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User manual - 1.2
English
31
Electrical
1.
Feed a 3-core supply cable through swivel (A).
2.
Connect the 3-core supply cable to the connector
J16.
/i
CAUTION
•
Preferably use a wall socket for the
power supply to the unit. This should
always be accessible.
•
Mount an all-pole main switch (contact
opening >= 3mm) if the unit is directly
connected to the power supply.
•
Use supply cables with the correct
dimensions.
•
Always replace a defect fuse by a fuse of
the same value. See § 3.3.
A
connector contact connection
J20
1 and 2
Unit ready
3 and 4
Failure
5 and 6
On/off
7 and 8
Refill
1)
1) applies to types S6A-R and S6A-R 2P.
J21
1 and 2
Refill
1)
4
1
2
3
L1
70°C
>
T
N
PE
L
F7 F6 F5 F8 F1
F2
J21
J16
J20
J16
1
6
J21
J20
1
1
2
8
OBJ_BUCH-45-001.book Page 31 Tuesday, June 14, 2011 10:56 AM