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    STEGO Thermostat switch contact breaker STO 011

    THERMOSTAT SWITCH NC normally closed

    STO 011
    The mechanical thermostat opens when the temperature rises. Used for regulating heaters or switching signal devices in the event that the temperature limit is exceeded. The bimetal thermostat has a small hysteresis and an anti-frost setting.
    • Resting adjustment dial
    • Small hysteresis allows for precise regulation
    • Anti-frost setting
    • Optimised air inlets
    • High switching capacity
    to product variants

    Overview Technical Data

    4 K (±3 K tolerance)
    thermostatic bimetal
    snap-action contact
    > 100,000 cycles
    AC 250 V, 10 (2) A / AC 120 V, 15 (2) A
    DC 30 W at DC 24 V to DC 72 V
    AC 16 A for 10 s
    2-pole terminal, clamping torque 1 Nm max.:
    rigid/stranded1 wire 2.5mm² (AWG 14)
    clip for 35mm DIN rail, EN 60715
    plastic according to UL94V-0, light grey
    70 x 33 x 42 mm
    ~ 50 g
    variable
    -45 to +80 °C (-49 to +176 °F)
    < 90% RH (non-condensing)
    IP20
    VDE, UL File No. E164102, EAC

    ¹ 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.

    Product Variants

    Art. No. Connection casing Casing Productname Series Heating element Heater body Model Axial fan Operating voltage Operating voltage
    max.     		Operating voltage
    min.     		Voltage type Frequency Heating capacity Inrush current
    max.     		Surface temperature Rec. pre-fuse
    T (time-delay)     		Connection Connection PE Air outlet temperature Switch-off temperature Switch-off temperature 2 Switch-on temperature Switch-on temperature 2 Drilling template Operating temperature Flow rate,
    free flow     		Flow rate,
    with filter     		Setting range Setting range 2 Current
    consumption     		Nominal current
    of socket     		Power
    consumption     		Average noise level Enclosure cut-out Enclosure cut-out Storage temperature Storage humidity Ambient temperature Operating humidity Speed Switching capacity
    max.     		Switching current
    min.     		Load resistance (external) External Sensor Measuring range Measuring range 2 Note Note 2 Note 3 Note 4 Reaction time Contact type Service life Operation indicator Control contact -
    Signal current     		Electrical protection Switch Socket Material Material sealing Air permeability Mounting Air intake/Air outlet Filter material Measuring signal Switch temperature
    difference     		Lamp type Luminous flux Light colour Length / Depth Width Height Diameter Installation depth Fitting position Mounting frame Weight Sensor element Protection class Protection type Protection type UL VDE UL EAC METRO ATEX Ex Protection type Gases Ex Protection type Mine applications Ex Protection type Dusts Temperature class Temperature safety
    cut-out     		Accessory Accessory 2 Accessory 3 Accessory 4 Art. No. Accessory Art. No. Accessory 2 Art. No. Accessory 3 Art. No. Accessory 4 Catalogue Article CAD Inquiry CAD
    01115.0-00 plastic according to UL94 V-0, light grey Thermostat switch contact breaker STO 011 Normally closed(NC) AC 250 V (VDE), AC 120 V (UL) AC/DC 50/60 Hz 16 A 10 s 2-polige Klemme, Anzugsmoment 1 Nm max.: Starrdraht-/Litzenleitung1 2,5 mm² (AWG 14) -45 ─ +80 °C 0 ─ +60 °C 0.0 A -45 ─ +80 °C ≤90% rF ≤90% rF AC 250 V: 10 (2) A; AC 120 V: 15 (2) A; DC 24-72V: 30 W snap-action contact >100.000 Zyklen Clip for 35 mm Rail, EN 60715 4 K ± 3 K 42 mm 33 mm 70 mm any desired 50 g thermostatic bimetal IP20 VDE E164102 EAC Catalogue
    01115.9-00 plastic according to UL94 V-0, light grey Thermostat switch contact breaker STO 011 Normally closed(NC) AC 250 V (VDE), AC 120 V (UL) AC/DC 50/60 Hz 16 A 10 s 2-polige Klemme, Anzugsmoment 1 Nm max.: Starrdraht-/Litzenleitung1 2,5 mm² (AWG 14) -49 ─ 176 °F +32 ─ +140 °F 0.0 A -49 ─ 176 °F ≤90% rF ≤90% rF AC 250 V: 10 (2) A; AC 120 V: 15 (2) A; DC 24-72V: 30 W snap-action contact >100.000 Zyklen Clip for 35 mm Rail, EN 60715 4 K ± 3 K 42 mm 33 mm 70 mm any desired 50 g thermostatic bimetal IP20 VDE E164102 EAC Catalogue

    Summary of your request

    Art. No. Connection casing Casing Productname Series Heating element Heater body Model Axial fan Operating voltage Operating voltage
    max.     		Operating voltage
    min.     		Voltage type Frequency Heating capacity Inrush current
    max.     		Surface temperature Rec. pre-fuse
    T (time-delay)     		Connection Connection PE Air outlet temperature Switch-off temperature Switch-off temperature 2 Switch-on temperature Switch-on temperature 2 Drilling template Operating temperature Flow rate,
    free flow     		Flow rate,
    with filter     		Setting range Setting range 2 Current
    consumption     		Nominal current
    of socket     		Power
    consumption     		Average noise level Enclosure cut-out Enclosure cut-out Storage temperature Storage humidity Ambient temperature Operating humidity Speed Switching capacity
    max.     		Switching current
    min.     		Load resistance (external) External Sensor Measuring range Measuring range 2 Note Note 2 Note 3 Note 4 Reaction time Contact type Service life Operation indicator Control contact -
    Signal current     		Electrical protection Switch Socket Material Material sealing Air permeability Mounting Air intake/Air outlet Filter material Measuring signal Switch temperature
    difference     		Lamp type Luminous flux Light colour Length / Depth Width Height Diameter Installation depth Fitting position Mounting frame Weight Sensor element Protection class Protection type Protection type UL VDE UL EAC METRO ATEX Ex Protection type Gases Ex Protection type Mine applications Ex Protection type Dusts Temperature class Temperature safety
    cut-out     		Accessory Accessory 2 Accessory 3 Accessory 4 Art. No. Accessory Art. No. Accessory 2 Art. No. Accessory 3 Art. No. Accessory 4 Catalogue Article CAD
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    Anti Frost Assurance
    2011_05_STO011_Photo_Antifrost_Celsius

     

    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.

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    74523 Schwäbisch Hall
    Germany

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