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Mean Well NPF-40-20 Power Supply 40W 20V 2A
Overview
NPF-40-20 is the 20V output model of this series: rated current 2A, rated power 40W, typical efficiency 88%.
NPF-40 series is a 40W AC/DC LED driver featuring the dual modes constant voltage and constant current output. NPF-40 operates from 90～305VAC and offers models with different rated voltage ranging between 12V and 54V. Thanks to the high efficiency up to 90%, with the fanless design, the entire series is able to operate for -40℃ ～ +85℃ case temperature under free air convection. The entire series is rated with IP67 ingress protection level and is suitable to work for a variety of applications at dry, damp or wet locations.
Features
- Constant Voltage + Constant Current mode output
- Plastic housing with Class II design
- Built-in active PFC function
- Class 2 power unit
- No load power consumption <0.15W
- IP67 rating for indoor or outdoor installations
- Typical lifetime>50,000 hours
- 5 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 20V
- CONSTANT CURRENT REGIONNote.2
- 12 ~ 20V
- RATED CURRENT
- 2A
- RATED POWERNote.5
- 40W
- RIPPLE & NOISE (max.)Note.3
- 150mVp-p
- VOLTAGE TOLERANCENote.4
- ±4.0%
- LINE REGULATION
- ±0.5%
- LOAD REGULATION
- ±1.0%
- SETUP, RISE TIMENote.6
- 500ms, 80ms 115VAC / 230VAC
- HOLD UP TIME (Typ.)
- 16ms/230VAC 16ms/115VAC
INPUT
- VOLTAGE RANGENote.5
- 90 ~ 305VAC 127 ~ 431VDC (Please refer to "STATIC CHARACTERISTIC" section)
- FREQUENCY RANGE
- 47 ~ 63Hz
- POWER FACTOR
- PF≧0.97/115VAC, PF≧0.95/230VAC, PF≧0.92/277VAC@full load (Please refer to "POWER FACTOR (PF) CHARACTERISTIC" section)
- TOTAL HARMONIC DISTORTION
- THD< 20%(@load≧60%/115VC,230VAC; @load≧75%/277VAC) (Please refer to “TOTAL HARMONIC DISTORTION(THD)” section)
- EFFICIENCY (Typ.)
- 88%
- AC CURRENT
- 0.6A / 115VAC 0.3A / 230VAC 0.25A / 277VAC
- INRUSH CURRENT(Typ.)
- COLD START 50A(twidth=270μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
- MAX. No. of PSUs on 16A CIRCUIT BREAKER
- 9 units (circuit breaker of type B) / 16 units (circuit breaker of type C) at 230VAC
- LEAKAGE CURRENT
- <0.25mA / 277VAC
- NO LOAD POWER CONSUMPTION
- <0.15W
PROTECTION
- OVER CURRENT
- 95 ~ 108% Constant current limiting, recovers automatically after fault condition is removed
- SHORT CIRCUIT
- Hiccup mode, recovers automatically after fault condition is removed
- OVER VOLTAGE
- 23 ~ 27V Shut down o/p voltage, re-power on to recover
- OVER TEMPERATURE
- Shut down o/p voltage, re-power on to recover
ENVIRONMENT
- WORKING TEMP.
- Tcase=-40 ~ +85℃ (Please refer to “ OUTPUT LOAD vs TEMPERATURE” section)
- MAX. CASE TEMP.
- Tcase=+85℃
- WORKING HUMIDITY
- 20 ~ 95% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +80℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03%/℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 5G 12min./1cycle, period for 72min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDSNote.8
- UL8750(type”HL”), UL879(for 12V,24V only), CSA C22.2 No. 250.13-12, ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384, EAC TP TC 004, GB/T19510.1,GB/T19510.213, IP67 approved; Design refer to BS EN/EN60335-1
- WITHSTAND VOLTAGE
- I/P-O/P:3.75KVAC
- ISOLATION RESISTANCE
- I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSIONNote.8
- Compliance to BS EN/EN55015, BS EN/EN61000-3-2 Class C (@load≧60%) ; BS EN/EN61000-3-3; GB/T 17743, GB17625.1, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11; BS EN/EN61547, light industry level (surge immunity Line-Line 2KV); EAC TP TC 020
OTHERS
- MTBF
- 3084.3K hrs min. Telcordia SR-332 (Bellcore) ; 288.2Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 150*53*35mm (L*W*H)
- PACKING
- 0.49Kg;30pcs/15.7Kg/1.0CUFT
Test conditions and notes11
- 1. All parameters NOT specially mentioned are measured at 230VAC input, rated current and 25℃ of ambient temperature.
- 2. Please refer to "DRIVING METHODS OF LED MODULE".
- 3. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
- 4. Tolerance : includes set up tolerance, line regulation and load regulation.
- 5. De-rating may be needed under low input voltages. Please refer to “STATIC CHARACTERISTIC” sections for details.
- 6. Length of set up time is measured at first cold start. Turning ON/OFF the driver may lead to increase of the set up time.
- 7. The driver is considered as a component that will be operated in combination with final equipment. Since EMC performance will be affected by the complete installation, the final equipment manufacturers must re-qualify EMC Directive on the complete installation again. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
- 8. This series meets the typical life expectancy of >50,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is about 75℃ or less.
- 9. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com
- 10. 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).
- 11. For any application note and IP water proof function installation caution, please refer our user manual before using. https://www.meanwell.com/Upload/PDF/LED_EN.pdf
Technical drawings
Typical applications
- LED panel lighting
- LED downlight
- LED decorative lighting
- LED tunnel lighting
- Moving sign
- Type "HL" for use in Class I, Division 2 hazardous (Classified) location
Downloads
Datasheet1
Certificates6
Catalogues1
FAQ
Can the NPF-40-20 be installed in damp or outdoor locations?
Yes. The NPF-40-20 is IP67 approved and operates at a case temperature (Tcase) of -40°C to +85°C, with load derating at higher temperatures. Its 150.0 × 53.0 × 35.0 mm sealed housing suits mounting inside outdoor fixtures and wet industrial enclosures; follow the manual's IP installation cautions.
What LED applications suit the NPF-40-20's 20V 40W output?
The NPF-40-20 supplies 20V DC at 2A (40W) in constant-current mode with a CC range of 12–20V. It is appropriate for low-power 20V LED systems including compact architectural accent lights, small signage modules, and embedded lighting in automated equipment that operates at 20V.
How does the NPF-40-20 compare to the NPF-40-24?
Both are in the ~40W class with IP67, the same 150.0 × 53.0 × 35.0 mm housing, and 0.49 kg weight. NPF-40-20 outputs 20V at 2A (40W, CC range 12–20V, 88% efficiency); NPF-40-24 outputs 24V at 1.67A (40.08W, CC range 14.4–24V, 89% efficiency). The main distinction is the output voltage; select the model that matches your LED module.
What certifications does the NPF-40-20 hold?
The NPF-40-20 is listed to UL8750 (type HL), CSA C22.2 No. 250.13-12, ENEC (EN61347-1, EN61347-2-13, EN62384), EAC TP TC 004 and GB/T19510, and is IP67 approved. EMC complies with EN55015, EN61000-3-2 Class C and EN61547; the final equipment must still be re-qualified for EMC.
Payment & Security
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Other NPF-40 Models
5 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well NPF-40-54 Power Supply 40W 54V 760mA | 41.04W | 54V | 0.76A | IP67 | $28.04 | View |
| Mean Well NPF-40-48 Power Supply 40W 48V 840mA | 40.32W | 48V | 0.84A | IP67 | $27.13 | View |
| Mean Well NPF-40-42 Power Supply 40W 42V 960mA | 40.32W | 42V | 0.96A | IP67 | $28.04 | View |
| Mean Well NPF-40-36 Power Supply 40W 36V 1.12A | 40.32W | 36V | 1.12A | IP67 | $28.04 | View |
| Mean Well NPF-40-30 Power Supply 40W 30V 1.34A | 40.2W | 30V | 1.34A | IP67 | $28.04 | View |
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