On / Off Temperature Controllers

On-off temperature controllers (also called signallers), are simple temperature control devices. An optimal temperature is preset and when it's exceeded the output switches off. When the temperature falls below the optimal preset, the output switches on. The output value has only an 'on' or 'off' option, with no middle state.

What are on-off temperature controllers used for?

On-off temperature controllers are used for monitoring purposes in heating environments. They prevent rapid increases in temperature that may cause damage to contactors and valves by cutting off the power. These controllers are often used where there isn't a need for precision temperature control. They are beneficial in applications where the system can't handle continuous interruptions. On-off controllers are found in temperature alarms and thermostats.

Types of on-off temperature controllers

A typical example of an on-off temperature controller is the thermostat in a heating system. If the temperature drops below the preset level, the heating system will switch on, and vice versa. Another example is that of a limit controller. It protects a system against overheating or overcooling by shutting down the power if the temperature exceeds a preset level.


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Omschrijving Prijs Input Type Output Type Number of Inputs Number of Outputs Supply Voltage Range Size Minimum Operating Temperature Maximum Operating Temperature Panel Depth IP Rating Mounting Type Series Termination Type
RS-stocknr. 809-1026
FabrikantnummerTC4810-54-110/230VAC
FabrikantTempatron
€ 116,04
Each
Aantal stuks
PT100 - - - 110 → 230 V ac - 48 x 48mm -10°C +50°C 89mm - 1/16 DIN - -
RS-stocknr. 442-0694
Fabrikantnummer6.531.012.300
FabrikantKubler
€ 133,63
Each
Aantal stuks
Ni100, PT100 - - - 10 → 30 V dc - 48 x 24 (1/32 DIN)mm -20°C +65°C 59mm IP65 - CODIX 531 -
RS-stocknr. 344-568
FabrikantnummerTC4810-04-110/240VAC
FabrikantTempatron
€ 120,88
Each
Aantal stuks
K Type Thermocouple - - - 110 → 240 V ac 0 → +800 °C 48 x 48mm -10°C +50°C 89mm - 1/16 DIN - -
RS-stocknr. 535-0748
FabrikantnummerE5C2-R20K AC100-240 0-1200
FabrikantOmron
€ 143,80
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 535-0811
FabrikantnummerE5C2-R40K AC100-240 0-800
FabrikantOmron
€ 146,00
Each
Aantal stuks
K Type Thermocouple Relay - 1 100 → 240 V ac - 48 x 48mm -10°C +55°C 86.7mm IP00, IP40, IP66 - E5C2 -
RS-stocknr. 762-2149
FabrikantnummerID+974-12V+NTC
FabrikantEliwell
€ 155,14
Each
Aantal stuks
NTC, PTC, RTD Digital 2 1 12 V -55 → +140 °C 74 x 32mm -5°C +55°C 60mm IP65 - IDPlus -
RS-stocknr. 613-7798
Fabrikantnummer701540/831-02
FabrikantJumo
€ 108,43
Each
Aantal stuks
Current 1 Relay - 1 230 V ac - 76 x 36 mmmm 0°C +55°C - IP20, IP65 Panel Mount di eco -
RS-stocknr. 328-1139
FabrikantnummerE5C2-R20K AC100-240 0-600
FabrikantOmron
€ 143,80
Each
Aantal stuks
K Type Thermocouple - - - 100 → 240 V ac 0 → 600 °C 48 x 48mm -10°C +55°C 86.7mm - - E5C2 -
RS-stocknr. 124-1051
FabrikantRS PRO
€ 75,64
Each
Aantal stuks
J Type Thermocouple Relay 1 1 230 V ac -30 → +400 °C 77 x 35mm 0°C +50°C 61mm IP20, IP65 Panel Mount - Screw
RS-stocknr. 124-1074
FabrikantRS PRO
€ 75,12
Each
Aantal stuks
Current, Voltage None 4 - 24 V ac - 77 x 35mm 0°C +50°C 71mm IP20, IP65 Panel Mount - Screw
RS-stocknr. 124-1049
FabrikantRS PRO
€ 71,71
Each
Aantal stuks
NTC Relay 2 3 230 V ac -60 → +150 °C 77 x 35mm 0°C +50°C 61mm IP20, IP65 Panel Mount - Screw
RS-stocknr. 124-1073
FabrikantRS PRO
€ 75,12
Each
Aantal stuks
Current, Voltage - 4 - 230 V ac - 77 x 35mm 0°C +50°C 71mm IP20, IP65 Panel Mount - Screw
RS-stocknr. 500-1165
Fabrikantnummer701060/832-31
FabrikantJumo
€ 128,93
Each
Aantal stuks
Current 2 Relay - 2 12 → 24 V dc, 24 V ac - 76 x 36mm 0°C +55°C 56mm - Panel Mount eTRON -
RS-stocknr. 509-0884
FabrikantnummerDR 985 PTC
FabrikantEliwell
€ 272,87
Each
Aantal stuks
PTC - - - 230 V ac - 70 x 85mm -5°C +55°C 61mm - - DR 985 -
RS-stocknr. 841-7958
Fabrikantnummer6.564.010.309
FabrikantKubler
€ 294,62
Each
Aantal stuks
mV, PT100, Resistance, Thermocouple - - - 10 → 30 V dc - 96 x 48mm -20°C +65°C 90.5mm - - CODIX 564 -
RS-stocknr. 511-7478
FabrikantnummerIR33C0LR00
FabrikantCarel
€ 143,12
Each
Aantal stuks
NTC - - - 12 → 24 V ac -50 → +90 °C 76.2 x 34.2mm -10°C +50°C 94mm - - IR33 -
RS-stocknr. 344-580
FabrikantnummerTC4830-04-110/230VAC
FabrikantTempatron
€ 135,12
Each
Aantal stuks
K Type Thermocouple Relay - 1 110 → 230 V ac - 48 x 48mm - - 91mm IP40 1/16 DIN - -
RS-stocknr. 875-1214
FabrikantRS PRO
€ 195,33
Each
Aantal stuks
Linear, RTD, Thermocouple Relay 1 2 100 → 240 V ac - 48 x 96mm 0°C +50°C 86.6mm IP65, NEMA 4X 1/8 DIN (H) RS PRO Screw
RS-stocknr. 467-147
Fabrikantnummer701061/820-32/236
FabrikantJumo
€ 188,13
Each
Aantal stuks
RTD 4 Relay - 4 12 → 24 V ac/dc - 76 x 36 mmmm 0°C +55°C - - Panel Mount eTRON M100 -
RS-stocknr. 809-1054
FabrikantnummerMINITHERM6-MCU-230V
FabrikantTempatron
€ 35,37
Each
Aantal stuks
NTC - - - 230 V ac - 70 x 45mm -20°C +65°C 22mm - - - -
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