Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

603-778-2300 www.wallindustries.com Fax 603-778-9797

PSRL0402-

400 Watt with Airflow

Forced Current Sharing Series

Single Output Medical Approved

AC/DC Switching Power Supply with Active PFC

FEATURES

● 2 Year Warranty

● N+1 Forced Active Current Sharing

● Power Factor Corrected to EN61000-3-2 Class D

● Providing Peak Power 700W within 500uS Duty Duration

● 1U Height Size and High Power Density: 6.25 Watts/cu in

● U-Chassis & Enclosed with Built-in Fan Mechanical Options

● Current Monitoring and Remote Voltage Adjustment (Margin)

● Both Medical & ITE Safety Approvals for the PSRL0402M-

I Series

All specifications are based on 25

We reserve the right to change specifications based on technological advances.

INPUT SPECIFICATIONS

Input Voltage

90 – 264VAC Full Range

Input Frequency

47 to 63Hz

Input Current

6.35A at 90VAC full load

Inrush Current

35A max @ 230VAC with full load and cold start.

Leakage Current

Medical degree 300µA; ITE degree 1.5mA.

Remote ON/OFF

Designated as RSW on the CN3, requires a low signal to inhibit output.

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Output Power Range

400 Watts max with airflow. (See Notes 2 and 3)

Output Adjustability

Output user adjustable ±5% minimum.

Total Regulation

±1%

Output Current

See Table

Ripple & Noise (peak to peak)

±1%

Transient Response

Returns to within 1% in less than 2.5ms for a 50% load change and the peak transient does not excess 5%.

Hold-Up Time

20ms min. at 80% of full load.

Overshoot

Turn-on/off not exceed 5% over nominal voltage.

Turn On Delay

1 second maximum at 120VAC.

PROTECTION

Over Voltage Protection

Latching down will occur when output voltage exceeds 130% and recycle AC input to reset.

Short Circuit Protection

Trip without damage and auto-recovery.

Over-Temperature Protection

Protected in the event of excessive operating ambient 85°C and automatic recovery.

Over-Power Protection

C.C. mode 110-140% and auto-recovery.

Input Voltage Protection

Power shut down under 80 ±5VAC, and recovered over 86VAC

Input Circuit Protection (Primary)

Two T8A/250V fuses inserted.

GENERAL SPECIFICATIONS

Switching Frequency

30KHz fixed frequency

Efficiency

70% for 3.3V, 75% for 5V, 80% for 12V, and 83% minimum for other outputs @ 230VAC and full load.

Withstand Voltage

1500 VAC input line to chassis (2mA DC cut off current); 4000VAC between primary and secondary windings.

Primary to core 1500VAC. All for 3 seconds.

Burn In

45 ±5°C for one hour @ 230VAC with full load.

PFC

Active power factor correction meets EN61000-3-2 class D.

Power Good

Designated as PG on the CN3 will go high 100-500ms after regulation and goes low 1ms before loss of

regulation.

Power Supply On

Green LED designated as LED 1 on the PCB.

Grounding Test

Apply 40A from ground pin to the earthed connection point. Max allowable resistance is 0.1 ohm.

U Type: (U-Chassis): 8(L) x 5(W) x 1.6(H) inches.

E Type: (Enclosed with built-in fan): 9(L) x 5(W) x 1.6(H) inches.