STEGO NC Enclosure Thermostat, 250 V ac

Stego Compact Click Dial Thermostats. Stego STO 011 / STS 011 series compact thermostats are two state regulators with small hysteresis and high switching capacity. The setting thumbwheel has an anti frost assurance whilst the housing ensures an optimized air circulation around the bimetal. The STO 011 (stock no. ; 743-1296 743-1296 ) thermostat (normally closed) is a contact breaker for regulating heaters. The STS 011 (stock no. ; 743-1290 743-1290 ) thermostat (normally open) is a contact maker for regulation of filter fans and heat exchangers or for switching signal devices when temperature limits have been exceeded. Switch temperature difference: 4K (±3K tolerance) Sensor element: thermostatic bimetal Contact type: snap-action contact Service life: ;100,000 cycles Max. switching capacity: 250 V ac, 10 (2) A; 120 V ac, 15 (2) A; 30 W dc at 24V dc to 72 V dc Max. inrush current: 16 A ac for 10 sec. Connection: 2-pole terminal for 2.5mm² (AWG 13), torque 1Nm max. Mounting: clip for 35mm DIN rail, EN 60715 Casing: plastic according to UL94 V-0, light grey Dimensions: 70 x 33 x 42mm Weight: approx. 50g Fitting position: variable Operating / Storage temperature: -45 °C to +80 °C (-49 to +176°F) Operating / Storage humidity: max. 90% RH (non-condensing) Protection type: IP20