2
Specifications
Item
Specifications
AC input
Rated input voltage range
100 to 240 VAC @ 50/60 Hz
Rated input current
4A
Max input voltage range
90 to 290 VAC @ 47/63 Hz
Max input current
5A
Output voltage
12V/3.3V
Output current
20.9A(12V)/2A(3.3V)
Max output power
250W
Dimensions (H × W × D)
40.2 × 50.5 × 221 mm (1.58 × 1.99 ×
8.70 in)
Operating temperature
-10°C to +55°C (14°F to 131°F)
Relative humidity
5%RH~95%RH
Power module
Power module status LED
An PSR250-12A1-D has a status LED on its front panel. The following table lists the LED status
and description.
LED status
Description
Steady green
The power module is operating correctly.
Flashing green
The power module has power input but is not installed on the device.
Steady red
The power module is faulty or has entered protection state.
Red/green flashing
alternatively
The power module has generated an alarm for power issues (such
as output overcurrent, output overload, and overtemperature), but
has not entered protection state.
Latch
Status LED
Power input
receptacle
Handle
