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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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4163413

RoHS

Each
1+
CHF 50.700
5+
CHF 49.680
10+
CHF 48.660
Total:CHF 50.70
Min: 1 / Mult: 1
230V
230V
-
-15°C
-
60°C
-
-
-
5A
240VAC
SPST-NO, SPST-NO
DIN Rail
-
4163411

RoHS

Each
1+
CHF 52.080
5+
CHF 51.040
10+
CHF 50.000
Total:CHF 52.08
Min: 1 / Mult: 1
440V
-
-
-15°C
-
60°C
-
-
-
5A
250VAC
DPDT
DIN Rail
-
4163419

RoHS

Each
1+
CHF 78.420
Total:CHF 78.42
Min: 1 / Mult: 1
240V
240V
-
-10°C
-
55°C
-
-
-
10A
250VAC
SPDT
DIN Rail
-
4163410

RoHS

Each
1+
CHF 55.140
5+
CHF 54.040
10+
CHF 52.940
Total:CHF 55.14
Min: 1 / Mult: 1
240V
-
-
-15°C
-
60°C
-
-
-
5A
250VAC
DPDT
DIN Rail
-
2612119

RoHS

Each
1+
CHF 115.310
Total:CHF 115.31
Min: 1 / Mult: 1
24V
24V
E, J, K, T, Pt100, Pt1000
-
55°C
-
-20°C
1%
250VAC
5A
250VAC
SPDT
DIN Rail
K8AK Series
2811519

RoHS

Each
1+
CHF 72.810
5+
CHF 66.300
10+
CHF 64.950
Total:CHF 72.81
Min: 1 / Mult: 1
240V
-
-
-15°C
-
60°C
-
-
-
5A
250VAC
DPDT
DIN Rail
-
2811520

RoHS

Each
1+
CHF 73.280
5+
CHF 66.720
10+
CHF 65.380
Total:CHF 73.28
Min: 1 / Mult: 1
24V
24V
-
-15°C
-
60°C
-
-
-
5A
250VAC
DPDT
DIN Rail
-
3223721

RoHS

Each
1+
CHF 209.480
Total:CHF 209.48
Min: 1 / Mult: 1
24V
-
-
0°C
-
100°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
4163414

RoHS

Each
1+
CHF 59.640
5+
CHF 58.450
10+
CHF 57.250
Total:CHF 59.64
Min: 1 / Mult: 1
400V
-
-
-10°C
-
60°C
-
-
-
5A
240VAC
SPST-NO, SPST-NC
DIN Rail
-
4163409

RoHS

Each
1+
CHF 61.270
5+
CHF 60.040
10+
CHF 58.820
Total:CHF 61.27
Min: 1 / Mult: 1
24V
24V
-
-15°C
-
60°C
-
-
-
5A
250VAC
DPDT
DIN Rail
-
4244798

RoHS

Each
1+
CHF 77.160
5+
CHF 75.620
10+
CHF 74.070
Total:CHF 77.16
Min: 1 / Mult: 1
24V
24V
-
-
-
-
-
-
-
8A
400VAC
DPDT
DIN Rail
70 Series
4469399

RoHS

Each
1+
CHF 122.310
5+
CHF 103.700
10+
CHF 101.630
Total:CHF 122.31
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
8A
250VAC
2 x SPST-NO
DIN Rail
DTA04 Series
3483624

RoHS

Each
1+
CHF 286.890
Total:CHF 286.89
Min: 1 / Mult: 1
240V
240V
-
-25°C
-
60°C
-
-
-
3A
250VAC
1NO / 1CO
DIN Rail
SIRIUS 3RN2 Series
2930888

RoHS

Each
1+
CHF 117.430
5+
CHF 99.560
10+
CHF 97.560
Total:CHF 117.43
Min: 1 / Mult: 1
265V
265V
PTC
-25°C
60°C
60°C
-25°C
-
250VAC
8A
250VAC
SPDT
DIN Rail
DTA72 Series
3223722

RoHS

Each
1+
CHF 224.000
Total:CHF 224.00
Min: 1 / Mult: 1
24V
-
-
0°C
-
100°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3223718

RoHS

Each
1+
CHF 224.000
Total:CHF 224.00
Min: 1 / Mult: 1
24V
-
-
-50°C
-
50°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3413146

RoHS

Each
1+
CHF 65.430
Total:CHF 65.43
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
K8AK Series
3223716

RoHS

Each
1+
CHF 247.080
Total:CHF 247.08
Min: 1 / Mult: 1
240V
24V
-
0°C
-
200°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3372531

RoHS

Each
1+
CHF 65.190
Total:CHF 65.19
Min: 1 / Mult: 1
240V
-
-
-
-
-
-
-
-
4A
250VAC
SPST
DIN Rail
CM-MSE Series
3223714

RoHS

Each
1+
CHF 265.220
Total:CHF 265.22
Min: 1 / Mult: 1
240V
24V
-
0°C
-
100°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
2811541

RoHS

Each
1+
CHF 70.030
5+
CHF 63.780
10+
CHF 62.480
Total:CHF 70.03
Min: 1 / Mult: 1
400V
-
-
-
-
-
-
-
-
-
-
SPST-NO, SPST-NO
DIN Rail
-
3223717

RoHS

Each
1+
CHF 217.460
Total:CHF 217.46
Min: 1 / Mult: 1
24V
-
-
-50°C
-
50°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3413148

RoHS

Each
1+
CHF 65.430
Total:CHF 65.43
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
K8AK Series
3223715

RoHS

Each
1+
CHF 273.160
Total:CHF 273.16
Min: 1 / Mult: 1
240V
24V
-
0°C
-
100°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
3223724

RoHS

Each
1+
CHF 224.000
Total:CHF 224.00
Min: 1 / Mult: 1
24V
-
-
0°C
-
200°C
-
-
-
4A
230V
DPDT
DIN Rail
CM Series
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