Power

Open frame power supply for IEC/EN 60335 applications

14th November 2019
Alex Lynn

Delta Electronics has introduced the new PJH series of open frame power supply with 300W output power. PJH-24V300WBCA and PJH-36V300WBCA provides up to 240W power convection cooled without additional metal plate. With external fan cooling, it can provide 300W output power across a wide operating temperature range from -25 to +70°C.

The design is one of the few to meet both IEC 60335 and IEC 61558 in a compact 240W three by five inch convection cooled design, suitable for limited space in household applications. PJH series is certified to IEC/EN/UL 62368-1 and comply to OVC III for harsh industrial and farming applications.

  1. IEC 60335-1, Pollution Degree (PD) 3.
  2. IEC 61558-1 and IEC 61558-2-16.
  3. Earth leakage current < 0.75mA.
  4. Glow wire test 550°C, 750°C (te – ti ≤ 2s), 850°C.
  5. Input no load power consumption < 0.5W.

Features

  • A 300W fan cool, 240W convection cool.
  • Built-in active PFC, remote On/Off, remote sense, power good signal and 12VSB (6W) or optional 5VSB (6W).
  • Class I or Class II (double isolation) configuration with universal AC input voltage range.
  • High efficiency up to 94.0% .
  • Extreme low temperature cold start at -40°C.
  • Approval for Pollution Degree 3 .
  • Major safety approvals include IEC/EN/UL 60950-1, IEC/EN/UL 62368-1,  IEC/EN 60335-1, IEC/EN 61558-1 and IEC/EN 61558-2-16.

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