Wall Industries, Inc.

Rev B

PSAK450 SERIES

Up to 457 Watts, AC/DC Switching Power Supplies

04/04/2014

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

Page 2 of 5

SPECIFICATIONS: PSAK450 SERIES

All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.

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

SPECIFICATION

TEST CONDITIONS

Min

Typ

Max

Unit

INPUT SPECIFICATIONS

AC input voltage range

90

264

VAC

Input Voltage (See Note 2)

DC input voltage range

127

370

VDC

Input Frequency

47

63

Hz

At 115VAC and full load

4.5

AC Current

At 230VAC and full load

2.2

A

At 115VAC and cold start

27

Inrush Current

At 230VAC and cold start

54

A

At 115VAC and full load

0.99

Power Factor

At 230VAC and full load

0.98

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Tolerance

Includes set-up tolerance, line regulation, and load regulation

-1.0

+1.0

%

Voltage Adjustability

Typical adjustment by potentiometer

-10

+10

%

Line Regulation

Low Line to High Line

-0.5

+0.5

%

Load Regulation

0% to 100% full load

-0.5

+0.5

%

Output Power

See Table

Output Current

See Table

Ripple & Noise

Measured at 20MHz bandwidth and with 0.1µF and 47µF capacitors in parallel

1

%

Hold-up Time

At 230VAC and full load

16

ms

Setup Time

full load

800

ms

Rise Time

full load

60

ms

Temperature Coefficient

0~50°C

-0.02

+0.02

%/°C

PROTECTION

See Table

Over Voltage Protection

Protection type: latch-style. Recovery after reset AC power ON or inhibit

Hiccup mode: when the rated output power is within 105~150% for more than 3secs.

Constant current limit: > 150% rated power / short circuit

Over Load Protection

Automatic Recovery: If the output drops to 40% of the rated output voltage, the PSU will shut down and auto-recover 5 times

(If the fault condition still remains after recovering 5 times, the PSU will shut down. User must re-power on to recover)

Detected on primary and secondary heatsink

Over Temperature Protection

Protection type: shutdown output voltage (automatic recovery after temperature goes down)

GENERAL SPECIFICATIONS

Efficiency

See Table

Input to Output

4242VDC (3000VAC)

Input to FG

2121VDC (1500VAC)

Isolation Voltage

Output to FG

Conducted test without enclosure

707VDC (500VAC)

Isolation Resistance

Input to output, input to FG, output to FG; 500VDC

100

MΩ

Leakage Current

At 240VAC

1.0

mA

FUNCTIONS

Auxiliary Power

+5V / 0.3A(±3%)

Remote ON/OFF Control

External switch or NPN transistor to turn ON/OFF

Power OK Signal

Open drain signal low when PSU turns on; sink current: 20mA max.; drain voltage: 40V max.

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature

With derating (see derating curve)

-20

+70

°C

Storage Temperature

-40

+85

°C

Operating Humidity

Non-condensing

20

90

% RH

Storage Humidity

10

95

% RH

Cooling

Load and temperature controlled fan

Vibration

10~500Hz, 5G 10 min./1 cycle, period for 60 min. each along X, Y, Z axes. Compliance to IEC 68-2-6, IEC 68-2-64

MTBF

HRS certified MIL-HDBK-217F

74,710

hours

PHYSICAL SPECIFICATIONS

Weight

2.43 lbs (1.1kg)

Dimensions (L x W x H)

7.835 x 4.134 x 1.614 inches (199.0 x 105.0 x 41.0 mm)

SAFETY & EMC (See Note 3)

Safety Approvals

UL 60950-1; EN 60950-1

EMI (Conduction & Radiation)

EN55022

Harmonic Current

EN61000-3-2; EN61000-3-3

EMS Immunity

EN55024; IEC 61000-4-2, 3, 4, 5, 6, 8, 11