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14.0 S
PECIFICATIONS
14.1
System Configuration
The STS2/PDU can be set in several different configurations, according to the model and location. The
configuration is set at the factory and does not need to be changed by the customer.
14.1.1 Frequency
The STS2/PDU accepts input frequencies of 50 Hz or 60 Hz, depending on the model ordered. The fre-
quency shall be within +/- 0.5 Hz of the nominal frequency.
14.1.2 Input Voltage
The STS2/PDU models are available to handle various voltages.
The input voltage must be three phase AC (3 wire-plus-ground).
The voltage shall be within +/- 10% of the nominal voltage.
The following table provides nominal voltages, listed according to frequency.
Table 20
Input voltage
60 Hz
(L-L)
208V
380V
400V
415V
480V
600V
14.1.3 Output Voltage
The output voltage shall be three phase AC (4 wire-plus-ground).
Table 21
Output voltage
60 Hz
(L-L/L-N)
208/120V
380/220V
400/230V
415/240V
14.1.4 System Current Ratings
These ratings are based upon continuous switch current rating. All units are 100% continuous cur-
rent rated. Some ratings are not available in certain voltages.
Table 22
System current ratings
14.1.5 Grounding
Refer to 4.2 - System Grounding for specifications and instructions regarding grounding.
50 Hz
(L-L)
208V
380V
400V
415V
-
-
50 Hz
(L-L/L-N)
208/120V
380/220V
400/230V
415/240V
Current
250A
400A
600A
800A
115
Specifications
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