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Specifications 17
Helios Rectifier 25/48 Installation and User Manual
Environmental specifications
Operating
CAUTION
An airflow clearance must be left at the rear of the shelf.
A minimum of three inches is recommended.
The rectifier will operate satisfactorily under the following environmental
conditions:
Temperature Range: 0° to +65° C (32° to 149° F)
NT5C06DA/DB equipped without an air filter
0° to +50° C (32° to 122° F)
equipped with an air filter
Humidity: 0 to 95% RH (non-condensing)
Altitude: Sea level to 2100 m (7000 ft.)
Transportation
During transportation the rectifier can be subjected to the following
conditions without sustaining damage:
Temperature Range: -55° C (-67° F) for 16 hours
+70° C (158° F) dry heat
Humidity: 0 to 95% (non-condensing) 4 kPa max.
Vibration: 38mm/sec max. (10 to 30 Hz).
610 mm (24 inch) drop when packaged.
Pressure: 12 kPa min. (equiv. to 15 000 m altitude).
Temp. Shock: -55° to 70°C (-67° to 158°F) (5 cycles)
Storage
For storage, the rectifier must not be kept in an environment exceeding:
Temperature Range: -55°C (-67°F) +70°C (158°F) dry heat
Humidity: 0 to 95% (non-condensing) 4 kPa max.