MEAN WELL ERP-350 Series 350W Single Output Switching Power Supply Owner’s Manual

MEAN WELL ERP-350 Series 350W Single Output Switching Power Supply

Product Information

Product Specifications

MODEL| DC VOLTAGE| RATED CURRENT| CURRENT RANGE RATED POWER| RIPPLE & NOISE (max.)
---|---|---|---|---
ERP-350-12| 12V| 26.7A| 0 ~ 26.7A 320.4W| 150mVp-p
ERP-350-24| 24V| 14.6A| 0 ~ 14.6A 350.4W| 150mVp-p
ERP-350-36| 36V| 9.7A| 0 ~ 9.7A 349.2W| 240mVp-p
ERP-350-48| 48V| 7.3A| 0 ~ 7.3A 350.4W| 240mVp-p

Frequently Asked Questions

• Q: Can I use ERP-350 series power supply for outdoor applications?
  • A: The ERP-350 series is designed for indoor use only and should not be exposed to outdoor elements to ensure proper functioning and safety.
• Q: What is the maximum ripple and noise level for ERP-350-36 model?
  • A: The maximum ripple and noise level for the ERP-350-36 model is 240mVp-p, as indicated in the specifications.
• Q: How do I ensure proper ventilation for the ERP-350 series power supply?
  • A: To maintain optimal performance and prevent overheating, ensure that the power supply unit has proper ventilation by keeping it in a well-ventilated area with sufficient airflow.

Features

• AC input 180~264VAC
• Withstand 300 VAC surge input for 5 seconds
• Design against rain splash
• Protections: Short circuit / Overload / Over voltage/ Over temperature
• Cooling by free air convection
• LED indicator for power on
• Low cost,high reliability
• 100% full load burn-in test
• 3 years warranty

Applications

• LED strip lighting
• LED channel letters
• LED display

GTIN CODE

• MW Search: https://www.meanwell.com/serviceGTIN.aspx

Description

ERP-350 series is a 350W single output enclosed type AC/DC power supply. It adopts an aluminum case and the interior is semi-potted, protecting the internal electronic components from rain splash and dust. With the complete protection functions, ERP-350 is suitable for the applications such as outdoor LED channel letters, billboard, commercial display, etc.

Model Encoding

SPECIFICATION

MODEL|  | ERP-350-12| ERP-350-24| ERP-350-36| ERP-350-48
---|---|---|---|---|---

OUTPUT

| DC VOLTAGE| 12V| 24V| 36V| 48V
RATED CURRENT| 26.7A| 14.6A| 9.7A| 7.3A
CURRENT RANGE| 0 ~ 26.7A| 0 ~ 14.6A| 0 ~ 9.7A| 0 ~ 7.3A
RATED POWER| 320.4W| 350.4W| 349.2W| 350.4W
RIPPLE & NOISE (max.) **Note.2| 150mVp-p| 150mVp-p| 240mVp-p| 240mVp-p
VOLTAGE ADJ. RANGE| 10.8 ~ 13.2V| 21.6 ~ 26.4V| 32.4 ~ 39.6V| 43.2 ~ 52.8V
VOLTAGE TOLERANCE Note.3| ±1.0%| ±1.0%| ±1.0%| ±1.0%
LINE REGULATION| ±0.5%| ±0.5%| ±0.5%| ±0.5%
LOAD REGULATION| ±0.5%| ±0.5%| ±0.5%| ±0.5%
SETUP, RISE TIME| 1500ms, 200ms/230VAC
HOLD UP TIME (Typ.)**| 20ms/230VAC

INPUT

| VOLTAGE RANGE| 180 ~ 264VAC       254 ~ 370VDC
FREQUENCY RANGE| 47 ~ 63Hz
EFFICIENCY (Typ.)| 87%| 89%| 90%| 90%
AC CURRENT (Typ.)| 4A/230VAC
INRUSH CURRENT (Typ.)| 90A/230VAC
LEAKAGE CURRENT| <1mA / 240VAC

PROTECTION

| ****

OVER LOAD

| 110 ~ 140% rated output power| 130 ~ 180% rated output power| 120 ~ 160% rated output power
12-36V Hiccup mode, recovers automatically after fault condition is removed 48V Shut down and latch off o/p voltage, re-power on to recover

OVER VOLTAGE

| 13.8 ~ 16.2V| 27.6 ~ 32.4V| 41.4 ~ 46.8V| 55.2 ~ 64.8V
12-36V Hiccup mode, recovers automatically after fault condition is removed 48V Shut down and latch off o/p voltage, re-power on to recover
OVER TEMPERATURE| 12-36V Shut down O/P voltage, recovers automatically after temperature goes down 48V Shut down and latch off o/p voltage, re-power on to recover

ENVIRONMENT

| WORKING TEMP.| -30 ~ +60℃ (Refer to output load derating curve)
WORKING HUMIDITY| 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY| -30 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT| ±0.05%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

| SAFETY STANDARDS| UL 62368-1,IEC 62368-1,GB 4943.1,EAC TP TC 004 approved
WITHSTAND VOLTAGE| I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE| I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25℃/ 70% RH
EMC EMISSION| Refer to EN55022 (CISPR22) class A, EAC TP TC 020
EMC IMMUNITY| Refer to EN61000-4-5;light industry level, EAC TP TC 020

OTHERS

| MTBF| 2396.7K hrs min. Telcordia SR-332 (Bellcore)           321Khrs min.       MIL-HDBK-217F (25℃)
DIMENSION| 220.413048mm (LWH)
PACKING| 0.9Kg; 9 pcs/11Kg/0.63CUFT
NOTE|

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°C of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0. 1uf & 47uf parallel capacitor.
3. Tolerance: includes set up tolerance, line regulation and load regulation.
4. The ambient temperature derating of 3.5°C/1000m with fanless models and of 5°C/1000m with fan models for operating altitude higher than 2000m(6500ft).

• Product Liability Disclaimer : For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

Block Diagram

Derating Curve

Static Characteristics

Mechanical Specification

• Case No. 230
• Unit: mm

Terminal Pin No. assignment

Installation

1. ERP-350 is designed for outdoor application and should be installed in the place with shelter.
2. ERP-350 should be installed in an upright position, leaning forward, backward or lay flat are not allowed.
3. For heat dissipation, at least 10cm installation distance around the PSU should be kept, shown as below:

User’s Manual

Documents / Resources

| MEAN WELL ERP-350 Series 350W Single Output Switching Power Supply [pdf] Owner's Manual
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