Cable Bus Sizing
SUPERIOR BUS ENCLOSURE DIMENSIONS
Every 
system is designed to ensure efficient and reliable performance. We also custom build cable bus systems with different dimensions where space restrictions exist at project sites.
The reference figures shown are the typical arrangement of power cables in a multi-layered system. Ampacity is based upon 90°C operating temperature. The systems shown on this page are a small selection of what we do; for voltages of 35 KV, 69 KV, and higher please contact Superior Tray Systems Inc.
600V 3-Phase 3-Wire
| Ampacity (A) | Voltage (V) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 800 | 600 | 3-Phase 3-Wire | 12 1/2 | 6 | 9 | Type 1 |
| 1200 | 600 | 3-Phase 3-Wire | 12 1/2 | 6 | 9 | Type 2 |
| 1300 | 600 | 3-Phase 3-Wire | 12 1/2 | 6 | 9 | Type 2 |
| 1400 | 600 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1600 | 600 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1750 | 600 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1950 | 600 | 3-Phase 3-Wire | 15 1/2 | 6 | 12 | Type 3 |
| 2100 | 600 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3 |
| 2600 | 600 | 3-Phase 3-Wire | 21 1/2 | 6 | 18 | Type 3A |
| 2800 | 600 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3100 | 600 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3300 | 600 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3500 | 600 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3900 | 600 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 4200 | 600 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 4700 | 600 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 5000 | 600 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 5300 | 600 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 5300-11000 | 600 | 3-Phase 3-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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| Heavy Duty System Up To 20,000 Amps | 600 | 3-Phase 3-Wire | ||||
Type 1
Type 2
Type 3
Type 3A
Type 4
600V 3-Phase 4-Wire
| Ampacity (A) | Voltage (V) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 800 | 600 | 3-Phase 4-Wire | 15 1/2 | 6 | 12 | Type 1A |
| 1200 | 600 | 3-Phase 4-Wire | 15 1/2 | 6 | 12 | Type 2A |
| 1300 | 600 | 3-Phase 4-Wire | 15 1/2 | 6 | 12 | Type 2A |
| 1400 | 600 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1600 | 600 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1750 | 600 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1950 | 600 | 3-Phase 4-Wire | 21 1/2 | 6 | 18 | Type 3A |
| 2100 | 600 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 2600 | 600 | 3-Phase 4-Wire | 21 1/2 | 6 | 18 | Type 3B |
| 2800 | 600 | 3-Phase 4-Wire | 27 1/2 | 8 | 24 | Type 3B |
| 3100 | 600 | 3-Phase 4-Wire | 27 1/2 | 8 | 24 | Type 3B |
| 3300 | 600 | 3-Phase 4-Wire | 27 1/2 | 8 | 24 | Type 3B |
| 3500 | 600 | 3-Phase 4-Wire | 27 1/2 | 8 | 24 | Type 3B |
| 3900 | 600 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 4A |
| 4200 | 600 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 4700 | 600 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 5000 | 600 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 5300 | 600 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 5300-11000 | 600 | 3-Phase 4-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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| Heavy Duty System Up to 20,000 | 600 | 3-Phase 4-Wire | ||||
Type 1A
Type 2A
Type 3A
Type 3B
Type 4
5kV 3-Phase 3-Wire
| Ampacity (A) | Voltage (kV) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 1100 | 5 | 3-Phase 3-Wire | 12 1/2 | 6 | 9 | Type 2 |
| 1300 | 5 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1800 | 5 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 2000 | 5 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3 |
| 2200 | 5 | 3-Phase 3-Wire | 21 1/2 | 6 | 18 | Type 3A |
| 2700 | 5 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3 |
| 3600 | 5 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 4100 | 5 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 5400 | 5 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| Above 5400 | 5 | 3-Phase 3-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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Type 2
Type 2A
Type 3A
Type 4
5kV 3-Phase 4-Wire
| Ampacity (A) | Voltage (kV) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 1100 | 5 | 3-Phase 4-Wire | 15 1/2 | 6 | 12 | Type 2A |
| 1300 | 5 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1800 | 5 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 2000 | 5 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 2200 | 5 | 3-Phase 4-Wire | 21 1/2 | 6 | 24 | Type 3B |
| 2700 | 5 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3600 | 5 | 3-Phase 4-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 4100 | 5 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 5400 | 5 | 3-Phase 4-Wire | 33 1/2 | 10 | 24 | Type 4A |
| Above 5400 | 5 | 3-Phase 4-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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Type 2A
Type 2A
Type 3B
Type 4
Type 4A
15kV 3-Phase 3-Wire
| Ampacity (A) | Voltage (kV) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 1100 | 15 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1300 | 15 | 3-Phase 3-Wire | 12 1/2 | 8 | 9 | Type 2 |
| 1700 | 15 | 3-Phase 3-Wire | 15 1/2 | 8 | 12 | Type 2 |
| 2000 | 15 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3 |
| 2200 | 15 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 2700 | 15 | 3-Phase 3-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 3500 | 15 | 3-Phase 3-Wire | 27 1/2 | 8 | 24 | Type 3A |
| 4100 | 15 | 3-Phase 3-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 5300 | 15 | 3-Phase 3-Wire | 27 1/2 | 12 | 24 | Type 4 |
| Above 5300 | 5 | 3-Phase 3-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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Type 2A
Type 2A
Type 3B
Type 4
15kV 3-Phase 4-Wire
| Ampacity (A) | Voltage (kV) | System Configuration | A | B | C | Reference Figure |
|---|---|---|---|---|---|---|
| 1100 | 15 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1300 | 15 | 3-Phase 4-Wire | 15 1/2 | 8 | 12 | Type 2A |
| 1700 | 15 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 2A |
| 2000 | 15 | 3-Phase 4-Wire | 21 1/2 | 8 | 18 | Type 3A |
| 2200 | 15 | 3-Phase 4-Wire | 21 1/2 | 10 | 18 | Type 4 |
| 2600 | 15 | 3-Phase 4-Wire | 27 1/2 | 8 | 24 | Type 3A |
| 2700 | 15 | 3-Phase 4-Wire | 27 1/2 | 10 | 18 | Type 4 |
| 3500 | 15 | 3-Phase 4-Wire | 27 1/2 | 12 | 24 | Type 4 |
| 4100 | 15 | 3-Phase 4-Wire | 27 1/2 | 10 | 24 | Type 4A |
| 5300 | 15 | 3-Phase 4-Wire | 33 1/2 | 12 | 30 | Type 4A |
| Above 5300 | 15 | 3-Phase 4-Wire | Custom designed and built. Please contact Superior Tray Systems Inc. |
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Type 2A
Type 2A
Type 3B
Type 4A
ELECTRICAL PROPERTIES
Superior Bus has been installed in every environment across the continent. Learn about the electrical characteristics of this remarkable system.
SUPERIOR BUS
Superior Bus is a highly optimized system. The lowest voltage drop. Extremely compact. Rapid Installation. Find out how a Superior Bus system can be designed for you.
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1 (604) 572-4419
info@superiortray.com