Mini Power-Zone Low-Voltage Unit Substations
Sealed Unit Substations — Mini Power-Zone™
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Single-Phase |
Three-Phase |
note
Mini Power-Zone unit substations are UL 1062 Listed File E92978 design in a Type 3R enclosure allowing for indoor or outdoor applications. Designed for wall-mounting, the unit substation leverages Schneider Electric components integrated into one device.
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Epoxy resin encapsulated low voltage transformer
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H-frame main circuit breaker
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Secondary main circuit breaker
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Square D panel board or load center allowing for QO™ or QOB™ branch circuit breakers
The MPU solution leverages the latest load center interiors, giving customers more flexibility for branch circuit requirements. Additionally design with a tiered dead front construction. The first dead front allows access to the secondary main circuit breaker, distribution panel board, and the second dead front. The second dead front allows access to the primary main circuit breaker and incoming voltage connection points.
Refer to the following for additional information and selection.
note
Unit Substations — QO Plug-On Circuit Breakers Only
|
kVA |
Catalog No. |
Full Capacity Taps |
Enclosure |
Weight (lbs) |
Primary Main Circuit Breaker Rating (A) |
Secondary Main Circuit Breaker Rating (A) |
Spaces for Branch Circuit Breakers |
|---|---|---|---|---|---|---|---|
|
Single-Phase Unit Substation Input: 480 Vac, 18 kAIC; Output: 120 / 240 Vac |
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|
3 |
2–5% FCBN |
MPU-A |
85 |
15 |
15 |
10 |
|
|
5 |
2–5% FCBN |
MPU-A |
135 |
15 |
30 |
10 |
|
|
7.5 |
2–5% FCBN |
MPU-A |
145 |
20 |
40 |
10 |
|
|
10 |
2–5% FCBN |
MPU-A |
220 |
30 |
60 |
10 |
|
|
15 |
2–5% FCBN |
MPU-B |
350 |
60 |
80 |
22 |
|
|
25 |
2–5% FCBN |
MPU-B |
425 |
100 |
125 |
22 |
|
|
Three-Phase Unit Substation Input: 480 Vac 18 kAIC; Output: 208Y / 120 Vac |
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|
15 |
2–5% FCBN |
MPU-C |
510 |
40 |
60 |
27 |
|
|
22.5 |
2–5% FCBN |
MPU-C |
670 |
60 |
80 |
27 |
|
|
30 |
2–5% FCBN |
MPU-C |
695 |
90 |
100 |
27 |
|
Unit Substations — Bolt-On Circuit Breakers
|
kVA |
Catalog No. |
Full Capacity Taps |
Enclosure |
Weight (lbs) |
Primary Main Circuit Breaker Rating (A) |
Secondary Main Circuit Breaker Rating (A) |
Spaces for Branch Circuit Breakers |
|||
|---|---|---|---|---|---|---|---|---|---|---|
|
18 kAIC |
25 kAIC |
65 kAIC |
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|
Single-Phase Unit Substation Input: 480 Vac, Output: 120 / 240 Vac |
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|
3 |
2–5% FCBN |
MPUB-AA |
137 |
15 |
15 |
16 |
||||
|
5 |
2–5% FCBN |
MPUB-AA |
187 |
15 |
30 |
16 |
||||
|
7.5 |
2–5% FCBN |
MPUB-AA |
207 |
20 |
40 |
16 |
||||
|
10 |
2–5% FCBN |
MPUB-AA |
237 |
30 |
60 |
16 |
||||
|
15 |
2–5% FCBN |
MPZUB-BB |
367 |
60 |
80 |
28 |
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|
25 |
2–5% FCBN |
MPZUB-BB |
442 |
100 |
125 |
28 |
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|
Three-Phase Unit Substation Input: 480 Vac, Output 208Y / 120 Vac |
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|
15 |
2–5% FCBN |
MPUB-CC |
541 |
40 |
60 |
27 |
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|
22.5 |
2–5% FCBN |
MPUB-CC |
701 |
60 |
80 |
27 |
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|
30 |
2–5% FCBN |
MPUB-CC |
726 |
90 |
100 |
27 |
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Unit Substations — E-Frame Bolt-on Circuit Breakers
|
kVA |
Catalog No. |
Full Capacity Taps |
Enclosure |
Weight (lbs) |
Primary Main Circuit Breaker Rating (A) |
Secondary Main Circuit Breaker Rating (A) |
Spaces for Branch Circuit Breakers |
|||
|---|---|---|---|---|---|---|---|---|---|---|
|
18 kAIC |
25 kAIC |
65 kAIC |
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|
Three-Phase Unit Substation Input: 480 Vac, Output 480Y / 277 Vac |
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|
15 |
2–5% FCBN |
MPUB-CC |
541 |
40 |
60 |
12 |
||||
|
30 |
2–5% FCBN |
MPUB-CC |
726 |
90 |
100 |
12 |
||||
note
Unit Substation Enclosure Dimensions
|
Enclosure Number/Style |
Height |
Width |
Depth |
Mounting |
|||
|---|---|---|---|---|---|---|---|
|
in. |
mm |
in. |
mm |
in. |
mm |
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|
MPU-A |
32.90 |
836.0 |
14.00 |
356 |
11.80 |
300 |
Wall |
|
MPU-B |
43.20 |
1097.0 |
21.00 |
533 |
13.50 |
343 |
Wall |
|
MPU-C |
45.20 |
1148.0 |
27.40 |
696 |
13.50 |
343 |
Wall |
|
MPU-AA |
43.20 |
— |
16.00 |
— |
11.75 |
— |
Wall |
|
MPU-BB |
51.00 |
— |
27.40 |
— |
13.50 |
— |
Wall |
|
MPU-CC |
51.20 |
— |
27.40 |
— |
13.50 |
— |
Wall |