Emerson MPR15 Series User Manual

Specifications   19 

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NT5C06B / C   Installation and User Manual

 

The rectifier does not produce sound levels above 60 dB with "A" 

weighting measured 1.5 m (5 ft.) above the floor and 0.5 m (2 ft.) from 

the rectifier, while operating at no load, partial load, or full load. 

Efficiency is 88% at nominal input voltage of 208 V and maximum 

output load of 25 A at 54 V DC. 

Power factor is 0.60 at a nominal voltage of 208 V AC and a maximum 

load of 25 A with 0.5 ohm line impedance. 

The rectifier has a mean time between failures (MTBF) greater than 

120,000 hours (Bellcore spec. TR-NWT-000057) under normal 

operating conditions, at 30°C. 

The maximum heat dissipation is 150 W at -56 V and 25 A load  

(1 x MPR25). 

Electromagnetic Interference (EMI) 

The rectifier meets FCC part 15, sub-part B for Class A digital devices. 

A two- inch airflow clearance is required at the front and rear of the 

rectifier. Consult Astec for applications requiring less than a two-inch 

clearance. 

The rectifier will operate satisfactorily under the following 

environmental conditions: 

Temperature: 

MPR15E: 

0 to 50˚ C 

(32 to 122 F) 

 

MPR15EX:-  40 to 50 C 

(-40 to 122 F) 

 

MPR25E: 

0 to 65 C 

(32 to 149 F) 

 

MPR25EX: 

-40 to 65 C 

(-40 to 149 F)