R4S78-20W-M

R4S78-20W-M led bulb  can be replaced street lamp high pressure sodium lamp, or mercury lamp, light Angle on 130 degrees, use in the street light, tunnel and other outdoor lamps and lanterns.

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20W 180 degree LED corn bulb with milky lens Self cooling device 4 Side 78mm Dia internal driver and inject AB glue

20W LED corn bulb Dimensions

20W LED corn bulb with milky lens Dimensions 

Model No.: R4S78-20W-M

Min. Order:1 Pieces

Products  Description

20W LED corn light special designed to replacement 60W HPS; Fin-style heat sink 

designed LED warehouse lighting, ultra-light high power corn LED bulbs, Edison screw led bulb with 

E26 &E27 E39&E40 base, easy installation, 5 Years warranty.

Certification: CE PSE RoHS FCC C-TICK

CE  certificationFCC certificationROHS certificationPSE certificationC-TICK certification

Features

•Adjusting the lighting direction with removable E27 socket base 130 beam angle
•Aluminum fins area enlarged maximum
•UL94-V0 fire resistance
•No screws fixing
•Innovative package solution utilized
•Simply Universal for all MH,HPS, and CFL light replacement

Multiple temperature control values. Over temperature protection,shut down at critical temperature and resume operation   temperature.

Reduce energy consumption and operating costs by as much as 85% or more.

High light transmittance,High lumen output ,140LM/W efficiency.

Environmentally friendly – fully recyclable, no mercury or other hazardous material.

Technical data 

Electrical data

Input voltage 100-277VAC   
Rated wattage
20W
Operating frequency
50/60Hz
Power factor  0.9
THD <15

Photometrical data

Lens Milky lens Transparent lens Without lens
Rated luminous flux 2400  Lm±4% 2600  Lm±4% 2800  Lm±4%
LED Luminous Efficiency 120 LM/W 130 LM/W 140 LM/W

Color rendering index

Ra>70

Color temperature

2700-3500K,4000-4500K,5000-5500K,6000-6500K

Light technical data

LED Type
LED QTY
Max Temperature(Ta=25°C)
Thermal protection(Half-power)
Epistar
70 PCS
Tmax=68°C
95°C
Beam Spreads
Starting time
Power recovery temperature
Operating Temperature(Ambient)
130°
< 0.5 s
50°C
-40°C~45°C
Dimming
Lifetime Limited Warranty
Storage Temperature
No
50,000 hours
5 years
-40°C~85°C

Light Distribution diagram


LED corn bulb Structure

Dailux LED corn bulb structure

LED corn bulbs Application

Dailux LED corn bulbs idea for high bay replacements, wall pack replacements, down light replacements,and LED canopy replacement bulbs,widely use as indoor and outdoor in the commercial center,park, office, 

factory,hotel,restaurants as ceiling lights, wall lights, and garden led lights.

LED corn bulbs replacement guide

      

R4S78-20W-M

  

                    HPS 60W
            MH 60W 
                CFL 80W

Incandenscent  

 Lamp 180W        

Installation

1.Lock the lamp on the 

lamp holder,Until the 

turn to be not moved.

2.Upward pressure on 

the lamp,Don't loosen.

3.Rotation direction, 

adjust the best light 

location.

4.Loosen the hand, and 

the installation is complete.





Wiring Diagram

dailux standard led corn bulb wiring diagram




Ordering Information

Example: R4S78-20W-T-U4-E40-CW

Product
Watt
Lens
Voltage
Base
CRI
CCT
R4S78

20W

30W

40W

M
Milky lens
T
Transparent lens
Blank
Without lens
U4
100-277

VAC


E26

E27

E39

E40

(screw
base)

Blank

Ra70

WW
2700-3500K
NW
4000-4500K
PW
5000-5500K
CW
6000-6500K

Dimensions weight

Data
Number
 G.W.
Dimension

Lamp 

(E27)

1PCS

340 g

(0.74 lbs)

Φ78.0*185.0 mm 

(Φ3.07*7.28 inches)

Lamp 

(E40)

      1PCS

360 g

(0.79 lbs)

Φ78.0*210.0 mm 

(Φ3.07*8.26 inches)

Boxes
1PCS

520 g/540 g

(1.16 lbs/1.21 lbs)

108.0*108.0*235 mm 

(4.25*4.25*9.25 inches)

Outer Carton
18PCS

10.90 Kg/11.30 Kg

 (24.03 lbs/24.91 lbs)

340.0*340.0*495.0 mm 

(13.38*13.38*19.48 inches)