Category

Monitoring Relays (179)

Zener & Galvanic Barriers (1)

Mounting Type

DIN Rail (170)

Plug In (2)

Clip-On (1)

Maximum Operating Temperature

+60°C (145)

+55°C (12)

+50°C (5)

+70°C (2)

+45°C (1)

+55 °C @ B300, +70 °C @ C300 (1)

Minimum Operating Temperature

-20°C (90)

-25°C (58)

-10°C (7)

-40°C (6)

-15°C (3)

Contact Configuration

SPDT (75)

DPDT (74)

3PST (2)

2 x SPNO (1)

DP-NO/NC (1)

DPST (1)

SPST (1)

Electrical Phase

3 (78)

1 (35)

1, 3 (11)

3, 3+N (4)

2 (3)

Terminal Type

Screw (122)

Push In (7)

Voltage Sensitivity

Overvoltage, Undervoltage (63)

Undervoltage (15)

Frequency, Overvoltage, Phase Asymmetry, Phase Failure, Phase Sequence, Undervoltage (9)

Overvoltage Protection, Undervoltage Protection (4)

Motor Voltage (1)

Overvoltage (1)

Undervoltage, Window (1)

Number of Poles

1 (51)

2 (18)

0 (1)

Current Sensitivity

Overcurrent, Undercurrent (20)

Overcurrent (1)

Temperature Sensitivity

Overtemperature, Winding Temperature (8)

Overtemperature, Temperature Window Monitoring, Undertemperature (6)

Overtemperature (3)

Overtemperature, Undertemperature (1)

Special Features

Adjustment for Trip Level & Time Delay (12)

Automatic Recovery on Fault Removal, LED Indication for All Failure Conditions (1)

Automatic Reset, Fail-Safe, Inbuilt PTC Sensor, Insufficient Cooling Protection, One Measuring Circuit, Over Heating Protection, Over Load Protection (1)

Fixed Time Delay (1)

IP20 Touch Safe Terminals (1)

NFC, Programmable Functions (1)

Maximum Temperature Sensed

+85°C (4)

+100°C (2)

+200°C (2)

+50°C (2)

+80°C (2)

+999°C (2)

Minimum Temperature Sensed

0°C (6)

-25°C (2)

-50°C (2)

+100°C (1)

-20°C (1)

Standards Met

CE, CSA, UL (4)

CE (2)

CE, cULus, EAC (2)

CCC CCC, CE CE (1)

CCC, CE, CSA, cURus (1)

CCC, CE, EAC, UL (1)

RoHS Compliant (1)

Temperature Sensing Range

0 → +100°C (2)

0 → +200°C (2)

0 → +999°C (2)

-20 → +60°C (2)

-50 → +50°C (2)

-20 → +45°C (1)

Hazardous Area Certification

ATEX (5)

ATEX, IECEx (1)

Select quantity

RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail

RS Stock No. 102-6131

Brand RS Pro

Frequency Sensing Range: 48 → 63Hz
Maximum Operating Temperature: +60°C
Voltage Sensitivity: Overvoltage, Undervoltage

AED 311.63

37 in stock now

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RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS Stock No. 223-7788

Brand RS Pro

Frequency Sensitivity: Overfrequency, Underfrequency
Operating Temperature Range: -10 → +60°C
Phase Sensitivity: Phase Loss, Phase Sequence, Phase Asymmetry

AED 550.28

29 in stock now

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RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail

RS Stock No. 102-6134

Brand RS Pro

Current Range: 1 → 10A
Frequency Sensing Range: 48 → 63Hz
Time Delay: 0.1 → 30s

AED 550.79

117 in stock now

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RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, Maximum of 500 V, DIN Rail

RS Stock No. 102-6133

Brand RS Pro

Contact Configuration: SPDT
Maximum Voltage Sensed: 500V
Mounting Type: DIN Rail

AED 550.79

46 in stock now

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RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 280 V, DIN Rail

RS Stock No. 102-6135

Brand RS Pro

Category: Monitoring Relays
Maximum Voltage Sensed: 280V
Terminal Type: Screw

AED 298.80

20 in stock now

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RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS Stock No. 102-6136

Brand RS Pro

Frequency Sensing Range: 48 → 63Hz
Terminal Type: Screw
Width: 17.5mm

AED 312.86

27 in stock now

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RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS Stock No. 102-6137

Brand RS Pro

Category: Monitoring Relays
Number of Poles: 1
Time Delay: 0.2 → 10s

AED 404.33

20 in stock now

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Dold Frequency Monitoring Relay, SPDT, DIN Rail

RS Stock No. 656-6269

Brand Dold

Contact Configuration: SPDT
Frequency Sensing Range: 5 → 200Hz
Operating Temperature Range: -20 → +60°C

AED 1.055.03

Temporarily out of stock

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Lovato Frequency Monitoring Relay, 3 Phase, SPDT

RS Stock No. 248-3495

Brand Lovato

Category: Monitoring Relays
Contact Configuration: SPDT
Electrical Phase: 3

AED 1.148.91

Temporarily out of stock

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Crouzet Frequency Monitoring Relay, DP-NO/NC, DIN Rail

RS Stock No. 026-1971

Brand Crouzet

Category: Monitoring Relays
Minimum Frequency Sensed: 40Hz
Width: 35mm

AED 1.120.43

in stock now

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Dold Frequency Monitoring Relay, SPDT, DIN Rail

RS Stock No. 181-2792

Brand Dold

Frequency Sensitivity: Overfrequency, Underfrequency
Minimum Frequency Sensed: -5Hz
Time Delay: 0 → 20 s, 0 → 30s

AED 1.189.55

Temporarily out of stock

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Dold Frequency Monitoring Relay, SPDT, DIN Rail

RS Stock No. 181-2793

Brand Dold

Category: Monitoring Relays
Frequency Sensing Range: ±5Hz
Length: 22.5mm

AED 1.189.55

Temporarily out of stock

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ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT

RS Stock No. 876-2554

Brand ABB

Maximum Operating Temperature: +60°C
Monitoring Application: Frequency, Voltage
Special Features: Autotest Function, Monitoring of ROCOF (Rate of Change of Frequency), Multiline Backlit LCD Display

AED 3.620.40

Temporarily out of stock

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Schneider Electric Frequency Monitoring Relay, DPDT, DIN Rail

RS Stock No. 014-6193

Brand Schneider Electric

Length: 72mm
Maximum Operating Temperature: +50°C
Monitoring Application: Frequency

AED 971.70

in stock now

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Dold Frequency Monitoring Relay, SPDT, DIN Rail

RS Stock No. 656-6253

Brand Dold

Category: Monitoring Relays
Dimensions: 58 x 17.5 x 90mm
Operating Temperature Range: +60°C

AED 660.69

Temporarily out of stock

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ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT, DIN Rail

RS Stock No. 876-2557

Brand ABB

Electrical Phase: 1, 3
Frequency Sensitivity: Overfrequency, Underfrequency
Maximum Operating Temperature: +60°C

AED 3.620.40

3 in stock now

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Carlo Gavazzi Frequency Monitoring Relay, SPDT, 24 → 240V ac, DIN Rail

RS Stock No. 276-3428

Brand Carlo Gavazzi

Category: Monitoring Relays
Contact Configuration: SPDT
Voltage Sensing Range: 24 → 240V ac

AED 843.93

Temporarily out of stock

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ATC Frequency, Phase, Voltage Monitoring Relay, 2 Phase, SPDT, 300 → 600V ac, DIN Rail

RS Stock No. 028-6817

Brand ATC

Category: Monitoring Relays
Contact Configuration: SPDT
Voltage Sensitivity: Frequency, Overvoltage, Phase Asymmetry, Phase Failure, Phase Sequence, Undervoltage

AED 936.68

in stock now

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Carlo Gavazzi Frequency, Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 102 → 318V ac, DIN Rail

RS Stock No. 165-1484

Brand Carlo Gavazzi

Frequency Sensitivity: Overfrequency, Underfrequency
Maximum Frequency Sensed: 440Hz
Mounting Type: DIN Rail

AED 835.95

22 in stock now

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Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

RS Stock No. 181-2790

Brand Dold

Mounting Type: DIN Rail
Voltage Sensing Range: 15 → 280 V ac, 30 → 550V ac
Width: 97mm

AED 1.189.55

2 in stock now

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Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

RS Stock No. 181-2791

Brand Dold

Contact Configuration: DPDT
Maximum Operating Temperature: +60°C
Terminal Type: Screw

AED 1.189.55

Temporarily out of stock

Select quantity

GIC Frequency Monitoring Relay, 2 Phase, SPDT, DIN Rail

RS Stock No. 794-3945

Brand GIC

Dimensions: 22.5 x 100.5 x 75mm
Maximum Operating Temperature: +60°C
Minimum Operating Temperature: -15°C

AED 225.98

1 in stock now

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Siemens Frequency, Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 760V ac, DIN Rail

RS Stock No. 014-9165

Brand Siemens

Category: Monitoring Relays
Monitoring Application: Frequency, Phase, Voltage
Voltage Sensing Range: 90 → 760V ac

AED 1.046.58

in stock now

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Siemens Frequency, Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 760V ac, DIN Rail

RS Stock No. 014-9169

Brand Siemens

Electrical Phase: 3
Voltage Sensing Range: 90 → 760V ac
Voltage Sensitivity: Frequency, Overvoltage, Phase Asymmetry, Phase Failure, Phase Sequence, Undervoltage

AED 1.179.14

in stock now

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"FREQUENCY MONITORING RELAY"

RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail

RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail

RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, Maximum of 500 V, DIN Rail

RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 280 V, DIN Rail

RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

Dold Frequency Monitoring Relay, SPDT, DIN Rail

Lovato Frequency Monitoring Relay, 3 Phase, SPDT

Crouzet Frequency Monitoring Relay, DP-NO/NC, DIN Rail

Dold Frequency Monitoring Relay, SPDT, DIN Rail

Dold Frequency Monitoring Relay, SPDT, DIN Rail

ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT

Schneider Electric Frequency Monitoring Relay, DPDT, DIN Rail

Dold Frequency Monitoring Relay, SPDT, DIN Rail

ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT, DIN Rail

Carlo Gavazzi Frequency Monitoring Relay, SPDT, 24 → 240V ac, DIN Rail

ATC Frequency, Phase, Voltage Monitoring Relay, 2 Phase, SPDT, 300 → 600V ac, DIN Rail

Carlo Gavazzi Frequency, Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 102 → 318V ac, DIN Rail

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

GIC Frequency Monitoring Relay, 2 Phase, SPDT, DIN Rail

Siemens Frequency, Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 760V ac, DIN Rail

Siemens Frequency, Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 760V ac, DIN Rail