1.3.2 AUX battery CONSTANT Bus Bar¶

Type: Bus Bar
Model: Blue Sea 2107 PowerBar
Manufacturer: Blue Sea Systems
Product Page: PowerBar 600A BusBar
Overview¶
Provides organized distribution for accessory circuits in the rear wheel well compartment.
Location: Rear wheel well compartment (near battery)
Specifications¶
- Rating: 600A continuous
- Terminals: 8× 3/8"-16 studs
- Wire Range: Up to 4/0 AWG
- Features: Tin-plated copper, corrosion resistant
- Full Specs: Blue Sea 2107
Circuit Protection
No circuit breaker between battery and CONSTANT bus. Each load has individual CB protection: SwitchPros (150A), SafetyHub (150A), BODY PDU (100A), Fusion Amp (100A). See Circuit Breakers.
Load Distribution¶
| Stud | Connection | Wire Gauge | Distance | Voltage Drop | Protection | Load | Notes |
|---|---|---|---|---|---|---|---|
| 1 | AUX battery+ (INPUT) | 1/0 AWG | ~3 ft | 0.9% @ 20°C | None | ~332A max | See AUX battery |
| 2 | SwitchPros | 2 AWG | ~2 ft | 0.4% @ 20°C | 150A CB | ~100A max | Auxiliary lighting |
| 3 | SafetyHub 150 | 2 AWG | ~2 ft | 0.4% @ 20°C | 150A CB | ~100A max | ARB compressor, winch trigger |
| 4 | BODY PDU | 2 AWG | ~12 ft | 1.2% @ 20°C | 100A CB | ~54A max | Cabin circuits |
| 5 | Fusion Apollo Amp | 4 AWG | TBD | TBD | 100A CB | 78A max | 6-channel amplifier |
| 6-8 | (Available) | - | - | - | - | - | Future expansion |
Stud Utilization: 5 of 8 used (3 available)
Related Documentation¶
Power Systems:
- AUX battery Distribution - Complete overview
- Circuit Breakers - CB specifications
Connected Systems:
- SwitchPros RCR-Force 12 - Auxiliary lighting controller
- SafetyHub 150 - ARB compressor and winch trigger
- BODY PDU - Cabin convenience circuits
- Installation Checklist - Bus bar mounting procedure