ABU125-540

## **Switch Mode Power Supplies Single Output AC/DC Power Supply with PFC** 

## **ABU125-540** 

## **Description:** 

The ABU125-540 is a single output power supply. This power supply is designed for a wide variety applications where high reliability is desired, including applications for the industrial and telecommunications markets. Excellent performance specifications are provided, together with compliance to European EMC (EN55022, Class B and EN61000-3-2), and Low Voltage directive (TUV EN60950). 

## **Specifications (@25C)** 

## **Input Characteristics:** 

**Input Voltage:** 90-264VAC, 127-373VDC **Input Frequency Range:** 47-63Hz **Input Current:** 1.6A @ 115VAC, 0.8A @ 230VAC typ. **Max Inrush Current:** 30A@115VAC, 60A@230VAC at cold start **Power Factor:** >0.95/230VAC, >0.98/115VAC at full load **Leakage Current:** <2.4mA/240Vac 

## **Output Characteristics:** 

## **CB** 

**Output Voltage:** 54VDC±2.0%Vdc **Output Current (15CFM FAN):** 0-1.96A **Output Current (Convection):** 0-1.6A **Output Power(15CFM FAN):** 106W **Output Power(Convection):** 87W **Adjustable Output Range:** 53.2 – 58.8V. Output voltage can be adjusted at VR51 **Ripple & Noise[1] :** 240mVp-p **Load Regulation:** ±1.0% **Line Regulation:** ±0.5% **Efficiency:** 88.0% **Start-up Time:** 1800ms/230VAC, 3600ms/115VAC, full load **Rise-up Time:** 30ms/230VAC, 30ms/115VAC, full load **Hold-up Time:** 14ms/230VAC, 14ms/115VAC, full load **Over Current Protection:** 2.86 – 3.90A. Hiccup mode. Resets automatically once the fault condition is removed. **Over Voltage Protection:** 64 – 75VDC. 

**General Specifications: Dimension (LxWxH):** 127(5.0) x 76.2(3.0) x 27.0(1.05) mm (in) **Weight:** 300g **Cooling:** Natural Convection or FAN at 15CFM **Isolation Resistance:** I/P—O/P, I/P—FG, O/P—FG: 500VDC/100M Ohms **Dielectric Strength:** I/P—O/P:3KVAC; I/P—FG:1.5KVAC; O/P—FG:0.5KVAC **Warranty:** 3 years **MTBF:** >200K hrs. per MIL-HDBK-217F (25°C) 

## **Environmental Specifications:** 

**Operating Temperature:** -40° to 70°C (Refer to output load derating curve) **Operating Humidity:** 20 to 90% RH, non-condensing **Storage Temperature:** -40 to 85°C **Storage Humidity:** 10 to 95% RH, non-condensing **Temperature Drift:** <0.04%/°C (0-50°C) **Vibration:** 10-500Hz, 2G 10min/cycle, period of 60min, each X, Y & Z axis 

**EMC & Safety Specifications[2,3] : EMI Emissions:** Compliance to EN55022,CISPR22 Class B (Conducted & Radiated) **Harmonic Current:** Compliance to EN61000-3-2, 3 **EMS Immunity:** Compliance to EN61000-4-2, 3-6, 8 & 11; EN55024 heavy, light industry level, criteria A **Safety Approval:** UL 60950-1, TUV EN60950-1 (insulation class -1) 

1 Ripple and noise are measured at 20MHz of bandwidth by using a 12” twisted-pair wire termination with a 0.1uF & 47uF parallel capacitors. 

> 2 The power supply is considered a component which will be installed with other equipment. The final equipment must be re-confirmed that it still meets EMC directives. 

> 3 EMC and Safety Agency certs pending. Web: www.TriadMagnetics.com 460 Harley Knox Blvd. Phone 951-277-0757 Perris, California Fax 951-277-2757 92571 ~~TT~~ 

Release Date: October 14, 2014 

## **Switch Mode Power Supplies Single Output AC/DC Power Supply with PFC** 

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**RoHS Compliance:** This power supply meets the requirements 2002/95/EC, know as the RoHS initiative. 

* Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’ website for the most current version. 

Web: www.TriadMagnetics.com 460 Harley Knox Blvd. Phone 951-277-0757 Perris, California Release Date: October 14, 2014 Fax 951-277-2757 92571