KTO111 STEGO | Alldatasheet
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Switch temperature difference 7 K (±4 K tolerance) Sensor element thermostatic bimetal Contact type snap-action contact Service life 100,000 cycles verified Max. operating voltage, frequency range AC 250 V, 50-60 Hz Max. inrush current AC 16 A for 10 s Connection1 2 Push-In clamps 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 UL94 V-0, light grey Dimensions 60 x 33 x 41 mm Weight ~ 40 g Fitting position variable Operating/Storage temperature -45 to +80 °C (-49 to +176 °F) Operating/Storage humidity < 90 % RH (non-condensing) Protection type/Protection class IP20 / II Overvoltage category/Altitude II: up to 5,000 m; III: up to 2,000 m ¹ Stripped length of rigid wire: 8 to 12 mm. When connecting with wires, wire end ferrules must be used (square or trapezoid crimp). Length of wire end ferrule: 8 mm or 12 mm. 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 thermostats KTO 111 and KTS 111 are two state regulators for use up to 5,000 meters in altitude, thanks to optimised air gap and increased creepage distance. By use of Push-In terminals the thermostat is wired tool-free. The Push-In terminals provide constant pressure on the wires to prevent them from coming loose (e.g. during transport). KTO 111: Thermostat (NC); normally closed for regulating heaters. The contact opens when tempe rature is rising. KTS 111: Thermostat (NO); normally open for regulating of filter fans and heat exchangers or for swit ching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising. > Safe wiring with Push-In connection terminal > Faster and tool-free wiring > Improved air intakes for ventilation > Easy adjustability of switch temperature setting > for use in up to 5,000 m altitude Connection diagrams Thermostat KTO 111 (NC) Thermostat KTS 111 (NO) Examples of connection e.g. Signal deviceThermostat KTS 111 (NO) e.g. FanThermostat KTS 111 (NO) HeaterThermostat KTO 111 (NC) Heater Filter fan, Cooling equipment, Signal device THERMOSTAT SWITCH KTO 111 / KTS 111 Setting range Art. No. Normally closed (NC) Art. No. Normally open (NO) Switching current2/capacity max Approvals AC 250 V AC 120 V DC 24-72 V 0 to +60 °C 11100.0-00 11101.0-00 10 (2) A 15 (2) A 30 W VDE UL File No. E164102 EAC -10 to +50 °C 11100.0-01 11101.0-01 10 (2) A 15 (2) A 30 W VDE UL File No. E164102 EAC +20 to +80 °C 11100.0-02 11101.0-02 3 (2) A 3 (2) A 30 W VDE UL File No. E164102 EAC +32 to +140 °F 11100.9-00 11101.9-00 10 (2) A 15 (2) A 30 W VDE UL File No. E164102 EAC +14 to +122 °F 11100.9-01 11101.9-01 10 (2) A 15 (2) A 30 W VDE UL File No. E164102 EAC