Factory For Miniature circuit breaker-FTM8-LE to Lyon Factories
Exterior and dimensions
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|Model||FTM8LE Residual current circuit-breaker|
|Number of poles||IP+N,2P,3P,3P+N,4P|
|Rated frequency:||AC 50/60Hz|
|Rated voltage (V) AC||230/400|
|Rated current (A)||C D||1,3,6,10,16,20,25,32,40,50,63 1,3,6,10,16,20,25,32,40,50,63|
|Rated residual operating current(mA)||30|
|Rated residual non-operating current(mA)||15|
|Residual current breaking time||30mA≦0.1s 250mA≦0.04s|
|Rated short-circuit breaking capacity(KA)||6(In≦40A); 4.5(In﹥40A)|
|Rated residual current breaking capacity(KA)||3|
|Mechanical & electrical life:||10,000 operations|
|Installation||On DIN rail 35mm according to JB6525|
|Connection capacity:||Cross-section of conductors up to 25mm2|
|Tightening torque||2 Nm|
|Ambient temperature (°C)||-5°C ~ +40°C|
|Relative air humidity||no more than 95%|
|installation condition||Used in place without obvious shock and vibration|
Exterior and dimensions
|Number of poles||Rated current|
To purchase, visit: http://www.swgr.com/store/circuit-breakers/molded-case/product/FA26030AC-5861,22-9034.aspx
Stock # 22-9034, SQUARE D, Circuit Breaker, Catalog No. FA26030AC-5861, Frame Amps 100, Trip Amps 30, 2 Poles, 600 Volts
TODAY, MIDWEST is the stand-alone leader in its field. MIDWEST combines highly trained, experienced, and dedicated personnel with state-of-the-art equipment and engineering procedures to provide our customers the successful services they need and deserve.
MIDWEST Electrical Testing & Maintenance Co., Inc.
5141 North 35th Street, Milwaukee, WI 53209
More details visit: http://www.techtrixinfo.com/
Basic Hydraulic circuit explained.
The basic hydraulic circuit, is a miniature of all the essential components which constitutes a hydraulic circuit, this gives a basic idea of how a hydraulic circuit works.
The main components of a basic hydraulic circuit are:
Hydraulic tank: The reservoir in which the fluid or hydraulic oil is stored.
Hydraulic pump: the function of this unit is to pump the oil(fluid).
Relief valve: this valve as you can see is located between the hydraulic pump and the valve block, the function of it is to safe guard the hydraulic pump from getting damaged due to excess back pressure.
Valve block: this is the control unit which controls the direction of flow of fluid.
Hydraulic ram: this is hydraulically operated ram which produces the work due to the hydraulic pressure in it.
Return line filter: the oil flowing back to the hydraulic tank is filtered by this unit as it may be contaminated during the path of its flow through the whole unit.
Working of a basic hydraulic circuit:
As show in the fig: the oil from the hydraulic tank is sucked by the hydraulic pump and is delivered to the valve block. As per the demand (as we move the control lever of the valve block) the internal ports of the valve block matched and the oil is delivered to the concerned rams, the return oil coming from the ram is delivered back to the hydraulic tank through the return line filter.
But during the whole process if a back pressure is created,the oil will pressurize back to the hydraulic pump and there by damaging it. To avoid this and there by safe guard the hydraulic pump we have relief valve. The function of the relied valve is to relief the back pressure (redirect the flow)and safe guard the pump by avoiding it to the reach the pump. (the relief valve will be set at a particular pressure rating below to which the pump can hold,so when such a pressure reaches the relief valve, it opens and releases the oil back to the tank to protecting the pump.)
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