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16
5. Specifications
Models S3MT-30KWR480V S3MT-60KWR480V
Description
Two 30kW Transformer in one Cabinet:
Input Isolation Transformer (T-In)
480V Input (Delta) to 208V Output
(Wye) Transformer, and Output Auto
Transformer (T-Out) 208V (Wye) Input
to 480V (Wye) output
Two 60kW Transformer in one Cabinet:
Input IsolationTransformer (T-In)
480V Input (Delta) to 208V Output
(Wye) Transformer, and Output Auto
Transformer (T-Out) 208V (Wye) Input
to 480V (Wye) output
KVA/kW Ratings for Input (T-in)
and Output (T-out) Transformers
30kVA/30kW 60kVA/30kW
Transformer Type Dry-Type
INPUT SPECS of BOTH TRANSFORMERS
T-in Input Voltage 480V 480V
T-in Input Voltage Range
-45%,+25%) for 40 % load
(-20%,+25%) for 100 % load
(-45%,+25%) for 40 % load
(-20%,+25%) for 100 % load
T-in Input Amp(s) 51A 101A
T-in Input No. Of Phases 3PH 3 PH
T-in Input Connections 3-Wire (L1, L2, L3 + PE) 3-Wire (L1, L2, L3 + PE)
T-in AC Input Configuration Delta Delta
T-in Iput Connection Type Copper Bar Copper Bar
T-in AC Input Frequency 50/60 50/60
T-in Frequency Range 40/70 Hz 40/70 Hz
T-in Voltage Selection N/A N/A
Voltage Drop Ratio: Output with
no load to output with Full Load
≤ 3%
T-In Input Isolation Yes
T-in Input Inrush Current ≤1010A (10 ms) ≤920A (10 ms)
T-out Input Voltage Range (-45%,+25%) for 40 % load (-20%,+25%) for 100 % load
T-out Input Voltage 208V
T-out Input Amp(s) 87A 173A
T-out No. Of Phases 3PH 3PH
T-out Input Connections 4-Wire (L1, L2, L3 + N + PE)
T-out AC Input Configuration WYE
T-out Input connection type Copper Bar Copper Bar
T-out AC Input Frequency 50/60 50/60
T-out Frequency Range 40/70 Hz 40-70 Hz
T-out Voltage Selection N/A N/A
T-out Input Isolation No
T-out Input Inrush Current ≤1010A (10 ms) ≤2020A (10 ms)
Input Transformer
(T-In)
Output Transfomer
(T-Out)
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