
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Function | Under/overvoltage between phases |
| Nominal Voltage | 3 x 220-3 x 480 V AC |
| Output | 2 single changeover relays / one per threshold |
| Mounting | On 35 mm symmetrical DIN rail,IEC/EN 60715 |
| Shocks | 5 g |
| Weight | 130 g |
- H3US and M3US relays control, on 3-phase networks :
- Overvoltage between phases,
- Undervoltage between phases
- The H3USN relay controls, on 3-phase networks :
- Overvoltage between phases and neutral,
- Undervoltage between phases and neutral,
- Loss of neutral
- Multi-voltage Products
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Function | Under/overvoltage between phases |
| Nominal Voltage | 3 x 208-3 x 480 V AC |
| Outputs | 1 single pole changeover relay |
| Weight | 80 g |
| Casing | 17,5 mm |
| Operating Range | 183-528 V AC |
- H3US and M3US relays control, on 3-phase networks :
- Overvoltage between phases,
- Undervoltage between phases
- The H3USN relay controls, on 3-phase networks :
- Overvoltage between phases and neutral,
- Undervoltage between phases and neutral,
- Loss of neutral
- Multi-voltage Products
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Functions | Phase sequence, phase failure, asymmetry, under/overvoltage with independent settings |
| Nominal Voltage | 3 x 220-3 x 480 VAC |
| Outputs | 1 single pole changeover relay |
| Shocks | 5 g |
| Weight | 130 g |
| Protection | IP20 |
- Control of 3-phase networks : phase sequence, phase failure, asymmetry, under and overvoltage with independent settings
- Multi-function/Multi-voltage product
- Controls its own supply voltage
- True RMS measurement
- LED status indication
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Product Brochure Product Details:
| Function | Over and undervoltage between phases and neutral / loss of neutral |
| Nominal Voltage | 3 x 120-3 x 277 V AC |
| Output | 2 single changeover relays / one per threshold |
| Weight | 130 g |
| Casing | 35 mm |
| Shocks | 5 g |
- H3US and M3US relays control, on 3-phase networks :
- Overvoltage between phases,
- Undervoltage between phases
- The H3USN relay controls, on 3-phase networks :
- Overvoltage between phases and neutral,
- Undervoltage between phases and neutral,
- Loss of neutral
- Multi-voltage Products
- Controls its own supply voltage
- True RMS measurement
- LED status indication
ENR Level Monitoring Relays
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Product Brochure Product Details:
| Response Time Low Level | 500 ms |
| Response Time High Level | 300 ms |
| Weight | 91 g |
| Operating Range | 24-240 V AC/DC |
| Maximum Power Consumption | AC 5 VA,DC 1,5 W |
| Electrode Current | 1 mA |
- Regulation of 1 or 2 levels (min / max)
- Monitoring filling (UP) or emptying (DOWN) selected by a switch on the front panel
- Probes supplied with AC current
- Time delay preventing wave effect adjustable from 0.1 to 5s (ENRM)
- Sensitivity adjustable on front panel from 250 Ω to 1 M Ω (ENRM)
- Sensitivity adjustable on front panel from 5 KΩ to 100 k Ω (ENR)
ENRM Level Monitoring Relays
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Product Brochure Product Details:
| Weight | 91 g |
| Operating Range | 24-240 V AC/DC |
| Maximum Power Consumption | AC 5 VA, DC 1,5 W |
| Electrode Voltage | 12 V |
| Response Time Low Level | 500 ms |
| Response Time High Level | 300 ms |
- Regulation of 1 or 2 levels (min / max)
- Monitoring filling (UP) or emptying (DOWN) selected by a switch on the front panel
- Probes supplied with AC current
- Time delay preventing wave effect adjustable from 0.1 to 5s (ENRM)
- Sensitivity adjustable on front panel from 250 Ω to 1 M Ω (ENRM)
- Sensitivity adjustable on front panel from 5 KΩ to 100 k Ω (ENR)
HNM Level Monitoring Relays
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Product Brochure Product Details:
| Voltage Supply Tolerance | -15 % / +10 % |
| Operating Range | 20,4-264 V AC/DC |
| Casing | 35 mm |
| Shocks | 5 g |
| Maximum Reset Time | 4 s |
| Weight | 115 g |
- Control of one or two levels
- Filling or emptying function
- HNM : Control by a resistive level probe
- HNE : Control by a discrete sensor
HNE Level Monitoring Relays
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Product Brochure Product Details:
| Voltage Supply Tolerance | -15 % / +10 % |
| Min Breaking Current | 10 mA / 5 V DC |
| Maximum Rate | 360 operations/hour at full load |
| Casing | 35 mm |
| Shocks | 5 g |
| Weight | 110 g |
- Control of one or two levels
- Filling or emptying function
- HNM : Control by a resistive level probe
- HNE : Control by a discrete sensor
LN Level Monitoring Relays
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Product Brochure Product Details:
| Supply Voltage | 24 V AC |
| Base | 8 - pin |
| Operating Range | 0,85-1,15 x Un |
| Response Time Low Level | 500 ms |
| Response Time High Level | 300 ms |
| Maximum Cable Capacity | 10 nF |
- Relay for controlling level of conductive liquids
- Output relay status display LED
- Sensitivity adjustable from 5 k to 100 k
- LN
- Relay for controlling level of conductive liquids
- Regulation of two levels : minimum, maximum
- Empty function
- Plug in (8 or 11 pins)
- Sensitivity adjustable from 5 k to 100 k
- LN2
- Combined fill and empty functions
- Combined regulation of pumping out a well and filling a tank
- Plug in (11 pins)
FN Level Monitoring Relays
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Product Brochure Product Details:
| Voltages | 24 VAC |
| Maximal Power | 4 VA at Un + 15 % |
| Nominal Power | 3 VA at Un |
| Electrode Current | 1 mA |
| Electrode Voltage | 15 V AC (50/60 Hz) |
| Weight | 280 g |
- Automatic control and regulation of liquid levels.
- 2 sensitivity ranges.
- Filling or emptying function selected via dip switch.
- High or low alarm selected via dip switch.
- Memory can be selected.
- LEDs indicate state of power supply, output relay and alarm relay.
L2N Level Monitoring Relays
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Product Brochure Product Details:
| Supply Voltage | 24 V AC |
| Base | 11-pin |
| Max Absorbed Power | 3 VA |
| Response Time High Level | 300 ms |
| Response Time Low Level | 500 ms |
| Weight | 140 g |
- Relay for controlling level of conductive liquids
- Output relay status display LED
- Sensitivity adjustable from 5 kΩ to 100 kΩ
- LN
- Relay for controlling level of conductive liquids
- Regulation of two levels : minimum, maximum
- Empty function
- Plug in (8 or 11 pins)
- Sensitivity adjustable from 5 kΩ to 100 kΩ
- LN2
- Combined fill and empty functions
- Combined regulation of pumping out a well and filling a tank
- Plug in (11 pins)
MIC Current Monitoring Relays
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Product Brochure Product Details:
| Shocks | 5 g |
| Weight | 110 g |
| Protection | IP20 |
| Reset Time | 200 ms |
| Operating Range | 20,4 V-264 V AC/DC |
| Voltage Supply Tolerance | -15 % / +10 % |
- Control of AC currents
- Built-in current transformer
- Measurement ranges from 2 A to 20 A
- Choice of output relay action
- True RMS measurement
EIL Current Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 2-500 mA |
| Supply Voltage | 24 V DC |
| Operating Range | 0.85-1.15 Un |
| Voltage Supply Tolerance | -15 % / +10 % if products are mounted without space between them |
| Reset Time | 500 ms |
| Weight | 140 g |
- Relay output 5 A - 250 V AC - 1 N/O contact
- Multivoltage power supply : 100 to 230 V AC 50-60 Hz
- 24 V AC / DC
EIH Current Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 10-100 A with current transformer |
| Supply Voltage | 24 V DC |
| Weight | 140 g |
| Maximum Power Consumption | 3 VA AC 1 W DC |
| Sensitivity | 10-100 A |
| Output Relay | 1 changeover AgNi, 8A AC max |
- Relay output 5 A - 250 V AC - 1 N/O contact
- Multivoltage power supply : 100 to 230 V AC 50-60 Hz
- 24 V AC / DC
HIL Current Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 2 mA-500 mA |
| Nominal Voltage | 24-240 V AC/DC |
| Operating Range | 20,4 V-264 V AC/DC |
| Display Precision | +-10 % of full scale |
| Reset Time | 1500 ms |
| Delay on Pick Up | Less than 300 ms |
- Control of AC and DC currents
- Automatic recognition of AC/DC
- Measurement ranges from 2 mA to 10 A
- Choice between over and undercurrent
- True RMS measurement
- Selectable latching (memory) function
HIH Current Monitoring Relays
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Product Brochure Product Details:
| Functions | Over or undercurrent |
| Measurement Range | 0,1 A-10 A |
| Nominal Voltage | 24-240 V AC/DC |
| Casing | 35 mm |
| Weight | 130 g |
| Protection | IP20 |
- Control of AC and DC currents
- Automatic recognition of AC/DC
- Measurement ranges from 2 mA to 10 A
- Choice between over and undercurrent
- True RMS measurement
- Selectable latching (memory) function
MUS12 Voltage Monitoring Relays
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Product Brochure Product Details:
| Weight | 75 g |
| Operating Range | 7-20 V DC |
| Shocks | 5 g |
| Protection | IP20 |
| Casing | 17,5 mm |
| Mounting | On 35 mm symmetrical DIN rail, IEC/EN 60715 |
- Control relays monitoring their own power supply
- Over/undervoltage control
- Selectable latching (memory) function
- Over/undervoltage control
- Adjustable time delays
- Control in 50 Hz, 60 Hz or \???
- True RMS measurement
- LED status indication
MUS/MUSF80 Voltage Monitoring Relays
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Product Brochure Product Details:
| Reset Time | 1,5 s |
| Min Breaking Current | 10 mA / 5 V DC |
| Max Breaking Current | 5 A AC/DC |
| Casing | 17,5 mm |
| Mounting | On 35 mm symmetrical DIN rail, IEC/EN 60715 |
| Weight | 80 g |
- Control relays monitoring their own power supply
- Over/undervoltage control
- Selectable latching (memory) function
- Over/undervoltage control
- Adjustable time delays
- Control in 50 Hz, 60 Hz or \???
- True RMS measurement
- LED status indication
MUS/MUSF260 Voltage Monitoring Relays
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Product Brochure Product Details:
| Weight | 80 g |
| Range of Adjustment | 65-260 V AC/DC |
| Shocks | 5 g |
| Casing | 17,5 mm |
| Mounting | On 35 mm symmetrical DIN rail, IEC/EN 60715 |
| Reset Time | 1,5 s |
- Control relays monitoring their own power supply
- Over/undervoltage control
- Selectable latching (memory) function
- Over/undervoltage control
- Adjustable time delays
- Control in 50 Hz, 60 Hz or \???
- True RMS measurement
- LED status indication
EUL Voltage Monitoring Relays
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Product Brochure Product Details:
| Frequency of Measured Signal | 40-500 Hz |
| Supply Voltage | 24 V DC |
| Measurement Range | 0,2-60 V |
| Operating Range | 0,85 1,15 Un |
| Maximum Power Consumption | 3 VA / 1 W |
| Output Relay | 1 AgNi changeover, 8 A max |
- Voltage monitoring
- Measurement EUL : 0.2V to 60V
- Measurement EUH : 15V to 600V
- Automatic recognition AC/DC
- Frequency up to 500 Hz
EUH Voltage Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 15-600 V |
| Supply Voltage | 24 V DC |
| Operating Range | 0,85-1,15 x Un |
| Min Breaking Current | 100 mA AC/DC |
| Max Breaking Current | 8 AAC max. |
| Casing | 22,5 mm |
- Voltage monitoring
- Measurement EUL : 0.2V to 60V
- Measurement EUH : 15V to 600V
- Automatic recognition AC/DC
- Frequency up to 500 Hz
HUL Voltage Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 0,2 V-60 V |
| Nominal Voltage | 24-240 V AC/DC |
| Voltage Supply Tolerance | -15 % / +10 % |
| Display Precision | +-10 % of full scal |
| Reset Time | 1500 ms |
| Hysteresis | Adjustable from 5 -50 % of displayed threshold |
- Control of AC and DC voltages
- Automatic recognition of AC/DC
- Measurement ranges HUL from 0.2 V to 60 V
- Measurement ranges HUH from 15 V to 600 V
- Choice between under and overvoltage
- True RMS measurement
- Selectable latching (memory) function
HUH Voltage Monitoring Relays
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Product Brochure Product Details:
| Measurement Range | 15 V-600 V |
| Nominal Voltage | 24-240 V AC/DC |
| Reset Time | 1500 ms |
| Display Precision | +-10% of full scale |
| Hysteresis | Adjustable from 5-50 % of displayed threshold |
| Threshold Adjustment | 10-100 % of the range |
- Control of AC and DC voltages
- Automatic recognition of AC/DC
- Measurement ranges HUL from 0.2 V to 60 V
- Measurement ranges HUH from 15 V to 600 V
- Choice between under and overvoltage
- True RMS measurement
- Selectable latching (memory) function
MNS Level Monitoring Relays
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Product Brochure Product Details:
| Voltage Supply Tolerance | -15 % / +10 % |
| Max Input Current | 1 mA |
| Reset Time | Less than 100 ms |
| Weight | 80 g |
| Protection | IP20 |
| Shocks | 5 g |
- Level control by means of a discrete sensor
