The LEDVANCE OSRAM DULUX LED S9 EM & AC 4W/840/G23 is a compact LED lamp that operates directly on a 230 V AC mains network. With its G23 2-pin base, it replaces a 9 W conventional lamp while drawing just 4 W, delivering 550lm of 4000K cool white light at 137 lm/W efficacy.

Mercury-free and compact, it suits general lighting in supermarkets, department stores, transit spaces, corridors, hotels and restaurants. The lamp operates within ambient temperatures from -20 to +45 °C and is also suitable for DC supply between 186 and 260V.

Key Features

• G23 2-pin base — single-ended socket for direct fit
• Direct operation on 220–240V AC mains without external driver
• 4000K cool white (840) with Ra80 colour rendering
• 137 lm/W luminous efficacy from a 4W LED engine
• Frosted design with 120° beam angle for diffuse light

Product Benefits

• Replaces a 9W conventional lamp for direct energy savings
• Mercury-free construction supports safer disposal
• Operates from -20 to +45 °C for varied indoor environments
• Compact form makes lamp changes quick and tool-free
• Supports DC supply 186–260V for emergency lighting circuits

Technical Specifications

• Rated Power: 4 W
• Equivalent Conventional Power: 9 W
• Luminous Flux: 550 lm
• Luminous Efficacy: 137 lm/W
• Colour Temperature: 4000 K (Cool White 840)
• Colour Rendering Index: Ra80
• Base: G23 single-ended, 2-pin
• Rated Voltage: 220–240V
• Rated Current: 18 mA
• Inrush Current: 4 A
• Operating Frequency: 50/60 Hz
• DC Supply: 186–260V (Yes)
• Luminous Maintenance Factor: 0.7
• Beam Angle: 120°
• Ambient Temperature: -20 to +45 °C
• Design: Frosted
• Dimmable: No
• Energy Class: E
• Protection: IP20
• Standards: CE, UKCA, EAC
• Total Length: 165 mm
• Tube Diameter: 26 mm
• Maximum Diameter: 33 mm
• Weight: 41 g

Why You'll Love It

• Direct AC operation removes the need for a separate ballast
• 137 lm/W efficacy keeps long-term running costs low
• Mercury-free design is easier to manage at end of life
• Package includes 1× LEDVANCE OSRAM DULUX LED S9 EM & AC 4W/840/G23