Availability:  
Select Qty:

Automatic Semaphore Indicators type NTC are used in MIMIC diagram on Control and Instrumentation Panel to indicate open or close position of isolator, Earth switch, Circular Breaker, PT ON/OFF switch. The pointer takes up position of the supervised equipment & it turn right angle when breaker, isolator et is in open position, it takes up intermediate position i.e. 45 degree on failure of supply.

Special features :   
  • Type Tested as per IS-3231-1965 at IDEMI Bombay.
  • High operating torque & positive action.
  • Coils are continuously rated for 24-30V DC.
  • Withstands 2.5 kV HV-Test
  • Very Low Burden (10-30mA)
  • Indicator is dust proof.

Technical Data :

Terminals

:

3Nos; Center terminal is common; -ve & +ve are connected to terminal 1 or 2

Operating Voltage (D.C.)

:

60% to 120% of rated voltage

Rated Voltages          

:

24V/30V DC – No external resistor; 110V DC
 With 3k ohms resistor, 6Watts external resistor; 
 220V/250V DC with 9kohms, 12W external resistor
  

Depth of semaphore
 (excluding Bazel dia)  

:

60.5 mm ( excluding Bazel Dia. )

Width of Needle          

:

6.00mm for 36mm dia Bazel
 6.50mm for 48mm dia Bazel
 7.00mm for 63mm dia Bazel

Product Specifications

Product Code: ELECU79I7
Overall Rating: (0 Reviews)
Sort By:   View:
Sorry, no reviews match your current selections Show all reviews