POWER

ERM50 Series

50 Watts

Total Power: 50 W

Input Voltage: 72 or 110 V

# of Outputs: Single

SPECIAL FEATURES

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Small 57.9 x 36.8 x12.7 mm package

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Input ranges 43 - 101 Vdc or

66 - 160 Vdc

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High efficiency up to 92%

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No minimum load requirement

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Operating temperature range

-40 °C to +85 °C

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Reinforced insulation 3000 VAC rms

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Undervoltage shutdown

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Remote On/Off

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Metal case with isolated baseplate

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Vibration and thermal shock

to EN61373

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Safety meets EN60950-1 and Railway

Standard EN50155 (IEC60571) and

EN50121-3-2

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EN45545-2 flammability

SAFETY

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cUL/UL 60950-1

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IEC/EN 60950-1

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IEC/EN 50155

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CE Mark

Electrical Specifications

Input

Input range

43 - 101 Vdc; 66 - 160 Vdc

Efficiency

92% @ 12 Vo

Output

Voltage tolerance

±1.0%

Line regulation

±0.2%

Load regulation

±0.3%

Noise/ripple

24 V model: 150 mV, other models: 100 mV

Overload protection

150% typ of Io max, hiccup

Short circuit protection

Hiccup mode

Switching frequency

320 KHz

Isolation

I/O isolation

Reinforced insulation, 3000 Vac rms; I/Case. O/Case: 1500 Vdc

Insulation resistance

1000 Mohm

Insulation capacitance

3000 pF

Data Sheet

Environmental Specifications

Operating ambient temperature range

-40 °C to +85 °C

Storage temperature

-55 °C to +125 °C

Humidity

5% to 95% non-condensing

MTBF

472 Khrs calculated