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140CPU67160C SCHNEIDER

Brand: Schneider

Model number:  140CPU67160C 

Colour:new                  

Warranty: 12 months

Lead Time:3-day working day   

Country of origin: USA Price: Please contact us         

Product weight:0.40kg

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

140CPU67160C   SCHNEIDER

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Products Name: 140CPU67160C SCHNEIDER

PRODUCT DESCRIPTION

For medium voltage systems it is common to use two or three autoreclose shots, and, for specific applications, four shots. Using four shots, final dead time can be set for a time long enough to allow thunderstorms to stop before definitive final reclose. This scheme prevents unnecessary lockout caused by consecutive transient faults.

Description:

Overload Relays

Thermal overload relays sense motor current by 

converting this current to heat in a resistance 

element. The heat generated is used to open a 

normally closed contact in series with a starter 

coil causing the motor to be disconnected from 

the line.

In spite of being relatively simple and inexpensive, 

thermal overload relays are very effective in 

providing motor running overcurrent protection. 

This is possible because the most vulnerable part 

of most motors is the winding insulation and this 

insulation is very susceptible to damage by 

excessively high temperature.

Being a thermal model of a motor, the thermal 

overload relay will produce a shorter trip time at a 

higher current similar to the way a motor will reach 

its temperature limit in a shorter time at a higher 

current. Similarly, in a high ambient temperature, 

a thermal overload relay will trip at a lower current 

or vice versa allowing the motor to be used to its 

maximum capacity in its particular ambient 

temperature (if the motor and the overload are in 

the same ambient).

Once tripped, the thermal overload relay will not 

reset until it has cooled, automatically allowing the 

motor to cool before it can be re-started.

Square D manufactures two basic types of 

thermal overload relays, the melting alloy and the 

bimetallic. In some types, the bimetallic is 

available in both non-compensated and ambient 

temperature-compensated versions. In both 

melting alloy and bimetallic, single element and 

three element overloads are available.

Motor Logic Solid State overload relays use an 

electronic method of detection, which responds 

directly to the motor current. When tripped the 

overload relay may be reset either manually or 

remotely using the Remote Reset Module. The 

Solid State overload relay provides overload 

protection only for three phase motors rated up to 

600 volts AC.

The Solid State overload relay provides protection 

for phase loss and phase unbalance. In addition, 

this overload relay is ambient i


MA0185100   SCHNEIDER

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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