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Temperature Monitoring Relays:

146 Products Found

Farnell provides temperature monitoring relays designed to protect equipment from overheating. With adjustable trip points and fast response times, these relays prevent thermal damage and improve system longevity.

Temperature monitoring relays measure the temperature of electrical equipment and surrounding environments. When a set threshold is exceeded, the relay triggers cooling or system shutdown to prevent overheating.

Key Features:

  • Adjustable temperature thresholds for precise protection.
  • Fast response time to prevent thermal damage.
  • Compatible with thermocouples and RTDs.

Applications:

  • HVAC Systems – Protect compressors and heating elements from overheating.
  • Industrial Motors – Prevent motor damage due to high temperatures.
  • Renewable Energy – Ensure stable operation in solar and wind systems.
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Supply Voltage AC Max
Supply Voltage DC Max
Thermocouple Type
Temperature Monitoring Min
Operating Temperature Max
Temperature Monitoring Max
Operating Temperature Min
Temperature Accuracy ±
Output Voltage Max
Contact Current
Switching Voltage Max
Contact Configuration
Relay Mounting
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3223720

RoHS

Each
1+
CHF 217.460
Total:CHF 217.46
Min: 1 / Mult: 1
24V
-
-
0°C
-
200°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3223713

RoHS

Each
1+
CHF 265.220
Total:CHF 265.22
Min: 1 / Mult: 1
240V
24V
-
-50°C
-
50°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3223719

RoHS

Each
1+
CHF 253.850
Total:CHF 253.85
Min: 1 / Mult: 1
240V
24V
-
0°C
-
200°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3223712

RoHS

Each
1+
CHF 273.160
Total:CHF 273.16
Min: 1 / Mult: 1
240V
24V
-
-50°C
-
50°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3483601

RoHS

Each
1+
CHF 111.080
Total:CHF 111.08
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
3A
250VAC
1NO / 1NC
DIN Rail
SIRIUS 3RN2 Series
3483593

RoHS

Each
1+
CHF 75.620
Total:CHF 75.62
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
SPDT
DIN Rail
SIRIUS 3RN2 Series
4244799

RoHS

Each
1+
CHF 77.160
5+
CHF 75.620
10+
CHF 74.070
Total:CHF 77.16
Min: 1 / Mult: 1
230V
-
-
-
-
-
-
-
-
8A
400V
DPDT
DIN Rail
70 Series
4312769

RoHS

Each
1+
CHF 133.010
Total:CHF 133.01
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
DTA02 Series
4312767

RoHS

Each
1+
CHF 102.470
Total:CHF 102.47
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
DTA71 Series
3483594

RoHS

Each
1+
CHF 84.480
Total:CHF 84.48
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
3A
250VAC
SPDT
DIN Rail
SIRIUS 3RN2 Series
3483612

RoHS

Each
1+
CHF 194.870
Total:CHF 194.87
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3484636

RoHS

Each
1+
CHF 153.360
Total:CHF 153.36
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS11 Series
3484618

RoHS

Each
1+
CHF 503.280
Total:CHF 503.28
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS10 Series
3483608

RoHS

Each
1+
CHF 138.360
Total:CHF 138.36
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3483621

RoHS

Each
1+
CHF 226.050
Total:CHF 226.05
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3483600

RoHS

Each
1+
CHF 97.440
Total:CHF 97.44
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
1NO / 1NC
DIN Rail
SIRIUS 3RN2 Series
3483607

RoHS

Each
1+
CHF 130.560
Total:CHF 130.56
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3483597

RoHS

Each
1+
CHF 106.210
Total:CHF 106.21
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3484611

RoHS

Each
1+
CHF 257.040
Total:CHF 257.04
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS10 Series
3484647

RoHS

Each
1+
CHF 254.840
Total:CHF 254.84
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS11 Series
3483609

RoHS

Each
1+
CHF 130.560
Total:CHF 130.56
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3484589

RoHS

Each
1+
CHF 155.520
Total:CHF 155.52
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS10 Series
3484583

RoHS

Each
1+
CHF 153.360
Total:CHF 153.36
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
SIRUS 3RS10 Series
3483611

RoHS

Each
1+
CHF 176.140
Total:CHF 176.14
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
3483618

RoHS

Each
1+
CHF 226.050
Total:CHF 226.05
Min: 1 / Mult: 1
24V
24V
-
-25°C
-
60°C
-
-
-
3A
250VAC
DPDT
DIN Rail
SIRIUS 3RN2 Series
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