Specifications
7900-230 Unregulated Power Distribution Module
Voltage In/Out: 10 to 30 VDC
Maximum Current Load: 10 Amps
Operating Temperature Range: -40 to 50 °C
Weight: 3.0 lbs (1.36 kg)
Dimensions: 9 15/16 in x 5 15/16 in x 4 1/2 in (25.3 cm x 15.1 cm x 11.4 cm)
Frontal Area: 59.0 in2 (380.6 cm2)
7900-232 Input Wire: 20 m (65.6 ft) 10 AWG (5.26 mm2) copper wire in 1/2" flexible aluminum conduit
7900-233 Input Wire: 40 m (131 ft) 12 AWG (3.31 mm2) insulated copper wire, no conduit
Compatible Output Wire Gauge: 10 to 26 AWG (0.13 to 5.26 mm2)
7900-231 Regulated Power Distribution Module
Voltage In: 10 to 30 VDC
Unregulated Voltage Output: Equal to input
Regulated Output Voltage: 12VDC; 2A max.
Maximum Current Load: 10 Amps (including charge controller load)
Operating Temperature Range: -20 to 50 °C
Weight: 3.5 lbs (1.6 kg)
Dimensions: 9 15/16 in x 5 15/16 in x 4 1/2 in (25.3 cm x 15.1 cm x 11.4 cm)
Frontal Area: 59.0 in2 (380.6 cm2)
7900-232 Input Wire: 20 m (65.6 ft) 10 AWG (5.26 mm2) insulated copper wire in 1/2" flexible aluminum conduit
7900-233 Input Wire: 40 m (131 ft) 12 AWG (3.31 mm2) insulated copper wire, no conduit
Unregulated Outputs Wire Gauges: 10 to 26 AWG (0.13 to 5.26 mm2)
Regulated Outputs Wire Gauges: 16 to 28 AWG (0.081 to 1.31 mm2)
Analyzer Power Requirements
| Sensor | Input Voltage |
|---|---|
| LI-7500DS Open Path CO2/H2O Analyzer | 10.5 to 30 VDC |
| LI-7500A/RS Open Path CO2/H2O Analyzer | 10.5 to 30 VDC |
| LI-7200/RS Enclosed CO2/H2O Analyzer | 10.5 to 30 VDC |
| SmartFlux System | 10.5 to 30 VDC |
| 7200-101 Flow Module | 10.5 to 30 VDC |
| LI-7700 Open Path CH4 Analyzer | 10.5 to 30 VDC |
| Biomet System | 10 to 16 VDC |
| Cellular Communications and Telemetry Devices (cellular modem and Ethernet switch) | 10 to 28 VDC |
| Hughes Satellite Radio | 12/24 VDC |
| LI-840A or LI-820 Gas Analyzers | 12 to 30 VDC |
| Sonic Anemometers | |
| Gill WindMaster™ | 9 to 30 VDC |
| Gill WindMaster™ Pro | 9 to 30 VDC |
| Gill R3-50™ or R3-100™ | 9 to 30 VDC |
| Gill HS-50™ or HS-100™ | 9 to 30 VDC |
| Gill PCI Unit | 8 to 15 VDC |
| Campbell Scientific® CSAT3 | 10 to 16 VDC |
| Dataloggers | |
| CR1000 or CR3000 Datalogger | 9.6 to 16 VDC |
| CR6 Datalogger | 16 to 32 VDC |
Interior Labels
The power distribution box labels are reproduced below. Be mindful of the warnings and suggestions on the label.
7900‑230 Label
7900-231 Label
