Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715

HAM, Harmonic Attenuation Module

Rev. 1.5

Page 2 of 8

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Parameter

Min

Typ

Max

Unit

Notes

Operating input voltage HAM, HAMD, BAMD

85

264

Vac

Rectified AC for HAMD, BAMD

AC line frequency

47

63

Hz

Unit will operate from 400 Hz but may not meet

PF or THD specs

Power factor

0.99

Total harmonic distortion (line current)

7.5

%

Sinusoidal, 115 Vac, full load

Total harmonic distortion (line current)

8.5

%

Sinusoidal, 230 Vac, full load

Inrush current

20

Amps

230 Vac, full load

INPUT SPECIFICATIONS (HAM-xL, HAMD-xL, BAMD-xL)

OUTPUT SPECIFICATIONS

Electrical Characteristics

Electrical characteristics apply at the nominal value of input voltage, output load and baseplate temperature, unless otherwise

specified. All temperatures refer to the operating temperature of the baseplate. Specifications apply for AC mains having no more

than 5% total harmonic distortion.

Parameter

Min

Typ

Max

Unit

Notes

Maximum output power

675

Watts

See power derating graph, fig.3

Output voltage

278

280

282

Vdc

115 Vac In

360

365

370

Vdc

230 Vac In

Efficiency

90

92

%

External hold-up capacitance

470

3,000

µF

Ride through / hold-up time

16

ms

675 W output with 1,000 µF hold-up capacitor

Ripple

7

10

Vp-p

115 Vac, full load, 1,000 µF hold-up capacitor

Ripple

5

6

Vp-p

230 Vac, full load, 1,000 µF hold-up capacitor

Short circuit shut down current

100

mA

Foldback current limiting

CONTROL SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Notes

Power OK threshold

270

Vdc

Module enable / disable threshold

240

250

260

Vdc

Auxiliary output

19

23

Vdc

≤ 3 mA

Auxiliary output

3

mA

No overload protection

ELECTROMAGNETIC COMPATIBILITY

Parameter

Standard

Notes

Transient / surge immunity

EN 61000-4-5

1 kV L-N, 2 kV L-PE with 07818 filter

Line disturbance immunity

EN 61000-4-11

Main’s interruption or brown out

Flicker / inrush

EN 61000-3-3

20 A peak inrush at 230 Vac input

Harmonic current

EN 61000-3-2

7.5% THD