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2.
Technical data
1070 078 131-104 (00.05) GB
Power Supply Module
Type L 309
Type of construction:
Protection standard:
Ambient temperature:
Storage temperature:
Mains voltage connection:
Admissible voltage variations:
Synchronization and supply
voltage generation:
Percentage duty cycle (ED):
Connected load:
2-phase thyristor A.C. power controller as
built-in module in open construction
IP 00; designed for installation in housing or
switch cabinet with IP54
max. 60 °C with prescribed cooling, referred to
the room of the installation
-25 °C to +70 °C,
heat sink must have been drained!
Types L 309.150 and L 309.250:
400 V; 415-440 V; 500-550 V
50 - 60 Hz
(set to 400 V when delivered)
Type L 309.151:
400 V; 460-480 V; 575 V
50 - 60 Hz
(set to 460-480 V when delivered)
+15%, -20%
for timer modules type PSH, PSS: 27 V A.C.
(fused with M 1.25 A at F1);
for triggering of inputs:
(fused with M 2.5 A at F2)
independent from the possible thyristor
switching currents, limited by built-in de-ex-
citation resistor.
up to 400 V:
up to 440 V:
up to 480 V:
up to 575 V:
integration time:
Types L 309.150 and L 309.151:
for welding transformers up to approx.
150 kVA (with 400 V).
Type L 309.250:
for welding transformers up to approx.
250 kVA (with 400 V).
Max. admissible switching currents depend
on the duty cycle and the weld time, see load
diagram
in
Section
instructions".
Technical data
24 V D.C.
100 % duty cycle
75 % duty cycle
70 % duty cycle
50 % duty cycle
1 minute
"Dimensioning
3
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