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Mean Well EPP-400-18 Power Supply 250W 18V

5" x 3", high efficiency up to 93%, economical PFC, no load power consumption
SKU:
EPP-400-18

$78.26 USD
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Description

Features

Universal AC input / Full range
Built-in active PFC function
EMI Class B for Class I & Class A for Class II configuration
High efficiency up to 93%
Withstand 300VAC surge input for 6 seconds 
No load power consumption<0.5W by PS ON control
5"x3" miniature size
High efficiency up to 94%
Protections: Short circuit/Overload/Over voltage/Over temperature
Cooling by free air convection for 250W and 400W with 25 CFM forced air
Built-in 12V/0.5A FAN
With power good and fail signal output
Built-in remote sense function

No load power consumption under 0.5W by PS-ON control
Standby 5V@1A with fan, @ 0.6A without fan 

LED indicator for power on 
Output 18V available
Operating altitude up to 5000 meters
3 years warranty

General Specification

AC input voltage range 80 ~ 264VAC; 113 ~ 370VDC
AC inrush current COLD START 40A/115VAC
Leakage current

<0.75mA / 240VAC

Overload protection 105 ~ 135% rated output power
Over-voltage protection 108%~130% rated output voltage
Setup, rise, hold up time 1000ms, 30ms, 16ms
Withstand voltage I/P-O/P:3KVAC, I/P-FG:2KVAC, O/P-FG:0.5KVAC
Working temperature -30~+70°C
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Safety standards UL62368-1, TUV BS EN/EN62368-1,BS EN/EN60335-1, IEC62368-1, CCC GB4943.1, EAC TP TC 004 approved
EMC standards UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved
Connection I/P: 3 Pin JST B3P-VH, O/P: 4 Pin JST B4P-VH
Dimension (LxWxH) 127x76.2x35
Packing 36pcs / 15kg

Specifications

  • Brand
    Mean Well
  • Series
    EPP Series
  • Power Rating
    250.5 Watt
  • Output Voltage
    18 Volt
  • Rated Current
    13.9 Ampere
  • Input Voltage
    80V~264V
  • No of Output
    1
  • Dimming Control
    None
  • Standards Met
    CB,CCC,CE,EAC,TUV,UL
  • Operation Mode
    Constant Voltage
  • Operating Temperature
    -30°C~70°C
  • Warranty
    3 Year
  • Length
    5 in
  • Width
    3 in
  • Height
    1.38 in
  • Weight
    0.86 lb

File Downloads

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Frequently Asked Questions

Can I use the EPP-400-18 for 18V industrial or embedded equipment?

Yes, if the equipment requires a constant-voltage 18V DC source and the total load stays within 13.9A and 250.5W. It is intended for applications that specifically call for 18V rather than the more common 12V or 24V rails.

Is the EPP-400-18 suitable for 18V production test fixtures or lab setups?

It can be a good fit for test fixtures that need regulated 18V DC with up to 13.9A available. The 80-264VAC input range also helps when the fixture may be used across different AC supply environments.

Can this model power several 18V boards or subsystems from one supply?

Yes, provided all connected loads are 18V constant-voltage devices and their combined demand does not exceed 13.9A or 250.5W. That makes it workable as a centralized 18V source for grouped embedded or industrial subsystems.

Is the EPP-400-18 appropriate for 18V automation accessories or specialty control hardware?

It is appropriate when the accessory or control hardware is specified for 18V DC input and needs no more than 250.5W total. The important fit criteria are the fixed 18V output and the available 13.9A current capacity.

Can the EPP-400-18 be used outside or in difficult thermal conditions?

The thermal rating is -30°C to +70°C, so the product data supports operation across a wide temperature range. No IP rating is listed in the provided specs, so outdoor, dust-tight, or water-resistant use should not be assumed from this information alone.

Other EPP-400 Models

6 other models
ModelPower Voltage Current IP RatingPrice
Mean Well EPP-400-48 Power Supply 254W 48V 254.4W 48V 5.3A Indoor$78.26 View
Mean Well EPP-400-36 Power Supply 252W 36V 252W 36V 7A Indoor$78.26 View
Mean Well EPP-400-27 Power Supply 251W 27V 251.1W 27V 9.3A Indoor$74.48 View
Mean Well EPP-400-24 Power Supply 252W 24V 252W 24V 10.5A Indoor$75.35 View
Mean Well EPP-400-15 Power Supply 250W 15V 250.5W 15V 16.7A Indoor$77.30 View
Mean Well EPP-400-12 Power Supply 250W 12V 249.6W 12V 20.8A Indoor$74.20 View
Mean Well EPP-400-18 Power Supply 250W 18V
Mean Well

Mean Well EPP-400-18 Power Supply 250W 18V

$78.26 USD

Features

Universal AC input / Full range
Built-in active PFC function
EMI Class B for Class I & Class A for Class II configuration
High efficiency up to 93%
Withstand 300VAC surge input for 6 seconds 
No load power consumption<0.5W by PS ON control
5"x3" miniature size
High efficiency up to 94%
Protections: Short circuit/Overload/Over voltage/Over temperature
Cooling by free air convection for 250W and 400W with 25 CFM forced air
Built-in 12V/0.5A FAN
With power good and fail signal output
Built-in remote sense function

No load power consumption under 0.5W by PS-ON control
Standby 5V@1A with fan, @ 0.6A without fan 

LED indicator for power on 
Output 18V available
Operating altitude up to 5000 meters
3 years warranty

General Specification

AC input voltage range 80 ~ 264VAC; 113 ~ 370VDC
AC inrush current COLD START 40A/115VAC
Leakage current

<0.75mA / 240VAC

Overload protection 105 ~ 135% rated output power
Over-voltage protection 108%~130% rated output voltage
Setup, rise, hold up time 1000ms, 30ms, 16ms
Withstand voltage I/P-O/P:3KVAC, I/P-FG:2KVAC, O/P-FG:0.5KVAC
Working temperature -30~+70°C
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Safety standards UL62368-1, TUV BS EN/EN62368-1,BS EN/EN60335-1, IEC62368-1, CCC GB4943.1, EAC TP TC 004 approved
EMC standards UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved
Connection I/P: 3 Pin JST B3P-VH, O/P: 4 Pin JST B4P-VH
Dimension (LxWxH) 127x76.2x35
Packing 36pcs / 15kg
View product