MBC275 Series

3

Asia-Pacific

+86 755 298 85888

Europe, Middle East

+353 61 225 977

North America

+1 408 785 5200

© 2016 Bel Power Solutions & Protection

BCD.00882_001

With 13 CFM forced air cooling

With natural convection cooling at 100 to 264 VAC

275 W

up to 160 W

Efficiency

48 V, 58 V:

24 V, 30 V:

12 V, 15 V:

92%

90%

88%

Hold-up Time

At 275 W:

At 160 W:

8 ms

16 ms

Line Regulation

+/-0.5%

Load Regulation

+/-1%

Transient Response

25% step load change, at 0.1 A/uS slew rate, 50% duty

cycle, 50 Hz = 4%

recovery time < 5 ms

Voltage Adjustment

+/-3%

Rise Time

Typical

55 ms

+/-1%

Over Current Protection

> 110%

Over Voltage Protection

110 to 140%

Short Circuit Protection

Hiccup mode

2

Combined output power of main output, fan supply shall not exceed max. Power rating.

3

Fan supply output voltage tolerance including set point accuracy, line and load regulation is +/-10% and Ripple and noise is less than 10%.

Operating Temperature

Startup guaranteed with spec. deviation

-40 to +70°C

-40 to 0°C

Storage Temperature

-40 to +85°C

Relative Humidity

Non-condensing

5% to 95%

Altitude

Operating:

Non-operating:

16,000 ft

40,000 ft.

MTBF

Telcordia -SR332-issue 3

3.37 million hours

Conducted Emissions

EN55022-B, CISPR22-B, FCC PART15 – B

Static Discharge

EN61000-4-2:

Level-3

RF Field Susceptibility

EN61000-4-3:

Level-3

Fast Transients/Bursts

EN61000-4-4:

Level-3

Radiated Emissions

Radiated:

Radiated with external core:

(King core K5B RC 25x12x15-M in input cable (5 turns))

Level A

Level B

Surge Susceptibility

EN61000-4-5:

Level-3

Harmonic Current

EN61000-3-2:

Class D