1550-220V - B&K PRECISION CORPORATION

Switching DC Power Supply with USB Charger

Output 1-36 V, 0-3 A

Model 1550

Data Sheet

The model 1550 is a compact 108 watt power supply delivering 1 -36 V and

0- 3 A from its main isolated output. A unique feature of the 1550 supply is

the USB charging port located on the front panel allowing the user to charge

a cell phone or MP3 player. Clean power and quiet operation make this

power supply ideal for any bench in laboratories, work shops and schools

where bench space is limited.

Features:

■USB charging port on front panel

■Rear panel security loop

■Compact design

■Output On/Off control

■Large bright easy to read LCD display

■Constant voltage and constant current operation

■Overvoltage protection

■230 VAC version with banana style outputs (model 1550-220V)

Technical data subject to change

v040914

www.bk prec ision.com

Rear P anel Sec urit y Loop

OUTP UT

ON/OFF

New touch pad design

Secure the power

supply to a work

station to prevent

unwanted removal

Charge your cell phone

or MP3 player while

you work

USB Charging P ort

V A

Specifications 1550

MAIN OUTPUT

Output Voltage Adjustable Range 1.0 – 36 VDC

Output Current Adjustable Range 0 – 3 A

Voltage Regulation

Load (10 % to 100 %) ±50 mV

Line (min to max) ±20 mV

Ripple ±5 mV rms

Noise (Peak to Peak) ±50 mV

Current Regulation

Load (10 % to 100 %) ±20 mA

Line (min to max) ±20 mA

USB OUTPUT

Output Voltage 5 V (±10 %)

Output Current 400 mA (±10 %)

Load Voltage Regulation 80 mV (±10 %)

Ripple & Noise (no load rms) 8 mV (±10 %)

OTHER

AC Input 100 – 120 Vac (50~60 Hz)*

Efficiency at Max Power 83 % (±10 %)

Voltmeter and Ammeter Display 3 Digit

Voltmeter Accuracy ±1 % of rdg. ± 5 digits

Switching Operation Frequency 80 kHz to 120 kHz

Ammeter Accuracy ±1 % of rdg. ± 5 digits

Full Load Input Current at 120 Vac 1.8 A (±10 %)

LCD Indication CC, CV, Amp, Volt, Output ON-OFF

GENERAL

Protection Short Circuit, Overload, Over Temperature,

Over Voltage

Dimensions (W x H x D) 2.8” x 6.0” x 9.8” (70 x 150 x 250 mm)

Weight 4.4 Lbs. (2 kgs)

One-Year Warranty

Supplied Accessories User manual and power cord

*For 230V input, order model number 1550-220V.