MEAN WELL EPP-120S Series 120W 3 Inch ×2 Inch Green Open Frame Power Supply
Features

- 3″ 2″ Compact Size
- 120W convection,150W peak (10sec.)
- EMI for both ClassⅠ& Class Ⅱ configuration
- -30~+85℃ wide range operating temperature
- No load power consumption<0.3W
- High efficiency up to 94%
- Protections: Short circuit / Overload / Over voltage / Over temperature
- Operating altitude up to 5000 meters (Note.5)
- 3 years warranty
Applications

- Industrial automation machinery
- Industrial control system
- Mechanical and electrical equipment
- Electronic instruments, equipment’s or apparatus
GTIN CODE
MW Search: https://www.meanwell.com/serviceGTIN.aspx
Description
EPP-120S is a 120W highly reliable green PCB type power supply with a high power density on the 3 by 2 footprint. It accepts 80~264VAC input and offers various output voltages between 12V and 48V. The working efficiency is up to 94% and the extremely low no load power consumption is down below 0.3W.EPP-120S is able to be used for both ClassⅠ(with FG) and ClassⅡ(no FG) system design. EPP-120S has the complete protection functions; it is complied with the international safety regulations such as TUV BS EN/EN62368-1, BS EN/EN60335-1, UL62368-1 and IEC62368-1. EPP-120S series serves as a high price-to-performance power supply solution for various industrial applications.
Model Encoding

SPECIFICATION
| MODEL | EPP-120S-12 | EPP-120S-15 | EPP-120S-24 | EPP-120S-27 | EPP-120S-48 | ||||
| OUTPUT | DC VOLTAGE | 12V | 15V | 24V | 27V | 48V | |||
| CURRENT | Peak(10 sec.) | 11.8A | 9.5A | 6.25A | 5.55A | 3.125A | |||
| Convection | 9.5A | 7.6A | 5A | 4.44A | 2.5A | ||||
| RATED POWER | Peak(10 sec.) | 141.6W | 142.5W | 150W | 149.8W | 150W | |||
| Convection | 114W | 114W | 120W | 119.9W | 120W | ||||
| RIPPLE & NOISE (max.) Note.2 | 100mVp-p | 120mVp-p | 150mVp-p | 150mVp-p | 200mVp-p | ||||
| VOLTAGE ADJ. RANGE | 11.4~12.6V | 14.3~15.8V | 22.8~25.2V | 25.6 ~ 28.4V | 45.6 ~50.4V | ||||
| VOLTAGE TOLERANCE Note.3 | ±2.0% | ±2% | ±1.0% | ±1.0% | ±1.0% | ||||
| LINE REGULATION | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ||||
| LOAD REGULATION | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ||||
| SETUP, RISE TIME | 600ms, 30ms/230VAC 600ms, 30ms/115VAC at full load | ||||||||
| HOLD UP TIME (Typ.) | 15ms/230VAC 15ms/115VAC at full load | ||||||||
| INPUT | VOLTAGE RANGE Note.4 | 80 ~ 264VAC 113 ~ 370VDC | |||||||
| FREQUENCY RANGE | 47 ~ 63Hz | ||||||||
| POWER FACTOR | PF>0.94/230VAC PF>0.98/115VAC at full load | ||||||||
| EFFICIENCY (Typ.) | 91% | 92% | 93% | 94% | 93.5% | ||||
| AC CURRENT (Typ.) | 2.3A/115VAC 1.1A/230VAC | ||||||||
| INRUSH CURRENT (Typ.) | COLD START 30A/115VAC 60A/230VAC | ||||||||
| LEAKAGE CURRENT | <0.75mA / 240VAC | ||||||||
| PROTECTION | OVERLOAD | 130~160% rated output power | |||||||
| Protection type : Hiccup mode, recovers automatically after fault condition is removed | |||||||||
| OVER VOLTAGE | 13.2 ~ 15.6V | 16.5 ~ 19.5V | 26.4 ~ 31.2V | 29.7 ~ 35V | 52.8 ~ 62.4V | ||||
| Protection type : Shut down o/p voltage, re-power on to recover | |||||||||
| OVER TEMPERATURE | Protection type : Shut down o/p voltage, recovers automatically after temperature goes down | ||||||||
| ENVIRONMENT | WORKING TEMP. | -30 ~ +85℃ (Refer to “Derating Curve”) | |||||||
| WORKING HUMIDITY | 20 ~ 90% RH non-condensing | ||||||||
| STORAGE TEMP. | -40 ~ +85℃ | ||||||||
| TEMP. COEFFICIENT | ±0.03%/℃ (0 ~ 50℃) | ||||||||
| VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | ||||||||
| OPERATING ALTITUDE (Note.5) | 5000 meters | ||||||||
| SAFETY & EMC (Note 6) | SAFETY STANDARDS | UL62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, IEC62368-1, EAC TP TC 004 approved | |||||||
| WITHSTAND VOLTAGE | I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:1.5KVAC | ||||||||
| ISOLATION RESISTANCE | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC / 25℃/ 70% RH | ||||||||
| EMC EMISSION | Parameter | Standard | Test Level / Note | ||||||
| Conducted emission | BS EN/EN55032 (CISPR32) | Class B | |||||||
| Radiated emission | BS EN/EN55032 (CISPR32) | ClassⅠ: Class B , Class Ⅱ: Class A | |||||||
| Harmonic current | BS EN/EN61000-3-2 | Class A | |||||||
| Voltage flicker | BS EN/EN61000-3-3 | —– | |||||||
| EMC IMMUNITY | BS EN/EN55035, BS EN/EN61000-6-2 | ||||||||
| Parameter | Standard | Test Level / Note | |||||||
| ESD | BS EN/EN61000-4-2 | Level 3, 8KV air ; Level 3, 4KV contact | |||||||
| RF field susceptibility | BS EN/EN61000-4-3 | Level 3, 10V/m( 80MHz~2.7GHz ) Table 9, 9~28V/m( 385MHz~5.78GHz ) | |||||||
| EFT bursts | BS EN/EN61000-4-4 | Level 3, 2KV | |||||||
| Surge susceptibility | BS EN/EN61000-4-5 | Level 4, 4KV/Line-FG; 2KV/Line-Line | |||||||
| Conducted susceptibility | BS EN/EN61000-4-6 | Level 3, 10V | |||||||
| Magnetic field immunity | BS EN/EN61000-4-8 | Level 4, 30A/m | |||||||
| Voltage dip, interruption | BS EN/EN61000-4-11 | 95% dip 0.5 periods, 30% dip 25 periods, 95% interruptions 250 periods | |||||||
| OTHERS | MTBF | 4071.1K hrs min. Telcordia SR-332 (Bellcore) ; 470.2K hrs min. MIL-HDBK-217F (25℃) | |||||||
| DIMENSION | 76.2*50.8*28mm (L*W*H) or 3″ * 2″ *1.1″ inch | ||||||||
| PACKING | 0.13Kg; 100pcs/14Kg/1.13CUFT | ||||||||
| NOTE | 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 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. Derating may be needed under low input voltages. Please check the derating curve for more details. 5. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft). 6. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to EMI testing of component power supplies. (as available on http://www.meanwell.com) ※ Product Liability Disclaimer:For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx | ||||||||
Block Diagram

Derating Curve

Output Derating VS Input Voltage

Mechanical Specification

AC Input Connector (CN1) : JST B3P-VH or equivalent
| Pin No. | Assignment | Mating Housing | Terminal |
| 1 | AC/L | JST VHR or equivalent | JST SVH-21T-P1.1 or equivalent |
| 2 | No Pin | ||
| 3 | AC/N |
DC Output Connector (CN100) : JST B4P-VH or equivalent
| Pin No. | Assignment | Mating Housing | Terminal |
| 1,2 | +V | JST VHR or equivalent | JST SVH-21T-P1.1 or equivalent |
| 3,4 | -V |
HS1 must have safety isolation distance with system case.
Note :
- EPP-120S model delivers EMI Class B for both conducted emission and radiated emission for the power supply, when configured into Class Ⅰ(with FG) system.
- EPP-120S model delivers EMI Class B conducted emission and Class A radiated emission with King Core K5B RC (12*15*7) in output cable for the power supply when configured into Class Ⅱ (no FG) system.
Installation Manual
Please refer to : http://www.meanwell.com/manual.html

References
TÜV Rheinland - Home | US | TÜV Rheinland
MEAN WELL Switching Power Supply Manufacturer
Installation Manual-MEAN WELL Switching Power Supply Manufacturer
Product Liability Disclaimer-MEAN WELL Switching Power Supply Manufacturer
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