LED Lamps socket GU4

People often get confused between illuminants with GU4 and G4 sockets. Not only are the names very similar, but the dimensions with a pin spacing of 4 mm also seem identical at first glance. GU4 and G4 sockets are both present in low-voltage halogen lamps and are the next smaller versions of the GU5.3 type. Contacts of the LED lamp socket GU4: The contacts of the GU4 socket have a diameter of 0.95 to 1.05 mm. The "U" stands for the U-shaped cross grooves. A spring in the lamp socket engages from...
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LED Lamps socket GU4
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LED Lamps socket GU4

People often get confused between illuminants with GU4 and G4 sockets. Not only are the names very similar, but the dimensions with a pin spacing of 4 mm also seem identical at first glance. GU4 and G4 sockets are both present in low-voltage halogen lamps and are the next smaller versions of the GU5.3 type.

Contacts of the LED lamp socket GU4

The contacts of the GU4 socket have a diameter of 0.95 to 1.05 mm. The "U" stands for the U-shaped cross grooves. A spring in the lamp socket engages from both sides, ensuring reliable hold and electrical contact. The pin spacing of 4 mm in the G4 socket is the same as in the GU4 socket, but the two differ because the former does not have the U-shaped groove on the illuminant. The contacts of the G4 socket (0.65 to 0.75 mm) are also slightly thinner than those of the GU4.

For the most uniform possible light output

Both GU4 and G4 sockets are usually combined with MR11 reflectors with a diameter of 11/8 inch (MR35 if specified in millimetres). They are used wherever space is limited and the large GU5.3 and MR16 (MR51) solutions do not fit, for example in designer ceiling lights or in recessed solutions - not only in furniture but also in extractor hoods above the stove, for example. Table lamps, desk lamps and camping lamps in caravans and mobile homes are also equipped with GU4 or G4 sockets. When buying these, make sure that the reflector has the right dimensions and that the light output is as uniform as possible.

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Philips CorePro LEDspot 2.3-20W 827 MR11 36D
Philips CorePro LEDspot 2.3-20W 827 MR11 36D
€11.70 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
Osram PARATHOM MR11 35 36° 4.5 W/2700K GU4 DIM
Osram PARATHOM MR11 35 36° 4.5 W/2700K GU4 DIM
€6.43 *
incl. tax, plus shipping costs
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Osram PARATHOM MR11 20 36 ° 2.5 W/2700 K GU4
OSRAM PARATHOM® MR11 12 V 20 36 ° 2.5 W/2700 K GU4
€5.30 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/4000 K GU4
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/4000 K GU4
€6.49 *
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Availability:
Currently not available;
Article is coming soon
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OSRAM LED SUPERSTAR MR11 12 V 20 36 ° 3.2 W/2700 K GU4
OSRAM LED SUPERSTAR MR11 12 V 20 36 ° 3.2 W/2700 K GU4
€9.19 *
incl. tax, plus shipping costs
Availability:
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OSRAM LED STAR MR11 12 V 20 36 ° 2,5 W/2700 K GU4
OSRAM LED STAR MR11 12 V 20 36 ° 2.5 W/2700 K GU4
€7.19 *
incl. tax, plus shipping costs
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Osram PARATHOM MR11 20 36° 2.5 W/4000 K GU4
OSRAM PARATHOM® MR11 12 V 20 36 ° 2.5 W/4000 K GU4
OSRAM PARATHOM® MR11 12 V 20 36 ° 2.5 W/4000 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
€5.31 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
Philips CorePro LEDspot 2.3-20W 827 MR11 36D
Philips CorePro LEDspot 2.3-20W 827 MR11 36D
Philips CorePro LEDspot 2.3-20W 827 MR11 36D
General properties • Base: GU4 [ GU4] • Nominal life (Nom): 25000 h • Switching cycle: 50000X • Technical type: 2.3-20W • Lighting data • Color code: 827 [ CCT of 2700...
€11.70 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
Osram PARATHOM MR11 35 36° 4.2 W/2700K GU4
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/2700 K GU4
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/2700 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
€6.30 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
Osram PARATHOM MR11 20 36 ° 2.5 W/2700 K GU4
OSRAM PARATHOM® MR11 12 V 20 36 ° 2.5 W/2700 K GU4
OSRAM PARATHOM® MR11 12 V 20 36 ° 2.5 W/2700 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
€5.30 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
NEW
LEDVANCE LED MR11 P 2.5W 827 GU4
LEDVANCE LED MR11 P 2.5W 827 GU4
LEDVANCE LED MR11 P 2.5W 827 GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
€5.62 *
incl. tax, plus shipping costs
Availability:
Delivery time: 3-5 days
Delivery time: approx. 3-5 days
Osram PARATHOM MR11 35 36° 4.5 W/2700K GU4 DIM
Osram PARATHOM MR11 35 36° 4.5 W/2700K GU4 DIM
Osram PARATHOM MR11 35 36° 4.5 W/2700K GU4 DIM
Rated wattage: 4.50 W • Nominal wattage: 4.50 W • Nominal voltage: 12 V • Claimed equiv. conventional lamp power: 35 W • Max. lamp no. on circuit break. 10 A (B): 30 • Max....
€6.43 *
incl. tax, plus shipping costs
Availability:
Currently not available
Currently not available
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/4000 K GU4
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/4000 K GU4
OSRAM PARATHOM® MR11 12 V 35 36 ° 4.2 W/4000 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
€6.49 *
incl. tax, plus shipping costs
Availability:
Currently not available;
Article is coming soon
Currently not available
OSRAM LED SUPERSTAR MR11 12 V 20 36 ° 3.2 W/2700 K GU4
OSRAM LED SUPERSTAR MR11 12 V 20 36 ° 3.2 W/2700 K GU4
OSRAM LED SUPERSTAR MR11 12 V 20 36 ° 3.2 W/2700 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: Professional LED alternative to halogen MR11 lamps • Dimmable (with many common dimmers, see also...
€9.19 *
incl. tax, plus shipping costs
Availability:
Currently not available
Currently not available
OSRAM LED STAR MR11 12 V 20 36 ° 2,5 W/2700 K GU4
OSRAM LED STAR MR11 12 V 20 36 ° 2.5 W/2700 K GU4
OSRAM LED STAR MR11 12 V 20 36 ° 2.5 W/2700 K GU4
LED reflector lamps. Product features: Professional LED alternative to halogen MR11 lamps • Mercury-free lamps • : Long lifetime of up to 15,000 h • Low energy consumption...
€7.19 *
incl. tax, plus shipping costs
Availability:
Currently not available
Currently not available
OSRAM LED SUPERSTAR MR11 12 V 35 36 ° 4,5 W/2700 K GU4
OSRAM LED SUPERSTAR MR11 12 V 35 36 ° 4.5 W/2700 K GU4
OSRAM LED SUPERSTAR MR11 12 V 35 36 ° 4.5 W/2700 K GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: Professional LED alternative to halogen MR11 lamps • Dimmable (with many common dimmers, see also...
€11.19 *
incl. tax, plus shipping costs
Availability:
Currently not available
Currently not available
OSRAM LED STAR MR11 12 V 35 36 ° 4.2 W/2700 K GU4
OSRAM LED STAR MR11 12 V 35 36 ° 4.2 W/2700 K GU4
OSRAM LED STAR MR11 12 V 35 36 ° 4.2 W/2700 K GU4
LED reflector lamps. Product features: Professional LED alternative to halogen MR11 lamps • Mercury-free lamps • : Long lifetime of up to 15,000 h • Low energy consumption...
€9.19 *
incl. tax, plus shipping costs
Availability:
Currently not available
Currently not available
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LEDVANCE LED MR11 DIM P 2.8W 927 GU4
LEDVANCE LED MR11 DIM P 2.8W 927 GU4
LEDVANCE LED MR11 DIM P 2.8W 927 GU4
Dimmable low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Dimmable...
€8.04 *
incl. tax, plus shipping costs
Availability:
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Delivery time: approx. 2 weeks
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LEDVANCE LED MR11 DIM P 4.5W 927 GU4
LEDVANCE LED MR11 DIM P 4.5W 927 GU4
LEDVANCE LED MR11 DIM P 4.5W 927 GU4
Dimmable low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Dimmable...
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LEDVANCE LED MR11 P 2.5W 840 GU4
LEDVANCE LED MR11 P 2.5W 840 GU4
LEDVANCE LED MR11 P 2.5W 840 GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
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incl. tax, plus shipping costs
Availability:
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Delivery time: approx. 2 weeks
Delivery time: approx. 2 weeks
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LEDVANCE LED MR11 P 4.2W 827 GU4
LEDVANCE LED MR11 P 4.2W 827 GU4
LEDVANCE LED MR11 P 4.2W 827 GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
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incl. tax, plus shipping costs
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Delivery time: approx. 2 weeks
Delivery time: approx. 2 weeks
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LEDVANCE LED MR11 P 4.2W 840 GU4
LEDVANCE LED MR11 P 4.2W 840 GU4
LEDVANCE LED MR11 P 4.2W 840 GU4
Low-voltage LED reflector lamps MR11 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...
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incl. tax, plus shipping costs
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Delivery time: approx. 2 weeks
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Facts
People often get confused between illuminants with GU4 and G4 sockets. Not only are the names very similar, but the dimensions with a pin spacing of 4 mm also seem identical at first glance. GU4 and G4 sockets are both present in low-voltage halogen lamps and are the next smaller versions of the GU5.3 type. Contacts of the LED lamp socket GU4: The contacts of the GU4 socket have a diameter of 0.95 to 1.05 mm. The "U" stands... Read more »
Viewed
Facts

People often get confused between illuminants with GU4 and G4 sockets. Not only are the names very similar, but the dimensions with a pin spacing of 4 mm also seem identical at first glance. GU4 and G4 sockets are both present in low-voltage halogen lamps and are the next smaller versions of the GU5.3 type.

Contacts of the LED lamp socket GU4

The contacts of the GU4 socket have a diameter of 0.95 to 1.05 mm. The "U" stands for the U-shaped cross grooves. A spring in the lamp socket engages from both sides, ensuring reliable hold and electrical contact. The pin spacing of 4 mm in the G4 socket is the same as in the GU4 socket, but the two differ because the former does not have the U-shaped groove on the illuminant. The contacts of the G4 socket (0.65 to 0.75 mm) are also slightly thinner than those of the GU4.

For the most uniform possible light output

Both GU4 and G4 sockets are usually combined with MR11 reflectors with a diameter of 11/8 inch (MR35 if specified in millimetres). They are used wherever space is limited and the large GU5.3 and MR16 (MR51) solutions do not fit, for example in designer ceiling lights or in recessed solutions - not only in furniture but also in extractor hoods above the stove, for example. Table lamps, desk lamps and camping lamps in caravans and mobile homes are also equipped with GU4 or G4 sockets. When buying these, make sure that the reflector has the right dimensions and that the light output is as uniform as possible.