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T Y P E S I R P , I RC AND I R D R E LAYS
F ig. 3. D irectional Unit. l - Stationary Contacts. 2 - Stationary Contact Pressure Spring. 3 - Magnetic A djusting P lugs,
7 -
Upper B earing Screw. 5 - Moving Contact, 6 - Spring A djuster C larnp.
C urrent B ias Vane.
4 -
�7
l - Tap B lock.
2 - Time D ial.
F ig.
Time Overcurrent Unit.
3 - Control Spring A ssemb ly.
4 .
D isc, 5 - Stationary
4 -
Contact A ssembly.
6 - Magnetic P lugs.
7 -
Permanent Magnet.
3
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