Dimensions
Layouts
Top and Bottom Conduit Entrance Dimensions–Not for Construction
(consult factory drawings)
Top Conduit Entrance–Auxiliary Section (22-inch wide)
Bottom Conduit Entrance–Auxiliary Section (22-inch wide)
Top Conduit Entrance–Auxiliary Section (30-inch wide)
Bottom Conduit Entrance–Auxiliary Section (30-inch wide)
Top Conduit Entrance–Auxiliary Section (36-inch wide)
Bottom Conduit Entrance–Auxiliary Section (36-inch wide)
Top Conduit Entrance–Main, Tie, and Feeder Sections
(22-inch wide)
NOTE: Top conduit entrance area is reduced when close-coupled with
a transformer.
Bottom Conduit Entrance–Main, Tie, and Feeder Sections
(22-inch wide)
Top Conduit Entrance–Main, Tie, and Feeder Sections
(30-inch wide)
NOTE: Top conduit entrance area is reduced when close-coupled with
a transformer.
Bottom Conduit Entrance–Main, Tie, and Feeder Sections
(30-inch wide)
Top Conduit Entrance–Main, Tie, and Feeder Sections
(36-inch wide)
NOTE: Top conduit entrance area is reduced when close-coupled with
a transformer.
Bottom Conduit Entrance–Main, Tie, and Feeder Sections
(36-inch wide)
Front Elevation Dimensions–Not for Construction (consult factory drawings)
Typical Auxiliary Section
(22-inch wide)
Typical Auxiliary Section (22, 30, and 36–inch wide)
| Location | Description |
|---|---|
| AB | Blank or instrument |
| CD | Blank or instrument |
Typical Mains Circuit Breakers (22-inch wide)
Typical Mains Circuit Breakers (22–inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| A | Blank or instrument | — | — |
| B | Main | 800–2000 A | NW-N, H, L, LF |
| C, D | Feeder | 800–1200 A | NT-N, H, L1, L, LF |
| C, D | Feeder | 600 A | D-N, H, L |
| C, D | Feeder | 800–2000 A | NW-N, H, L, LF |
Typical Mains Circuit Breakers (22-inch wide)
Typical Mains Circuit Breakers (22–inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| A | Blank or instrument | — | — |
| BC | Main | 2500–3000 A | H, L |
| D | Feeder | 800–2000 A | NW-N, H, L, LF |
| 800–1200 A | NT-N, H, L1, L, LF | ||
| 600 A | D-N, H, L |
NOTE: Any main, tie, or feeder compartment positions may be used as
a blank, or instrument compartment. Not convertible for future circuit
breaker use. Height including secondary wiring trough compartment
is 93.7 inches (2380 mm).
Typical Mains Circuit Breakers (36–inch wide)
Typical Mains Circuit Breakers (36-inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| A | Blank or instrument | — | — |
| BC | Mains | 4000–5000 A | H, L |
| D | Feeder | 800–2000 A | NW- N, H, L, LF |
| (2) 800–1200 A | NT- N, H, L1, L, LF |
Typical Feeder Circuit Breakers
(22-inch wide)
Typical Feeder Circuit Breakers (22-inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| A, B, C, D | Feeder | 800–2000 A | NW- N, H, L, LF |
| A, B, C, D | Feeder | 800–1200 A | NT- N, H, L1, L, LF |
| A, B, C, D | Feeder | 400–600 A | D- N, H, L |
| B, C, D | Feeder | (2) 150–250 A | H or J-G, J, L |
NOTE: Any main, tie, or feeder compartment positions may be used as
a blank, or instrument compartment. Not convertible for future circuit
breaker use. Height including secondary wiring trough compartment
is 93.7 inches (2380 mm).
Typical Feeder Circuit Breakers
(22-inch wide)
Typical Feeder Circuit Breakers (22-inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| AB | Feeder | 2500 A | NW- H, L |
| BC | Feeder | ||
| CD | Feeder | ||
| BC | Feeder | 3000 A | NW- H, L |
| CD | Feeder | ||
| D | Feeder | 800–2000 A | NW- N, H, L, LF |
| 800–1200 A | NT- N, H, L1, L, LF | ||
| 400–600 A | D- N, H, L | ||
| (2) 150–250 A | H or J-G, J, L |
Typical Feeder Circuit Breakers
(30–inch
wide)
Typical Feeder Circuit Breakers (30-inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| A, B, C, D | Feeder | 800–2000 A | NW- N, H, L, LF |
| B, C, D | Feeder | (4) 150–250 A | H or J-G, J, L |
| A, B, C, D | Feeder | (2) 400–600 A | D- N, H, L |
| A, B, C, D | Feeder | 800–1200 A | NT- N, H, L1, L, LF |
NOTE: Any main, tie, or feeder compartment positions may be used as
a blank, or instrument compartment. Not convertible for future circuit
breaker use. Height including secondary wiring trough compartment
is 93.7 inches (2380 mm).
Typical Feeder Circuit Breakers
(36-inch wide)
Typical Feeder Circuit Breakers (36-inch wide)
| Location | Description | Frame Size | Frame SCCR |
|---|---|---|---|
| AB, BC, CD | Feeder | 2500–4000 A | NW- H, L |
| A, B, C, D | Feeder | (2) 800–1200 A | NT- N, H, L1, L, LF |
| A, B, C, D | Feeder | (2) 400–600 A | D- N, H, L |
NOTE: Any main, tie, or feeder compartment positions may be used as
a blank, or instrument compartment. Not convertible for future circuit
breaker use. Height including secondary wiring trough compartment
is 93.7 inches (2380 mm).
NEMA 3R Walk-in Low Voltage Switchboard/Switchgear Top Conduit Entrance Dimensions–Not for Construction (consult factory drawings)
NEMA 3R Walk-in Low Voltage Switchboard/Switchgear Bottom Conduit Entrance Dimensions–Not for Construction (consult factory drawings)
NOTE: Dimensions–Not for Construction (consult factory drawings).
Front View, NEMA 3R Walk-in Low Voltage Switchboard/Switchgear
Right Side View, NEMA 3R Walk-in Low Voltage Switchboard/Switchgear
Weights
Refer to the shipping documents for the actual weights and dimensions. The weights given here are approximate values.
Switchboard 4 High without Circuit Breakers
| Bus Rating | 22 Wide | 30 Wide | 36 Wide | |||
|---|---|---|---|---|---|---|
| lbs | Kg | lbs | Kg | lbs | Kg | |
| 1600–2000 A | 1200 | 545 | 1250 | 568 | 1300 | 591 |
| 3000 A | 1400 | 636 | 1350 | 659 | 1500 | 682 |
| 4000–5000 A | 1700 | 773 | ‘750 | 796 | 1800 | 818 |
MasterPact NW Circuit Breaker Weights
| Amperes | Lbs | Kg |
|---|---|---|
| 800 | 110 | 50 |
| 1600 | 110 | 50 |
| 2000 | 110 | 50 |
| 3000 | 110 | 50 |
| 2000 | 110 | 50 |
| 3000 | 110 | 50 |
| 4000* | 230 | 105 |
| 5000* | 230 | 105 |
MasterPact NT Circuit Breaker Weights
| Amperes | Lbs | Kg |
|---|---|---|
| 800 | 40 | 18 |
| 1200 | 40 | 18 |