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INDUSTRIAL CONTROLS >>

Under/Over Voltage Monitoring Relay
 

Function:

The Under/Over Voltage Monitoring Relay monitors the system voltage continuously. In case of system voltage drop/rise
below/above the set actuating limit, the electromechanical relay in the device toggles its state.

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Motor Protection Overload Relay
 


The Relay has a peculiar tripping characteristic as per the designated CLASS. The tripping characteristic is an Inverse exponential curve of I (Current) Vs T (Tripping Time).

Efficient Micro controller unit (MCU) is used to monitor all activities & take the necessary decisions based on that to implement the proper actions.

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Electronic Overload Relay
 

Application:

Electronic overload relay is suitable for AC 50/60Hz, voltage up to 600VAC and currentup to 60A. It is used as Overload and Phase Loss Protection device. It has independently adjustable STARTING and TRIP delay (O-TIME, D-TIME), Visual Current Setting Dial, Trip Indication, Fail Safe Protection (N type) and Electronic Shear Pin function. The product conforms to IEC60947-1 standard.



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Zero Speed Sensors
 

Function:

ZSS is used to detect jamming/slow speeding of motor-shafts/mixing screws & there-by stopping the motors/the screws automatically.

It consists of an inductive sensor connected to the control equipment. The sensor senses the rotation of the shaft & in-turn sends pulses to the control unit, which has time dependent logic controller. As long as the motor shaft rotates, the time controller unit senses the rotation & keeps the output potential free relay contacts closed. When the rotations of the shaft ceased, the sensing signal actuates the output relay as to break the output circuits after settable time delay. This switch can be used to protect the motor when the screw is overloaded.

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Surge Suppressors
 

Function:

Surge Suppressors/Snubber Networks are used to kill the impulses that get transmitted on AC source lines due to switching of heavy inductive/capacitive loads.

The network is connected across the impulse source input terminals to suppress them at the source itself.

D'square manufactures customized snubber networks/RC Elements.

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Earth Leakage Testers
 

These are Earth Leakage Testers used to detect leakage current in ground terminal of equipment.
The device is CT-based. Tripping mechanism is provided by means of an electro-mechanical sealed relay.

For details, please contact factory

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