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

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

PSRL0603 Series

Single Output

Up to 250 Watts

AC/DC Switching Power Supply

FEATURES

● 2 Year Warranty

● Output Voltages from 2 ~ 60VDC

● AC Input Range Auto-Selectable

● Approved to UL CUL TUV CB and CE

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

● Providing Peak Power 600W within 500uS Duty Duration

● Low Leakage Current 500uA @ 240VAC / 300µA @ 120VAC

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

● Smallest 250W with 1U Height Power Density: 10.4 Watts/cu in.

All specifications are based on 25

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

INPUT SPECIFICATIONS

Input Voltage

90 - 132 / 180 - 264 VAC, Auto-Selectable

Input Frequency

47 to 63Hz

Input Current

6 / 3A at 110 - 120 / 200 - 240 VAC.

Inrush Current

Max. 70A @ 230VAC and 35A @ 115VAC; cold start.

Leakage Current

Remote On-Off

Designated as RMSW on the CN1, requires a low signal to inhibit output. Hiccough mode.

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Output Power Range

Output Adjustability

Output user adjustable ±5% minimum.

Total Regulation

±1%

Output Current

See Table

Ripple & Noise (peak to peak)

±1%

Transient Response

Output voltage returns to within 1% in less than 2.5ms for a 50% load change, peak does not excess 5%.

Hold-Up Time

20ms min. at 80% of full load.

Overshoot

Turn-On & Off overshoot < 5% over nominal voltage.

Turn On Delay

1 second maximum at 120VAC.

PROTECTION

Over Voltage Protection

Unit latching down when output exceeds 130% and recycle AC input to reset.

Short Circuit Protection

Trip without damage and auto-recovery.

Over-Temperature Protection

Unit protected of excessive operating ambient 85°C and automatic recovery.

Over Power Protection

Fold back mode 110-140%; Auto-recovery.

Input Fusing Protection

One T6A/250V fuse inserted in primary.

GENERAL SPECIFICATIONS

Switching Frequency

25KHz fixed frequency.

Efficiency

70% for 3.3V, 75% for 5V, 80% for 12V, and 83% min. for other outputs (Measuring at 230VAC and full load).

Withstand Voltage

1500 VAC input line to chassis (10mA DC cut off current). 3000VAC primary to secondary windings and

1500VAC primary to core. All for 3 sec.

Burn In

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

PFC

Power factor corrected to EN61000-3-2 Class A.

Power Good

Designated as PG on the CN1 will go high 100-500ms after regulation and goes low 1ms before loss of

regulation.

Power Supply On

Green LED designated as LED1 on the PCB.

Grounding Test

Apply 25A from ground pin of the three prong plug to the far most earth. Max. allowable resistance is 0.1 ohm.

U Type: (U-Chassis): 5(L) x 3.2(W) x 1.5(H) inches.

F Type: (Enclosed with top built-in fan): 5(L) x 3.2(W) x 2(H) inches.