XP POWER SMP350 Series AC-DC Power Supply

Product Overview

Product Name: SMP350 Series AC-DC Power Supply

Core attributes: Fan cooling (FAN COOLED), power range 300-350W, enclosed structure design, suitable for industrial, medical, instrumentation and other scenarios

Core advantages: sturdy industrial grade structure, wide temperature range, high efficiency, low noise, convenient remote control, multiple safety certifications

Physical parameters: Size 3.6 × 7.0 × 1.7 inches (91.4 × 177.8 × 43.1mm), weight 1.5lbs (0.68kg), power density 13W/in ³

Key performance parameters

(1) Input parameters

Characteristic Minimum Value Typical Value Maximum Value Unit Remarks

Input voltage range 85-264 VAC, 100% load at 90VAC, derating to 90% at 85VAC

Input frequency 47-63 Hz-

Power factor -0.9- EN6100-3-2 Class A,>125W is Class C

Input current -4.7 A 90VAC, 100% load

No load input power -1.25/2.6- W 115VAC/230VAC (prohibited state)

Surge current -130-A 230VAC, 25 ° C cold start

Ground leakage current -500 μ A 264VAC/60Hz; Medical low leakage version<300 μ A needs to contact sales

(2) Output parameters

Characteristic Minimum Value Typical Value Maximum Value Unit Remarks

The output voltage is 12-48 VDC, and different models correspond to fixed voltages (such as SMP350PS24 which is 24VDC)

Initial setting accuracy – ± 1% under 50% load of rated value

Voltage regulation range ± 2–%-

Load regulation -1%-

Line regulation – ± 0.5% input voltage 90-264VAC, based on rated value

Ripple and noise -1% 20MHz bandwidth, 1.5% (peak to peak) for 12V models

Hold time 10– ms-

Transient response deviation -4% 50% -75% -50% load variation, restored to ± 1% within 500 μ s

Overvoltage protection 115-140% Vnom AC restart reset

Overload protection 110-150%, restart after tripping

Start time -1 second 115/230VAC, full load

Temperature coefficient -0.02%/° C after preheating for 20 minutes

(3) Environment and reliability

Working temperature: -40 ° C to+70 ° C (linear derating above+50 ° C, 50% of rated power at+70 ° C)

Storage temperature: -40 ° C to+85 ° C

Working/storage humidity: 5% -95% RH (non condensing)

Impact resistance: ± 3 × 30g, 3 times per plane, a total of 18 times (compliant with EN60068-2-27/47)

Vibration resistance: 10-500Hz, 2g sweep frequency, three plane resonance tolerance (compliant with EN60068-2-6)

Mean Time Between Failures (MTBF): 570 khrs (MIL-HDBK-217F,+25 ° C GB)

Model and output specifications

Model Output Voltage (VDC) 90-180VAC 180-264VAC

Output current (A) Output power (W) Output current (A) Output power (W)

SMP350PS12 12.0 25.00 300 25.00 300

SMP350PS15 15.0 20.70 310 22.00 330

SMP350PS18 18.0 17.80 320 19.40 350

SMP350PS24 24.0 13.75 330 14.60 350

SMP350PS28 28.0 11.80 330 12.50 350

SMP350PS36 36.0 9.20 330 9.70 350

SMP350PS48 48.0 7.30 350 7.30 350

Certification and Compliance

Safety certifications: IEC62368-1, IEC60601-1 (Medical), IEC60950-1, UL62368-1, CSA C22.2 series, ANSI/AAMI ES60601-1:2005, etc

EMC compliance: Conducted emission EN55011/32 Class B, Radiated emission Class A; Harmonic EN61000-3-3; Immunity meets the EN61204-3 and EN61000-4 series standards

Isolation level: Primary Secondary 2 x MOPP, Primary Ground 1 x MOPP, Secondary Ground 1 x MOPP (compliant with IEC60601-1 Ed 3)

Other markings: CE, UKCA certification, equipment protection level Class I

​Interface and Control

(1) Terminal block (TB1) pin function

Pin Function Pin Function

1 Line (live) 6-V (negative)

2 Neutral (Neutral) 7-V (Negative)

3 Ground —

4+V1 (positive electrode) —

5+V1 (positive electrode) —

(2) Pin function of signal connector (J4)

Pin Function Pin Function

1+Sense 6 N/C (unused)

2-Sense (Negative Induction) 7 N/C (Not Used)

3 XP (internal use) 8 N/C (unused)

4 Prohibit LO (prohibit low level) 9 N/C (unused)

5 Prohibit HI (prohibit high level) 10 N/C (unused)

(3) Control function

Remote switch: Turn off V1 and fan at<0.4V, open circuit or turn on at>4V; Short circuit between Inhibit HI and Inhibit LO to enable output

Remote sensing: Compensate for a total voltage drop of 0.5V