Reference: SLD9875X2E40
Bot Lighting 38W tubular high power hi bulb with E40 socket. Available in two light shades: 3000K and 4000K.
Reference: VNAV100740E401
Osram NAV 100 LED FIL V, 41W E40 tubular LED lamp with up to 190 lm/W efficacy, available in 2700K and 4000K, rated 25,000 hours.
Reference: PHB105840UNE40
Osram High Bay LED lamp E40, available in 105W, 150W or 160W, 4000K neutral light, designed for high-efficiency industrial lighting with a 50,000-hour lifespan.
Reference: 4028
Beneito Faure Moon, led bulb for indoor and outdoor environments (IP42) from 50w to 7250lm with cooling system for installations in sealed environments.
Reference: 3909
OBO led lamp available in the power variants 19-27-36-45 watts, E27 screw connection for all powers, E40 only for the 36 - 45 W versions, available in 2700K warm white light or 5000K cold white light.
Reference: L50SDHP4
High power ellipsoidal 50W LED lamp with sodium effect. E27 socket + E40 adapter. Body and heat sinks in thermally conductive plastic, cover in anti-glare opal polycarbonate.
Reference: L70SDHP4
High power ellipsoidal LED lamp with sodium effect. E27 socket + E40 adapter. Body and heat sinks in thermally conductive plastic, cover in anti-glare opal polycarbonate. Available in two versions of light shades.
Reference: CO30WBN
New CORN LED 30W high brightness, industrial light bulb with E27 socket with 200 ° beam and luminous flux of 2600-2850 lumens. Aluminum body, polycarbonate bulb. Available in 3000K warm light, 4100K neutral light or 6400K cold light. Dimensions: 100x185mm. Possibility to use E27 adapter to E40.
Reference: CO60WBN
New 60W high brightness industrial CORN LED bulb with E27 socket, with 200 ° beam and 5200-5400 lumen luminous flux. Aluminum body, polycarbonate bulb. Available in 4100K neutral light or 6400K cold light. Dimensions: D. 40x235mm. Possibility to use E27 adapter to E40.
Reference: L9040HP2
New E40 High Power Industrial LED bulbs with 200 ° beam and 8350 lm luminous flux. 93 lm / W ratio. 90W corresponding to 445W. Available with Neutral White Light 4000K. Dimensions: D. 39x270mm. Duration up to 15,000 hours.
Reference: L5040HP2
New Industrial LED bulb with E40 connection High Power model with 200 ° light beam and 4650 lm luminous flux. 96 lm / W ratio. 50W corresponding to 260W. Available with Neutral White Light 4000K. Dimensions: D. 18x231mm.
Reference: L9064HP2
New E40 High Power LED bulbs with 200 ° beam and 8600 lm luminous flux. 95 lm / W ratio. 90W corresponding to 457W. Available with 6400K Cold White Light. Dimensions: D. 39x270mm. Average lifetime 15.000 hrs
Reference: L5064HP2
New Industrial LED bulb with E40 connection High Power model with 200 ° light beam and 4800 lm luminous flux. 96 lm / W ratio. 50W corresponding to 268W. Available with 6400K Cold White Light. Dimensions: D. 18x231mm.

E40 Lampholder
E40 Lamp Holders for High-Power LED Bulbs: the Complete Range at Diffusione Luce
The E40 lamp holder, also known as "Goliath", is the largest of the screw sockets, used for high-power bulbs in industrial applications, street lighting, and large environments. In our selection you will find professional-quality E40 lamp holders for every installation need.
Technical features
Our E40 lamp holders are made of high thermal and mechanical resistance ceramic, with contacts sized to sustain high powers. Compatible with all new-generation E40 LED bulbs, replacements for sodium vapor, metal halide, and mercury lamps.
Main applications
The E40 socket is used in industrial lighting, warehouses, yards, street lighting, sports facilities, gyms, storage rooms, and large commercial spaces, where high powers and extended operating durations are required.
Advantages of LED retrofit
Replacing old discharge lamps with E40 LEDs ensures energy savings of up to 60%, instant switching on, drastic maintenance reduction, and better light quality. If a product shows zero availability, it can still be ordered on request: average delivery times are shown in the product page.