Download Siemens TPS3 15 Specifications

Transcript
The panelboard identified in the example is configured for a
208Y/120V, 3Ø4W power system. This indicates it is rated for a
208 volt wye-connected secondary. There are 208 volts phaseto-phase and 120 volts phase-to-neutral. It is a 3-phase (3Ø)
4-wire (4W) system.
A
208 Volts
120 Volts
B
120 Volts
208 Volts
N
120 Volts
208 Volts
C
Part 3
Part 3 indicates the number of circuits in a P1 or P2 type
panelboard. If the panelboard is a P3, P4, or P5 type, this
number represents the enclosure height in inches. In this
example, the panelboard is a P1 with 42 circuits.
Part 4
Part 4 indicates whether the panelboard is a main breaker
(2-digit code varies for each different circuit breaker), main lug
(ML) or main switch (MS). In this example, FX indicates that the panelboard has an FXD6 main breaker.
Part 5
Part 5 indicates the panelboard current rating. In this example,
the panelboard is rated for 250 amps.
Part 6
Part 6 indicates the bus material. The following table shows
bus materials available. In this example, A indicates that the
panelboard has standard temperature rated aluminum bus bars
with tin plating.
Bus Code
Bus Material
Bus Plating
A
Temp. Rated Aluminum Tin Plated
B
750 A/sq. in. Aluminum Tin Plated
C
Temp. Rated Copper Tin Plated
E
Temp. Rated Copper Silver Plated
F
Temp. Rated Copper Tin Plated
G
1000 A/sq. in. Copper Tin Plated
H
1000 A/sq. in. Copper Tin Plated
● = Default for this bus type, N/A = Not Available
P1
P2
P3
P4
P5
●
●
●
●
●
N/A
●
●
●
●
●
●
●
N/A
N/A
N/A Optional Optional
●
●
N/A
●
●
●
●
N/A
●
●
Optional Optional
N/A Optional Optional
●
●
Part 7
Part 7 indicates whether feed location is from the top (T) or
bottom (B). In this example, the panelboard is top fed.
Part 8
Part 8 indicates whether the panelboard is surface mounted (S)
or flush mounted (F). In this example, the panelboard is surface
mounted.
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