Frequency

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Frequency

Product Categories

Soft Starters

Accessories

Indicators

Phase IndicatorsBuzzersLED IndicatorsTower Lights & SirensAccessories

Push Buttons & Switches

Modular Push ButtonsMonoblock Selector SwitchesAccessoriesMonoblock Push ButtonsModular Selector SwitchesMonoblock Key SwitchesModular Key Switches

Sale & Clearance

On DelayMulti FunctionStaircase TimerBrown Out (Mains Restoration)Earth LeakageFrequencyExpandableBase Units (CPU)Digital Pulse CounterDigital Hours Run Counter

Counters

Digital Hours Run CounterDigital Pulse CounterDigital Rate Indicator and Digital TotaliserPulse CounterAccessoriesHours Run Counter

Current TransformersDC Power Supplies & DC-UPS

Uninterruptable (UPS)

Fuses & Fuse Holders

FusesAccessoriesFuse Holders

GSM (SMS) Messaging and ControlHMI's (Human Machine Interface)Intelligent (Smart) Relays

ExpandableExpansion ModulesStand AloneAccessories

Monitoring Relays

Safety EdgeFrequencyEarth LeakageDiode BoxSpeed/StandstillTrip Amp3-Phase Voltage (Phase Failure)Single Phase CurrentSingle Phase VoltageThermistor Over TemperatureLiquid Level

Motor Load (kW) Monitors & Transducers

Load TransducerAccessoriesLoad Monitor

Panel Meters

VoltmetersFrequencyAmmetersScales

PLC's

AccessoriesBase Units (CPU)Expansion Modules

Protocol/Interface/Signal ConvertersRelays

Miniature Industrial RelayPower RelayMiniature Power RelayGeneral Purpose RelayPCB RelayModular Step & Bistable RelayInterface RelayAccessoriesSockets

Stepper Motor Controllers and DC Servo DrivesTemperature ControllersTime Delay Relays

Brown Out (Mains Restoration)Staircase TimerRun Back TimerMulti FunctionStar-Delta Start TimerAsymmetrical RecyclerSymmetrical RecyclerOn Pulse/Interval/Single ShotTrue Off DelayOff DelayOn Delay

Time Switches

Mechanical (Tappet Controlled)AccessoriesDigital Programmable

Manufacturer

DFUnipowerWECONRievtechMOXATeltonikaTHIIMFinderHugo MullerGICHIQUELGeckodriveTaiwan MetersECUFairfordEsbeeEYC

Function

Temperature ControllerPanel ThermostatLoad TransducerMachine ProtectionMechanical TimeswitchDigital TimeswitchPulse CounterHours Run CounterTemperature SensorInverse Time CurrentOver FrequencyOver and Under FrequencyEarth LeakageAnalogue Output SimulatorDiode BoxNeutral Loss DetectionSpeed/StandstillPhase FailureUnder SpeedTrip AmpDC Over CurrentDC Under CurrentAC Under CurrentAC Over CurrentBrown Out (mains restoration)DC over voltageDC under voltageAC over voltageAC under voltageUnder and Over VoltagePTC ThermistorPTC Thermistor over temperatureLiquid Level ControlStair Case TimerRun Back TimerMulti FunctionStar-Delta Start TimerAsymmetrical RecyclerSymmetrical RecyclerOn Pulse/Interval/Single Shot supply operatedTrue Off DelayOff DelayOn DelaySafety Edge MonitoringDelayed PulsePulseIntervalDigital Hours Run CounterDigital Pulse CounterDigital Rate Indicator and Digital Totaliser

Timing Range

3Phase Astro7 day24hr24hr / 7 day / Year24hr / 7 day24hr / 7 day / Astro0.3s - 30s0.1s - 10s500ms - 20 hrs500ms - 100 Hrs99 Hrs 59 mins 59s9 Hrs 59 mins0.1s - 999 Days0.1s - 120 Days0.1s - 999 Hrs0.1s - 60s3s - 30s3s - 120s0.8s - 60s0.3s - 120s0.1s - 10 Days0.6s - 10 mins0.1s - 3 mins0.1s - 10 Hrs0.3s - 30 Hrs0.1s - 100 Hrs50ms - 10 Days50ms - 3 Mins

Monitoring Range

-10 - 55°C0 - 60°C-20 - 40°C0-600rpm3 - 10A2 - 10A1 - 10A0 - 10A500 - 9000 Rpm10 - 2000 Rpm0.25 - 5A0 - 450V0.5 - 600V-50 - 50°C, 0 - 100°C, 100 - 200°C, 200 - 300°C-50 - 50°C0 - 100°C-50 - 0°C0 - 50°C0 - 200°C

Supply Voltage

30Vdc0.3A125Vdc6Vdc240Vac28Vdc110Vdc5Vdc125Vac60Vdc60Vac48Vdc3x500Vac48Vac220Vac440Vac380Vac3x110Vac3x380Vac3x415Vac3x440Vac3x400Vac400Vac415Vac12Vdc12Vac110Vac230Vac24Vdc24Vac150V20V300V40V500V400V115Vac240Vdc3X200Vac64Vac64Vdc30Vac220Vdc

Mounting

Socket mountFlange mount8 pin plug-inplug-inPCB MountWall MountScrew Mount14 pin plug-inPanel Mount11 pin plug-inDIN RailClip On

Size

10 x 30 gG9 x 30 gG22 x 5814 x 5110 x 3815.5mm33.5mm32.2mm38.2mm32.5mm27mm40.8mm20.7mm15.8mm12.6mm12.4mm5mm14mm105mm70mm56mm52.5mm35.5. x 31.158.4mm24 x 4856 x 29mm56 x 48mm56 x 26mm67mm70.5mm52.1 x 26.2mm40.6 x 27.4mm50 x 25mm50 x 2572 x 7255 x 5596mm95mm110.8 x 36.5mm20mm195 x 110mm72mm35mm67.5mm36mm10 x 38 gG20.6mm48 x 4811.25mm45mm17.5mm22.5mm14 x 51 gG22 x 58 gG10 x 38 aM14 x 51 aM22 x 58 aM96 x 96108mm62mm4.3 inch10.2 inch3.5 inch7 inch55mm10 x 38, 14 x 51, 22 x 5816mm60mm110mm53mm64mm25.5mm21mm

Rating

0.5A16A12A10A8A6A4A2A1A20A25A32A40A50A63A80A100A125A5A30A1000:52000:52500:53000:5100:5200:5300:5400:550:5500:560:575:5600:5700:5750:5800:51200:51500:51000A120A1500A150A15A200A250A300A400A500A600A60A800A2.2kW3kW4kW5.5kW7.5kW11kW15kW18.5kW22kW

Output Relay Rating

30A @ 250V7A @ 250VAc20A @ 250V2 x 8A @ 250V 2 x 5A @ 250V1 x 8A @ 250V 2 x 5A @ 250V16A @ 240V16A @ 250V4 X 3A @ 250V 4 X 10A @ 250V10A @ 250V8A @ 250V5A @ 240Vac12A @ 250V16A @ 230V7A @ 230V6A @ 250V12A @ 230V8A @ 240V5A @ 250V8A @ 230V5A @ 230V5A @ 240V10A @ 230V6A @ 230V3A @ 230V6A @ 230Vac

Output Relay Type

3PCO1 X SPNC1 X SPNO2 X SPNC1 X 0-10V, 1 X 0-20mA, 1 X Pulsed0-20mA,4-20mA,0-10V1 X SPCO4 X SPCO3 X SPCO2 X SPNO 2 X PNP1 X SPCO 1 X SPNO0-20mA0-10V4 X DPCO, SMS, Email, Call4 X 0-10V4 X PNP4 x 0-20mA8 X SPNO6 X SPNO4 X SPNO1 X SPNO 1 X SPNC103412223 X SPNOSPNO4PCO2 X SPNODCPO2 x SPCOThyristorSPCODPCO4 X SPNO, SMS6 X Photomos4-20mA2 X MOSFET1 X SPCO, 2 X 0-10VSPNC20-0mA20-4mA0-1V0.2-1V0-5V1-5V2-10V1-0V1-0.2V5-0V5-1V10-0V10-2VTransistor

Input

PT100BSREKJ6 X Analogue12 X Digital4 X Analogue24Vac/dcCallSMS2 X Analogue4 X PT10002 X PT1004 x 0-20mA4 X 0-10V4 X Digital2 Analogue8 X Digital6 X Digital123410220-10V2-10V0-1V0-5V0.2-1V1-5V0-20mA4-20mAPT10PT20PT50PT200PT250PT300PT400PT500PT10002/3/4wNTU0-10K ?10-100 ?

Output Voltage

Output Power

96W12W24W60W72W240W18W

Connection

D-SUB9 maleMODULAR JACK 8MODULAR JACK 6Screw TerminalsD-SUB9 femaleEthernetRS232RJ11RS422RS4854-20mA0-20mA 0-10Vdc2-10VdcWIFIGPRSCAN Bus3 Wire4 Wire

Positions

2 Without Return2 With Return3 With Return3 With Return Right3 With Return Left3 Without Return

Angle of Throw

0° to 45°-45° to 45°0° to 90°

Colour

RedGreenYellowBlueBlackWhiteOrangeGreen & RedWhite & BlackGreyChrome

Sound Pressure Level

80dB

Protection

IP20IP40IP65IP55IP30IP50IP66IP54IP42IP41IP39IP38IP37IP36IP35IP34IP33IP32IP31IP29IP28IP27IP26IP25IP24IP23IP22IP21IP19IP18IP17IP16IP15IP14IP13IP12IP11IP10IP9IP8IP7IP6IP5IP4IP3IP2IP1IP0

Terminal Type

Screw Terminals

Certifications

urcerohsulculcurus

Also available from

RS ComponentsFarnellRapid ElectronicsSmart Process & ControlTLA

Style

FlushExtendedMushroomSymmetric HeadLevel HeadLever Head

Special Features

Hand / Off / Auto SwitchDigital DisplayExternal InputAdjustable Reaction TimerSMSAdjustable On Delay TimerDCF FunctionBattery ReserveRS232RS485Green LEDDiodeLockable test buttonMechanical IndicatorLEDVaristorDouble LEDIlluminated

Show only products on sale In stock only

02301087
MI81BJ
Over Frequency, 110 – 230Vac, SPCO

Frequency, Monitoring Relays
Stock: 2
_{List Price}£28.88
Add to basket
1 2 5 7
£28.88 £25.99 £24.55 £23.10
02300087
MI81BL
Over and Under Frequency, 110Vac, 240Vac, SPCO

Frequency, Monitoring Relays
Stock: 13
_{List Price}£28.01
Add to basket
1 2 5 7
£28.01 £25.21 £23.81 £22.41
02301055
Sale!
MI91BJ
Over Frequency, 230Vac, 440Vac, SPCO

Frequency, Frequency, Sale & Clearance, Monitoring Relays
Stock: 24
_{List Price}£17.00
Add to basket
02300055
MI91BL
Over and Under Frequency, 230Vac, 440Vac, SPCO

Frequency, Monitoring Relays
Stock: 120
_{List Price}£29.62
Add to basket
1 2 5 7
£29.62 £26.66 £25.18 £23.70

MI91BJ

MI81BJ

MI81BL

MI91BL

Frequency / Product Categories

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