Overview
The 28370 is a 24 Vdc power-supply kit that includes a 24 Vdc, 3.8 A power supply, along with hardware for mounting and wiring inside standard Campbell Scientific enclosures. The 28370 with the -UL option, as well as part number 27623, are used in UL508A-certified enclosures assembled at Campbell Scientific.
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Detailed Description
The 28370 kit includes a DIN rail bracket, DIN rail connectors, breakers, and the Phoenix Power Supply. This kit does not contain a battery and therefore requires a PS150, CH150, PS200, CH200 or possibly a larger battery if using it with our data loggers.
The raw kit comes unassembled, but its user manual provides assembly information. If the 28370 is purchased with a prewired or UL enclosure, the 28370 will be assembled at no additional cost. If using it with a standard enclosure, Campbell Scientific will assemble it for an additional fee.
Specifications
| Nominal Input Voltage | 100 to 240 Vac |
| AC Input Voltage Range | 85 to 264 Vac |
| DC Input Voltage Range | 90 to 350 Vdc |
| AC Frequency Range | 45 to 65 Hz |
| Current Consumption |
|
| Inrush Surge Current | < 15 A (typical) |
| Power Failure Bypass |
|
| Input Fuse | 3.15 A (slow-blow internal) |
| Nominal Output Voltage | 24 Vdc ±1% |
| Setting Range of Output Voltage | 22.5 to 26 Vdc ( > 24 V constant capacity) |
| Output Current | 3.8 A (-25° to +60°C) |
| Derating | 60° to 70°C (2.5%/K) |
| Residual Ripple | < 40 mVPP (20 MHz) |
| Peak Switching Voltages Idling | < 100 mVPP (20 MHz) |
| Maximum Power Dissipation (no load) | 2.5 W |
| Maximum Power Loss of Nominal Load | 12 W |
| Weight | 988.83 g (2.18 lb) |
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