Item Specifications :

Condition : A brand new unused, undamaged item that is fully operational and functions as intended.

Warranty : 1 Year Manufacturer.

Warranty Service : Repair or Replacement.

Package Contain : 

1 number SPD 7212 instruiment  

1 user manual with technical details.

Product Descriptions :

This instrument is used to design any hp single phase Digital motor starter panel

2 Relay provided to operate 2 numbers of contactors

1 relay provided to operate start contactor and other for rubn contactor

Input : P (Phase), N (Neutral) 

Output : potential free contact of two relay 

Size : 72x72 

Micro controller based design 

Digital Volt and ampere meter are provided to see system voltage and load current accordingly.

Two seperate display for volt and amp.

high voltage protection, 

low voltage protection,

Adjustable voltage limit (High and low both voltage protection limit adjustable)

overload protection

Adjustable overload from 0 to 50 A

Current based dry run protection provided 

Adjustable dry run current from 0 to 50 A

Short circuit protection

protection bypass facility 

Cyclic timer provided with bypass facility (adjusatble from 0 second to 999 min) If user want start and stop the motor on perticuler time then user can set the on and off time of cyclic timer 

Delay off timer provided with bypass facility (adjusatble from 0 second to 999 min) If user want to stop the motor after certain time then they can set the delay off timer. in this timing mode user can start the motor by pressing start button and it will auto stop based on preset delay off time.

On delay timer and off delay time provided (adjusatble from 0 second to 999 min) If user want to start the motor after certian time then they can use this timer.

Auto switch provided with bypass facility (When power goes and comes it will start the unit automatically)

Auto switch timer adjusatble from 0 second to 999 second

High accuracy in over load and dry run current

Auto and bypass mode available

User can bypass all the protection from setting

Isolated supply provided

Error messages shows on display 

RESET button provided to reset unit

High quality ABS enclosure provided.

Set button provided to set the current voltage and timer.

Reset button provided to reset the unit 

Factory reset facility in case of incorrect value entered.

Working :

This model has dry run protection so it only starts the motor if water is present in the underground tank or sump.

It has current based dry running. If the motor runs without water then it takes a lower ampere (current) then its actual current. so when the motor current is down from actual current, it stops the motor and protects the motor from dry running. 

Protect motor from dry running.