HS50_advance_level 2.pdf - 第74页
07/2002 Editio n Student G uide HS -50 Advanc ed II 3 Power Sup ply 36 ➠ Use the screwd river to press dow n the locki ng lug (4) on the back of the motor circu it-brea ker . ➠ T ilt the motor ci rcuit-br eake r upward…
Student Guide HS-50 Advanced II 07/2002 Edition
3 Power Supply
35
3DUWV
PKZ2/3-pole/40 motor circuit-breaker, item number 00342494-01.
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DANGER Switch off the placement system and disconnect from the power
supply (see sections 3.3.1 and 3.3.2).
Remove the motor trip block (2)
(see Section 3.3.5
)
Loosen the clamping screws (3) on
the motor circuit breaker (1)
Remove the terminal wires one by one
and identify with adhesive labels
07/2002 Edition Student Guide HS-50 Advanced II
3 Power Supply
36
➠ Use the screwdriver to press down the locking lug (4) on the back of the motor circuit-breaker.
➠ Tilt the motor circuit-breaker upwards and pull forward to remove.
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Attach the motor circuit breaker
at position 1 on the top hat rail
Push down lightly on the motor circuit-
breaker until it snaps into place
Check that the motor circuit-breaker
is seated firmly
Student Guide HS-50 Advanced II 07/2002 Edition
3 Power Supply
37
➠ Connect up the terminal wires.
➠ Insert the motor trip block (see section 3.3.5.4 on page 3 - 33).
➠ Use the digital voltmeter to measure the supply voltages at terminals L1, L2, L3 or T1, T2 and
T3.
➠ Complete the servicing work as described in 3.3.3 on page 3 - 29.
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– Set of slotted-head screwdrivers
– Self-adhesive labels
– Digital multimeter
– HS-50 detailed circuit diagrams
3DUWV
SIRIUS 3RT10/24 VDC contactor, size S2, item number 00341201-01
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DANGER Switch off the placement system and disconnect from the power
supply (see sections 3.3.1 and 3.3.2).