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AC Input

90-264VAC, 47-63 Hz single phase.

Turn On Time

Less than 2 seconds under all rated load conditions.

Input Current

120VAC: 9A, 230VAC: 4.5A.

Hold-up Time

≥20 ms from loss of AC input at 600W load, 120VAC input.

Inrush Current

Limited by internal thermistor. The inrush at 240VAC, averaged over

the first AC half-cycle under cold start conditions will not exceed 40A.

Over/Undershoot

3.5% max. at turn-on, 1% max. at turn-off.

Input Fuse

F1, F2: 12A, 250VAC fuses provided on all models.

Output Overload & Short Circuit Protection

Foldback, then cycle-by-cycle current limiting, automatic recovery.

Power Factor

0.99 typical, 0.96 minimum.

Overvoltage Protection

Latching type, recycle AC input to reset. See chart for trip levels.

Earth Leakage Current

120VAC: 75µA max. NC, 120µA max. SFC.

264VAC: 160µA max. NC, 300µA max. SFC.

Ripple and Noise

1% pk-pk max., 20MHz BW, differential mode. Measured with noise

probe directly across output terminals.

Output Power

600W continuous.

ITE Safety Standards

CSA/EN/IEC/UL 60950-1

Peak Output Power

650W for 1 minute, 10% duty cycle.

Medical Safety Standards

EN/IEC/UL 60601-1

Output Voltage

See chart.

Efficiency

>80% typical at full rated load

Voltage Adjustability

Adjustable potentiometer, capable of ±5% change from nominal.

Switching Frequency

140KHz main inverter and 70kHz PFC (synchronized).

Minimum Load

Not required.

MTBF

208K hours per Telcordia.

Total Regulation

See chart.

Overtemperature Protection

Automatic.

Transient Response

500µs max., 50% load step, ∆i/∆t < 0.2A/µs.

Weight

3.75 lbs. (1.70kg)

Enclosure Dimensions

See outline drawing

Signals

AC Power Fail: TTL “0” 10ms before the output drops to <97% of nom.

Inhibit:

Short inhibit pin to output common to Inhibit.

GEM600

600W Single Output Economy/Technology Switchers

Commercial and Medical

2 Year Warranty

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600W Single Output AC-DC Power Supply

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Universal Input 90-264 VAC

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Standard: Active PFC, OVP, Power Fail and Inhibit (low)

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Modified and Customized Designs also available

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Complies with EMI/RFI Standards

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Approved to EN/IEC/UL/CSA 60950-1 for ITE

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Approved to EN/IEC/UL60601-1 for Medical

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Compliant (LVD, RoHS)

Specifications