STO011 STEGO | Alldatasheet
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L N L N L N STEGO - PRODUCT CATALOGUE TECHNICAL DATA Switch temperature difference 4 K (±3 K tolerance) Sensor element thermostatic bimetal Contact type snap-action contact Service life > 100,000 cycles Max. switching capacity AC 250 V, 10 (2) A1 / AC 120 V, 15 (2) A1 DC 30 W at DC 24 V to DC 72 V Max. inrush current AC 16 A for 10 s Connection 2-pole terminal, clamping torque 0,5 Nm max.: rigid wire 2.5 mm² (AWG 14) stranded wire 1.5 mm² (AWG 16) Mounting clip for 35 mm DIN rail, EN 60715 Casing plastic according to UL94V-0, light grey Dimensions 70 x 33 x 42 mm Weight ~ 50 g Fitting position variable Operating/Storage temperature -45 to +80 °C (-49 to +176 °F) Operating/Storage humidity < 90 % RH (non-condensing) Protection type IP20 Approvals VDE, UL File No. E164102, EAC ¹ Switching of resistive load (switching of inductive load) 2 When connecting with stranded wires, wire end ferrules must be used. Important note: The contact system of the regulator is subjected to environmental influences, thus the contact resistance may change. This can lead to a voltage drop and/or self-heating of the contacts. The mechanical thermostat is a two state regulator with small hysteresis. The setting wheel has an anti frost assurance. The housing ensures an optimized air circulation around the bimetal. STO 011: Thermostat (NC); normally closed for regulating heaters. The contact opens when temperature is rising. STS 011: Thermostat (NO); normally open for regulating of filter fans and heat exchangers or for switching signal devices when temperature limit has been exceeded. The contact closes when temperature is rising. > Thumbwheel setting dial > Small hysteresis > High switching capacity > Anti frost assurance > Optimized housing for better air flow The anti frost assurance is a symbol on the setting scale of the NC thermostat (STO 011) at +11 °C. This setting assures closing of the switching contact before 0 °C. Connection diagrams Thermostat STO 011 (NC) Thermostat STS 011 (NO) Heater Filter fan, Cooling equipment, Signal device Examples of connection Thermostat STO 011 (NC) Heater Thermostat STS 011 (NO) e.g. Fan Thermostat STS 011 (NO) Signal device min: 24 V; 20 mA THERMOSTAT SWITCH STO 011 / STS 011 Setting range Art. No. Normally closed (NC) Art. No. Normally open (NO) 0 to +60 °C 01115.0-00 01116.0-00 +32 to +140 °F 01115.9-00 01116.9-00 REGULATING