PRODUCT DATASHEET
ST CLAS A 40 4 W/827 E27
LED Retrofit CLASSIC A | LED lamps, classic bulb shape
AREAS OF APPLICATION
– Domestic applications
– General illumination
– Outdoor applications only in suitable luminaires
– Perfect for decorative installations
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PRODUCT BENEFITS
– Clear lamps with innovative LED "filament" technology
– Design, dimensions, luminous flux comparable to an incandescent or halogen lamp
– Very low energy consumption
– No UV and near-IR radiation in the light beam
– Instant 100 % light, no warm-up time
– Can be easily fitted instead of ordinary light bulbs
– Lower thermal output (compared with the standard reference product)
– Correct operation even at low temperatures
PRODUCT FEATURES
– Professional LED lamps for line voltage
– Not dimmable
– Mercury-free lamps
– Lifetime: up to 15,000 h
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ST CLAS A 40 4 W/827 E27 Page 1 of 4
– Beam angle: up to 300°
TECHNICAL DATA
Electrical data
Rated wattage 4.00 W
Nominal wattage 4.00 W
Nominal voltage 220…240 V
Operating frequency 50…60 Hz
Power factor λ > 0.40
Claimed equiv. conventional lamp power 40 W
Photometrical data
Nominal luminous flux 470 lm
Rated luminous flux 470 lm
Rated color temperature 2700 K
PRODUCT DATASHEET
Lumen main.fact.at end of nom.life time 0.70
Light color (designation) Warm White
Color temperature 2700 K
Luminous flux 470 lm
Color rendering index Ra ≥80
Standard deviation of color matching ≤6 sdcm
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Light technical data
Warm-up time (60 %) < 0.50 s
Starting time < 0.5 s
Dimensions & weight
Overall length 105.0 mm
Diameter 60.0 mm
Outer bulb A60
May 9, 2018, 19:18:53 © 2018, LEDVANCE GmbH. All rights reserved.
ST CLAS A 40 4 W/827 E27 Page 2 of 4
Length 105.0 mm
Temperatures & operating conditions
Maximum temperature at tc test point 50 °C
Lifespan
Nominal lamp life time 15000 h
Rated lamp life time 15000 h
Number of switching cycles 100000
Lumen maintenance at end of service life 0.70
Additional product data
Base (standard designation) E27
Mercury content 0.0 mg
Mercury-free Yes
Show WEEE picto Yes
PRODUCT DATASHEET
Product remark All technical parameters apply to the entire lamp/Due to the complex
production process for light-emitting diodes, the typical values shown for
the technical LED parameters are purely statistical values that do not
necessarily match the actual technical parameters of each individual
product, which can vary from the typical value
Capabilities
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Dimmable No
Certificates & standards
Energy efficiency class A++
Energy efficiency class A++
Energy consumption 5 kWh/1000h
Country-specific categorizations
Order reference LEDSCLA40 4W/82
LOGISTICAL DATA
Product code Product description Packaging unit
(Pieces/Unit)
4058075112216 ST CLAS A 40 4
W/827 E27
Shipping carton box10322 mm x 134 mm x
Dimensions (length x
width x height)
120 mm
Volume Gross weight
5.18 dm³ 508.00 g
The mentioned product code describes the smallest quantity unit which can be ordered. One shipping unit can contain one or more
single products. When placing an order, for the quantity please enter single or multiples of a shipping unit.
DISCLAIMER
May 9, 2018, 19:18:53 © 2018, LEDVANCE GmbH. All rights reserved.
ST CLAS A 40 4 W/827 E27 Page 3 of 4
Subject to change without notice. Errors and omission excepted. Always make sure to use the most recent release.
PRODUCT DATASHEET
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May 9, 2018, 19:18:53 © 2018, LEDVANCE GmbH. All rights reserved.
ST CLAS A 40 4 W/827 E27 Page 4 of 4
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