STS STO 011 Compact Thumbwheel Thermostat

Features

• Adjustable Thumbwheel Settings
• DIN Rail Mount with Spring Clamp
• 100,000 cycle rating at 100-250VAC
• Red Dial for Heating and Blue for Cooling
• Compact and lightweight
• Voltage: 120VAC, 250VAC, 30VDC
• VDE, CE, RoHS
• IP 20 Protection
• Operating Temperature Range: -30 to 176°F(-35C to 800°C)

Specifications

• Contact Type: NC / open on rise
• Scale / Range: 32 to 140 °F
• Voltage: 250 VAC max.
• Agency Approvals: UL, VDE submitted
• Max. Inrush Current: AC 16 A for 10 sec.
• Sensor Element: Thermostatic bi‑metal
• Switching Difference (Hysteresis): 7 °F ± 5.4 °F (4 K ± 3 K)
• Service Life: > 100,000 cycles
• Switching Capacity (Max. Load): 15 A resistive / 2 A inductive at 120 VAC; 10 A resistive / 2 A inductive at 250 VAC; DC 30 W (24–72 VDC)
• Minimum Load: 20 mA (all voltages)
• Connection: 2‑pole terminal for AWG 14 max. (2.5 mm²), torque 1 Nm max.
• Mounting: Clip for 35 mm DIN rail (EN 60 715)
• Dimensions (H × W × D): 2.76 × 1.3 × 1.65 inches (70 × 33 × 42 mm)
• Housing: Plastic, UL 94V‑0, light gray
• Weight (Approx.): 1.8 Oz (50 g) 
• Operating/Storage Temperature: ‑49 to 158 °F (‑45 to 70 °C)
• Protection Type: IP20 

Model Numbers
ST 011 15.9-00    NC, 32 - 140°F Thumbwheel Thermostat
ST 011 15.0-00    NC, 0 - 60°C Thumbwheel Thermostat
ST 011 16.9-00    NO, 32 - 140°F Thumbwheel Thermostat
ST 011 16.0-00    NO, 0 - 60°C Thumbwheel Thermostat