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  Home  Heating Elements, Electrical ElementsStem Thermostat / Rod Thermostat / Capillary Thermostat
 
Stem Thermostat
Stem Thermostat
 
Capillary Thermostat
Capillary Thermostat
Snap Thermostat
Snap Thermostat
 
Infinite Heat Switch, Infinite Control Switch, Infinite Heating Switch, Energy Regulator, Infinite Control
Rod Thermostat
Stem Thermostat Top
Description of Stem Thermostat
Stem Thermostat with single pole stem control and double pole safety limiter
Stem Thermostat

Features of Stem Thermostat

  • Combined control and safety function
  • Stem Thermostatbimetal for independant non self resetting safety option
  • Direct plug-in to heating element to reduce wiring and mounting costs
  • Tamper proof housing
  • Factory pre-set fixed temperature, OEM adjustable or end-user adjustable temperature
  • Connection for signal lamp

Operation of Stem Thermostat
The differential expansion of the sensing element causes the opening of a snap-action switch in the stem thermostat head. In case of abnormal temperature rise, the patented MFS technology in the stem or traditional bimetal ensures double pole safety. The limiter is manually resettable.

Technical Characteristics of Stem Thermostat

Type  BHA 279   
Temperature range   20°C to 70°C   
Differential   5% of the temperature range  
Safety limiter temperature Fixed 120°C   
Rating   20A-250V 
Material   Brass, invar, bimetal 
Capillary length   180,270mm/7,11" 
Sensing element diameter   6 mm
Maximum head temperature   115°C   
Connections   Brass faston  
Approvals   CE as per IEC - 60730 
 
Capillary Thermostat Top
Capillary Thermostat
Fig : Capillary Thermostat
Capillary Thermostat : The temperature sensor consists of probe, capillary tube, diaphragms and expansion medium. When the sensor is heated, the liquid medium heats up and expands. The expansion of the medium increases in the closed-circuit system. The pressure increase is converted into displacement in the diaphragm. This displacement, also called travel, actuates a snap-action switch, which opens or closes the contacts in the electric circuit. The reference variable is set via the thermostat’s capillary adjusting spindle.
Application of Capillary Thermostat: Heating Oven, Cocking Appliances, Water Boilers, Frier, Electric Water Heater, Hot Beverage, Soldering Bath, Paraffin Wax Bath
 
Snap Thermostat Top
Snap Thermostat

The BHA Snap Action Thermostat regulates the temperature   continuously by switching the power on and off after the achievement of the set temperature. The Snap Thermostat’s normally closed contacts opens on achieving the set temperature which closes again when the temperature will drop by the differential.

Technical Specification of Snap Thermostat

Function Single pole closed contacts opens when the temperature is reached
Electrical Rating [UL & CUL] 125V ac 9A, 250V AC 6A, [VDE] 250V AC 6A
No. Switching of Cycles [UL & CUL] 30,000 cycles, [VDE] 1,00,000 cycles
Maximum Temperature [All Standards] 250°C
Rating   20A-250V 
Temp. Setting Range [All Standards] 0-250°C
Tolerance of Operating Range +/- 10"C
Switching Diferential 10-25k Depending on Mounting and Design
Turning Angle Range <= 300°, Reduced Angle Also Possible
Speed of Temp. Change >1K / min.

Connections of Snap Thermostat
Push on terminal (6.3 mm), M3 screw terminal or Phillips type connections are alternative.

Dimensions of Snap Thermostat
Length of control shaft and angle of terminal plates are depended on customer requirement.
Phillips type iron connection is also available.
All dimensions are only for reference.

Application of Snap Thermostat
When properly employed, this thermostat is suitable for use in dry / steam iron, ironing machines, waffle maker, hot tray, electric stoves …etc.

 
ROD Thermostat Top
The differential expansion of the sensing element causes the opening of a snap-action switch in the rod thermostat head.
In case of abnormal temperature rise, the patented MFS technology in the stem or traditional bimetal ensures double pole safety. The limiter is manually resettable.
  Rod Thermostat
Application of Rod Thermostat : Suitable for all types of heating elements for water heater
 
Contact Us
PEENA TRADERS
158, Veena Dalvai Industrial Estate, 
S.V.Road, Oshiwara,
Jogeshwari (W),
Mumbai - 400102, INDIA
Tel.: +91-22-26794098
Fax: +91-22-66780096
Email id.: info@bhahk.com
website: http://www.bhahk.com
 Manufacturers, Exporters and Suppliers of Quality Stem Thermostat, Capillary Thermostat, Snap Thermostat, Rod Thermostat
We are the leading manufacturers, exporters and suppliers of these products and serving our oversas clients from the countries like
South Africa, middle East, Australia, Uk and etc.
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