20. Fuses
.
Fuses (figures U1 and U2) are accessible after removal of
the local controls (refer to page 23, figure R-1).
.
When exchanging the fuses, only fuses with the same
values must be used.
F1/ F2: Primary fuses power supply unit
F3: Internal 24 V DC supply
F4: Internal 24 V AC supply (optional: 115 V AC);
Heater, tripping device for PTC thermistors, control reversing
contactors
F5: Automatic reset fuse as short-circuit protection (see wiring
diagram) for external 24 V DC supply for customer
.
After exchanging the fuses screw local controls back on again
(refer also to subclause 19.5).
26
Multi-turn actuators SA 07.1 – SA 16.1
with actuator controls AMB 01.1/AMB 02.1 Operation instructions
Figure U2: Fuses on power supply board
F3
F4 F5
Figure U1: Fuses on signal and control board
1F2
1F1
G-fuses:
(Figure U1 and U2)
F 1/F 2
(Board A1,
refer to wiring diagram)
F 3/F4*
)
(Board A2,
refer to wiring diagram)
F 5
(Board A2,
refer to wiring diagram)
Size 6.3 x 32 mm 5 x 20 mm 5 x 20 mm
Control voltage
Power supply unit 115 V
1 A T; 500 V 315 mA T 250 mA T
Control voltage
Power supply unit 230 V
1 A T; 500 V 160 mA T 160 mA T
*) according to IEC 60127-2/III
Table 9
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