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MEAN WELL SE45012 450W Single Output Power Supply

The MEAN WELL SE-450 series power supplies are robust and reliable solutions for powering industrial equipment and machinery. These power supplies offer a wide input voltage range, ensuring compatibility with various power sources. They incorporate essential protections such as short circuit, overload, over voltage, and over temperature protection, enhancing system safety and reliability. The SE-450 series is suitable for applications in automation, lighting, and other industrial sectors where a stable and efficient power supply is critical.

Authorized Distributors
Source:DigiKey
Part No:SE-450-12
Stock:96
Inv Date:06-16-2026
Price: Unit price: $84
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Part No:SE-450-12
Stock:91
Inv Date:06-17-2026
Price: Unit price: $80.05
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Part No:SE-450-12
Stock:0
Inv Date:06-16-2026
Price: Unit price: $92.57
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Part No:SE-450-12
Stock:49
Inv Date:06-16-2026
Price: Unit price: $104.52
Buy/RFQ:
Part No:SE-450-12
Stock:49
Inv Date:06-16-2026
Price: Unit price: $104.52
Buy/RFQ:
Part No:SE-450-12
Stock:0
Inv Date:06-16-2026
Price: Unit price: $112.66
Buy/RFQ:

MEAN WELL SE45012 450W Single Output Power Supply Specifications:

  • DC Voltage: 12V
  • Rated Current: 37.5A
  • Current Range: 0 ~ 37.5A
  • Rated Power: 450W
  • Ripple & Noise (max.): 200mVp-p
  • Voltage Adj. Range: 10.8 ~ 13.5V
  • Line Regulation: ±0.5%
  • Load Regulation: ±0.5%
  • Setup, Rise Time: 1500ms, 50ms/230VAC 1500ms, 50ms/115VAC at full load
  • Hold Up Time (Typ.): 16ms/230VAC 12ms/115VAC at full load
  • Voltage Range: 90 ~ 132VAC / 180 ~ 264VAC selected by SW 254 ~ 370VDC
  • Frequency Range: 47 ~ 63Hz
  • Efficiency (Typ.): 83%
  • Input Inrush Current (Typ.): 10A/115VAC 6A/230VAC
  • Leakage Current: <2.5mA / 240VAC
  • Overload: 105 ~ 150% rated output power
  • Over Voltage: 3.8 ~ 4.6V
  • AC Current (Typ.): 18.8A
  • Temperature Coefficient: 0.05%/(0 ~ 50℃)
  • Vibration: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
  • MTBF: 200K hrs min. MIL-HDBK-217F (25℃)

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Frequently Asked Questions

Where can I buy MEAN WELL SE45012?

You can click on the BUY or RFQ button to purchase SE45012 from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part SE45012?

You can download the SE45012 datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of SE45012?

MEAN WELL

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