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Shiva Amvaj Star-Delta Timer is a device suitable for starting squirrel-cage motors by switching from star to delta.
Product Models
Code:
14JN4
Weight:
100 gr
Dimensions:
36*90*65 mm
IP:
30
Supply Voltage:
180-250VAC /50-60 HZ
Star Relay Activation Time:
2-60 Sec
Star-to-Delta Transition Delay:
30-300 ms
Output:
دو عدد رله 7A
Features of Shiva Amvaj Star-Delta Timer
AC and DC power supply
Adjustable star relay on-time
Adjustable time between star relay disconnect and delta relay connect
Has two indicators
: star relay connected
: delta relay connected
Has two separate relays
How the device works
When 220VAC voltage is connected to terminals N, PH, or 24VAC\DC to terminals + and -, the LED turns on and the star relay connects. (COM contact connected to
)
The star relay on-time is adjustable with the adjustment screw in the range of 2-60 seconds. After this time elapses, the star relay disconnects. After the time between star relay disconnect and delta relay connect has elapsed, which is adjustable with the →
screw in the range of 30-300 milliseconds, the
LED turns on and the delta relay connects. (COM contact connected to
)
The time between star relay disconnect and delta relay connect ensures the star contactor is disconnected before the delta contactor connects.
