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Mean Well

Mean Well PLC-100-20 Power Supply 100W 20V - PFC 4.8A

screw terminalfully isolated plastic casesuitable for signage applications
SKU PLC-100-20
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Overview

PLC-100-20 is the 20V output model of this series: rated current 4.8A, rated power 96W, typical efficiency 88.5%.

Features

  • Universal AC input / Full range
  • High efficiency up to 88.5%
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • Cooling by free air convection
  • Built-in active PFC function
  • Class 2 power unit
  • Pass LPS
  • 100% full load burn-in test
  • High reliability
  • Suitable for LED lighting and moving sign applications
  • Compliance to worldwide safety regulations for lighting
  • 2 years warranty

Specifications

PLC-100-20Specifications from the official datasheet (2026-06-15 edition)

OUTPUT

DC VOLTAGE
20V
CONSTANT CURRENT REGIONNote.4
15 ~ 20V
RATED CURRENTNote.6
4.8A
CURRENT RANGENote.6
0 ~ 4.8A
RATED POWERNote.6
96W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGE(Vo ADJ)
17 ~ 20V
CURRENT ADJ. RANGE(Io ADJ)
3.6 ~ 4.8A
VOLTAGE TOLERANCENote.3
±3.0%
LINE REGULATION
±1.0%
LOAD REGULATION
±2.0%
SETUP, RISE TIME
500ms, 80ms/230VAC 1200ms, 80ms/115VAC at full load
HOLD UP TIME (Typ.)
60ms/230VAC 16ms/115VAC at full load

INPUT

VOLTAGE RANGENote.5
90 ~ 264VAC 127 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.95/115VAC, PF>0.95/230VAC at full load (Please refer to "Power Factor Characteristic" curve)
TOTAL HARMONIC DISTORTION
THD< 20% when output loading≧75% at 115VAC/230VAC input
EFFICIENCY (Typ.)
88.5%
AC CURRENT (Typ.)
20V ~ 48V:1.1A/115VAC 0.55A/230VAC
INRUSH CURRENT (Typ.)
COLD START 40A(twidth=950μs measured at 50% Ipeak) at 230VAC
MAX. No. of PSUs on 16A CIRCUIT BREAKER
3 units (circuit breaker of type B) / 5 units (circuit breaker of type C) at 230VAC
LEAKAGE CURRENT
<0.75mA / 240VAC

PROTECTION

OVER CURRENT (Typ.)Note.4
95 ~ 102% Protection type : Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
22 ~ 27V Protection type : Shut down and latch off o/p voltage, re-power on to recover
OVER TEMPERATURE
Shut down o/p voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.
-30 ~ +50℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +80℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 12min./1cycle, period for 72min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDSNote.7
UL1310, TUV BS EN/EN60950-1, BS EN/EN61347-1, BS EN/EN61347-2-13, GB/T19510.1,GB/T19510.213, CAN/CSA C22.2 No. 223-M91(except for 48V), EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3.75KVAC 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
Compliance to BS EN/EN55015, GB/T 17743, GB17625.1, BS EN/EN61000-3-2,-3, Class C (≧70% load) ; BS EN/EN61000-3-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61547, BS EN/EN55035, light industry level, (surge 4KV), EAC TP TC 020

OTHERS

MTBF
2688.3K hrs min. Telcordia SR-332 (Bellcore) ; 297.9Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
200.5*69.5*35mm (L*W*H)
PACKING
0.52Kg; 25pcs/14Kg/0.65CUFT

Certifications & ratings

Marked features
LPS, PFC
Test conditions and notes11
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 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. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. Please refer to "DRIVING METHODS OF LED MODULE".
  5. 5. Derating may be needed under low input voltage. Please check the static characteristics for more details.
  6. 6. This is the maximum possible output current and power. Over load protection may be activated slightly below this level to comply with the requirement of UL1310 class 2.
  7. 7. Safety and EMC design refer to BS EN/EN60598-1, subject 8750(UL), CNS15233, GB7000.1, FCC part18.
  8. 8. The power supply 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)
  9. 9. To fulfill requirements of the latest ErP regulation for lighting fixtures, this LED power supply can only be used behind a switch without permanently connected to the mains.
  10. 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. 11. PLC-100-12 is used for any light source that exempt from the ErP-Directive (EU) 2019/2020 requirement, for example this model could be use for signalling products (including, but not limited to road-, railway-, marineorair traffic-signalling , traffic control or airfield lamps).

Technical drawings

PLC-100-20 Mechanical Specification
Mechanical Specification
PLC-100-20 Block Diagram
Block Diagram
PLC-100-20 Derating Curve
Derating Curve
PLC-100-20 Power Factor Characteristic
Power Factor Characteristic
PLC-100-20 EFFICIENCY vs LOAD (48V Model)
EFFICIENCY vs LOAD (48V Model)

Downloads

FAQ

What is the Mean Well PLC-100-20 typically used for?

The PLC-100-20 is a 100W class power supply designed for LED lighting and moving sign applications. Its 20V output, built-in active PFC, and constant voltage plus current-limiting design make it a practical fit for commercial and industrial lighting-related systems that need stable DC output.

What are the main output ratings of the PLC-100-20?

This model provides a 20V DC output with a rated current of 4.8A and a power rating of 96W. It also includes adjustable output voltage and current level settings within the product's designed operating range.

Is the PLC-100-20 a constant voltage power supply or a constant current model?

The PLC-100-20 operates in constant voltage mode with a built-in constant current limiting circuit, described as C.V. plus C.C. mode. That means it is primarily a 20V power supply, while also including current-limiting behavior for added protection and control.

Does the PLC-100-20 include power factor correction?

Yes. This model has a built-in PFC circuit with a typical power factor above 0.95 at full load, which is one of its key differentiators for buyers comparing commercial-grade LED power supplies.

What operating temperatures is the PLC-100-20 rated for?

The PLC-100-20 is rated for operation from -30°C to 50°C, with load derating at higher temperatures per the derating curve. That range makes it suitable for a wide variety of indoor and protected-environment applications where temperature stability matters.

What protection and reliability features does the PLC-100-20 include?

This model includes over current (constant current limiting), over voltage and over temperature protection. For reliability, the datasheet lists an MTBF of 2688.3K hours minimum (Telcordia SR-332) and 3.75KVAC input-output withstand voltage.

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Mean Well PLC-100-20 Power Supply 100W 20V - PFC 4.8A
Mean Well

Mean Well PLC-100-20 Power Supply 100W 20V - PFC 4.8A

Log in to see price

PLC-100-20 is the 20V output model of this series: rated current 4.8A, rated power 96W, typical efficiency 88.5%.

Features

  • Universal AC input / Full range
  • High efficiency up to 88.5%
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • Cooling by free air convection
  • Built-in active PFC function
  • Class 2 power unit
  • Pass LPS
  • 100% full load burn-in test
  • High reliability
  • Suitable for LED lighting and moving sign applications
  • Compliance to worldwide safety regulations for lighting
  • 2 years warranty
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