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 产品阵容
 型号说明:温度控制器 STO 011/STS 011
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  • Thumbwheel setting dial
  • Small hysteresis
  • High switching capacity
  • Anti frost assurance
  • Optimized housing for better air flow

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. 

TECHNICAL DATA

Switch temperature difference 4K (±3K tolerance)
Sensor element thermostatic bimetal
Contact type snap-action contact
Service life > 100,000 cycles
Max. switching capacity 250VAC, 10 (2) A / 120VAC, 15 (2) A
DC 30W at 24VDC to 72VDC
Max. inrush current AC 16A for 10 sec.
Connection 2-pole terminal, clamping torque 1Nm max.:
rigid/stranded1 wire 2.5mm² (AWG 14)
Mounting clip for 35mm DIN rail, EN 60715
Casing plastic according to UL94V-0, light grey
Dimensions 70 x 33 x 42mm
Weight approx. 50g
Fitting position variable
Operating/Storage temperature -45 to +80°C (-49 to +176°F)
Operating/Storage humidity max. 90% RH (non-condensing)
Protection type IP20
Approvals 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.

ANTI FROST ASSURANCE

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.

Setting range Art. No. Contact breaker (NC) Art. No. Contact maker (NO)
0 to +60°C 01115.0-00 01116.0-00  
+32 to +140°F 01115.9-00 01116.9-00  

TECHNICAL DRAWING

Small Compact Thermostat STO 011 / STS 011


 

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