Technical Data
33
5.2.1 Current Outputs CURRENT OUTPUT 1-3
3 current outputs
1
for standard design
Output currents
3-phase AC (L-N)
1-phase AC (L-N)
in parallel
1-phase DC (L-N)
3 × 0 to 12.5 A
1 × 0 to 12.5 A
1 × 0 to 21 A
1 × 0 to ±12.5 A
Power
2
3-phase AC (L-N)
1-phase AC (L-L)
3
1-phase AC (L-N)
4
1-phase DC (L-N)
typ. 3 × 40 VA
typ. 1 × 80 VA
typ. 1 × 65 VA
typ. 1 × 62 W
guar. 3 × 37.5 VA
guar. 1 × 75 VA
guar. 1 × 62 VA
guar. 1 × 59 W
Resolution < 500 µA
Accuracy
5
typical error
< 0.03 % rd.
+ 0.01 % of rg.
guaranteed error
< 0.08 % rd.
+ 0.02 % of rg.
Harmonic distortion
6
typ. 0.03 % guar. < 0.07 %
Short-circuit protection
Open-circuit protection
Unlimited against N and from L to L.
Open outputs (idling) allowed.
Connection 4 mm banana sockets or amplifier
combination socket.
Isolation Reinforced isolation to mains and to all SELV
interfaces.
Table 12 Current outputs with standard design
1
Data for 3-phase systems are valid under symm. conditions (0 °, 120 °, 240 °).
2
For higher current or output power demands connection of an external amplifier is possible (e.g.
CMA current amplifier). The power data refers to an output current of 12.5 A
eff
or 12.5A
DC
.
3
Single-phase model (operation with two phases in phase opposition):
two currents in series, additional adapter SPA156 recommended.
4
2 phases (2 x 10.5 A) in parallel for in-phase operation.
5
rd. = reading; rg. = range, whereat n % of rg. means: n % of upper range value (1.25 or 12.5 A).
6
Values at 50/60 Hz, 20 kHz measuring band width, nominal value and nominal load.
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