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Thermostat - STO 011/STS 011

STO, STS

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); contact breaker for regulating heaters. The contact opens when temperature is rising.

 

STS 011: Thermostat (NO); contact maker 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.

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  • Thumbwheel setting dial
  • Small hysteresis
  • High switching capacity
  • Anti frost assurance
  • Optimized housing for better air flow

Selected variant

Selected variant

Technical data

General data

Control range temperature from 0 °C
Control range temperature to 60 °C
Tolerance switch off ±3K
Tolerance for switch on ±3K
Hysteresis temperature 4K
Mounting DIN-rail 35mm, quick mount

Rated operating conditions

Inrush max 16 A
Breaking capacity 250 VAC, 10 (2) A / 120 VAC, 15 (2) A. DC: 30W @ 24 VDC, up to 72 VDC
Contact resistance <10 mΩ
Electrical lifetime > 100 000 operations
Connection type 2-pole rigid 2,5 mm² (AWG 14) or stranded 1,5 mm² (AWG 16). Torque 0,8 Nm.
Humidity <90 % RH (non-condensing)
Operational temperature -45°C ... +80°C
Storage temperature -45°C ... +80°C
Life span >1 000 000 operations

*Invisible Heading*

Dimensions

Height 70 mm
Width 33 mm
Depth 42 mm
Weight 0,05 kg
Material plastic housing Plastic

Safety & approvals

Plastic cover Light grey plastic, UL94 V-0
IP class IP20
Approvals CE, cULus, EAC, RoHS, UL E164102, VDE
Country of origin Germany

Product description

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); contact breaker for regulating heaters. The contact opens when temperature is rising.

 

STS 011: Thermostat (NO); contact maker 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.

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Parts Control range temperature from Control range temperature to Control range temperature from Control range temperature to Price
0 °C 60 °C
0 °C 60 °C
32 °F 140 °F
32 °F 140 °F

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