Door Switch Types | Refrigerator Lamp Switch Models

? Price Note: The prices given on this page are USD-based reference values. For the current TL equivalent and stock status, we recommend visiting the product page. On Yedepa.com, prices are calculated at the daily exchange rate.

Introduction: What Are the Types of Refrigerator Door Switches?

The refrigerator door switch is a small but critical micro switch that turns on the interior light when the cabinet door is opened, turns off the light when the door is closed and, on most models, stops the fan motor. When this seemingly simple plastic-bodied part fails, the light stays on constantly, the internal temperature rises, the compressor cuts in more often and energy consumption increases noticeably. Moreover, the heat given off by a constantly lit lamp also adversely affects cooling performance. For this reason, choosing the right model among the door switch types is extremely important for both the end user and the service technician.

As Yedepa.com, with years of experience in the HVAC and household appliance spare parts sector, we offer under one roof 2-socket, 3-socket, 4-socket and 5-socket refrigerator door switches compatible with many brands such as Arçelik, Beko, Vestel, Bosch, Samsung, LG, AEG, Uğur, Regal and Seg. In this guide we will answer, with technical details, the question technicians frequently ask: "Which switch should I choose?"

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Operating Principle and Technical Details of the Door Switch

The refrigerator door switch works as a mechanical push-button switch. When the door is closed, the plunger pressed by the gasket is pushed in and the circuit is open; when the door is opened, the plunger comes out under spring force, the internal contacts close and the lighting circuit is completed. In modern refrigerators, this mechanism triggers not only the light but also the No-Frost fan motor, the ice maker cooling fan and, on some models, the digital display. This is why multi-socket (3, 4, 5-pin) versions have been produced.

The main technical parameters to consider in a door switch are:

Current capacity: Usually 10A / 250V AC. For example, the "LKT - 10 A" label on the AEG refrigerator switch indicates this value.
Socket / pin count: 2, 3, 4 or 5-socket versions are available. The number of pins varies according to the number of lamp, fan and signal lines.
Number of press stages: There are single-stage (lamp only) or two-stage (lamp + fan) models.
Body dimensions: The fit into the clip seat is to millimeter precision; this is why OEM compatibility is critical.
Operating temperature: The -10°C to +60°C range is standard; models with a wider range are preferred in chest freezer applications.

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Door Switch Types and Models

In the sector, door switch types are generally classified by pin (socket) count and number of press stages. The most requested types in the Yedepa.com catalog are:

2-Socket Switches: For classic refrigerators with a single lamp circuit and for chest freezer applications. The Uğur Chest Freezer Refrigerator Door / Lamp Switch 2 Socket represents this category.
Two-Stage 3-Socket Switches: For No-Frost models requiring both lamp and fan control. The Two-Stage 3 Socket Refrigerator Door / Lamp Switch and the Bosch (HL 404 HS2) 3 Socket Refrigerator Door / Lamp Switch are examples of this type.
Two-Stage 4-Socket Switches: Frequently encountered in double-door models; the Refrigerator Door Button Switch 4 Socket - Compatible with Vestel, Seg, Arçelik, Beko, Regal is the most popular example.
Two-Stage 5-Socket Switches: The version with an extra signal line, in side-by-side and wardrobe-type large models.
OEM-Coded Switches: For those searching by original part code, such as the Samsung - LG Refrigerator Door Key Switch DA34-10108K or the LG & Samsung Refrigerator Door Key Switch 6600JB1010A.

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Which Model to Choose? Decision Guide

To choose the right door switch, we recommend following the sequence below:

Remove the old switch: Take the faulty part out of its seat and read the code on it. Codes such as DA34-10108K, 6600JB1010A or HL 404 HS2 are printed on the body by the manufacturer.
Count the pins: Is the socket input 2, 3, 4 or 5? This is the most critical compatibility criterion.
Check the number of press stages: Is there a single or a double (stepped) press on the plunger?
Identify the brand and model: Take the model number from the label on the back of your refrigerator.
Search on Yedepa.com: By searching the site by OEM code or brand name, you can easily find an exactly compatible replacement.

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Quick Compatibility Table

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Refrigerator Type	Recommended Switch	Pin Count	Press
Classic single-door	2 Socket OEM	2	Single
Chest freezer / Uğur	Uğur Chest Freezer 2 Socket	2	Single
No-Frost Bosch	Bosch HL 404 HS2	3	Double
Arçelik / Beko / Vestel	Switch 4 Socket	4	Double
Samsung / LG	DA34-10108K or 6600JB1010A	4	Double
AEG	AEG Two-Stage 3 Socket LKT-10A	3	Double
Large side-by-side	Two-Stage 5 Socket	5	Double

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Door Switch Types Available at Yedepa.com

The door switches in Yedepa.com stock most frequently ordered by technicians:

Uğur Chest Freezer Refrigerator Door / Lamp Switch 2 Socket — OEM quality for industrial and chest freezer type appliances.
Two-Stage 3 Socket Refrigerator Door / Lamp Switch — ideal for lamp + fan control in No-Frost models.
Refrigerator Door Button Switch 4 Socket — compatible with Vestel, Seg, Arçelik, Beko, Regal; the widest compatibility range.
Samsung - LG Refrigerator Door Key Switch DA34-10108K — with original Samsung part code, exact fit.
Bosch (HL 404 HS2) 3 Socket Refrigerator Door / Lamp Switch — AN-EL quality, compatible with Bosch and Siemens.
LG & Samsung Refrigerator Door Key Switch 6600JB1010A — compatible with the LG original part code.
Two-Stage 5 Socket Refrigerator Door / Lamp Switch — an economical option for large side-by-side models.
AEG Refrigerator Door / Lamp Switch Two-Stage 3 Socket LKT - 10 A — preferred in AEG and Electrolux cabinets.
Two-Stage 4 Socket Refrigerator Door / Lamp Switch — common in double-door and combi type models.
Arçelik Deka Refrigerator Door / Lamp Switch — made by AN-EL for older Arçelik Deka models.

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Professional Selection Criteria (From the Technician's Point of View)

For an HVAC or household appliance service technician, the biggest waste of time is returning an incompatible part. Criteria distilled from Yedepa.com's field experience:

OEM compatibility: If possible, order by original part code (such as DA34-10108K, 6600JB1010A, HL 404 HS2).
Socket connector type: The female connector at the end of the cable must sit fully on the male pins; a loose connection causes arcing.
Plastic quality: The clip end that sits in the door frame must withstand the load of frequent opening and closing; cheap cast plastics break within 6 months.
Spring strength: If the plunger spring is too weak, the light does not go out even though the door is closed; if it is too stiff, the gasket wears.
Brand preference: Samsung and LG original-coded parts come from Korean production lines; AN-EL, as a domestic brand, has a high success rate in Bosch and Arçelik cabinets; OEM generic versions offer a price-performance balance.

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Door Switch Replacement: Step-by-Step Procedure

Always unplug the refrigerator. The risk of electric shock is small, but it would be wrong to say it is zero.
Remove the switch cover in the door frame with a thin spatula or plastic wedge.
Carefully pull off the connector at the back of the old switch. Photograph the wire colors with your phone.
Fit the socket of the new switch in the same orientation; the pin count and order must match.
Press the switch into its seat; you should hear the clip "click".
Plug in, open and close the door; test the lamp and fan behavior.

Practical tip: If the light comes on but does not go out when the door is closed, the problem is often not the switch but the door gasket or the alignment. Check the gasket first.

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Usage and Maintenance Recommendations

Do not spray detergent or solvent chemicals directly onto the door switch plastic; abrasive substances crack the body.
Clean the dust that collects around the switch plunger with a soft brush; dust causes the plunger to stick and the light to stay on.
Wipe the gasket with a damp cloth once a year so that the refrigerator door closes tightly; a loose gasket leaves the switch permanently half-pressed.
If you have switched to LED lighting, do not fit a high-wattage bulb in place of the old 15W bulb; it burns the switch contacts.
Do not replace the fuse with an incompatible rating; overcurrent quickly ends the life of the switch.

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Frequently Asked Questions (FAQ)

Q1: The refrigerator light stays on all the time, is the switch the cause?
\\ Most likely yes. First close the door and press the switch by hand; if the light does not go out, the switch is faulty. If it goes out, there is a door gasket or alignment fault.

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Q2: Can I replace a 3-socket switch with a 4-socket one?
\\ No. The pin count corresponds to the lamp/fan/signal lines. The wrong pin count results in a short circuit or the switch not working. Always choose the same socket count.

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Q3: Can the Samsung DA34-10108K and LG 6600JB1010A be used interchangeably?
\\ Although they look mechanically similar, their pin order and body dimensions may differ. For an exact fit, choose the OEM code of your own model.

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Q4: Why do switch prices differ (1 USD - 3 USD)?
\\ Pin count, the OEM/generic difference, the brand (Samsung, LG, AN-EL) and special applications (chest freezer, commercial type) determine the price. The Uğur chest freezer switch, for example, is more expensive because it is industrial grade.

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Q5: Can a switch fault damage the refrigerator?
\\ Not directly, but a constantly lit lamp raises the internal temperature; this makes the compressor run more and, in the long run, wears it out. Early intervention is important.

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Q6: Is there a warranty on switches at Yedepa.com?
\\ Yes, all spare parts in our catalog are covered by the manufacturer's warranty. You can review the details on the product page.

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Q7: Is the AN-EL brand original?
\\ AN-EL is a well-established Turkish household appliance spare parts manufacturer and produces OEM-compatible parts for brands such as Bosch, Siemens and Arçelik. It is chosen with confidence by professional technicians.

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Conclusion and Yedepa.com Advantages

Despite looking small, door switches are critical parts that directly affect your refrigerator's energy efficiency, cooling performance and ease of use. When you choose the right pin count, the right number of press stages and the right OEM code, you both extend the life of your appliance and save on service costs.

As Yedepa.com, with our wide range of OEM, Samsung, LG and AN-EL brand door switches, we serve everyone from technicians to end users. The advantages of our site:

Wide stock: All 2-3-4-5 socket versions under one roof.
Brand variety: Arçelik, Beko, Vestel, Bosch, Samsung, LG, AEG, Uğur, Regal, Seg and more.
Technician-friendly descriptions: The OEM code, pin count and compatible models are listed on every product page.
Technical support: If you are not sure about your refrigerator model, you can talk to our technicians via our WhatsApp line.
Fast shipping: Dispatch throughout Turkey with safe packaging.

To choose the right switch for your next repair, visit the Yedepa.com Door Switch Types category and source field-proven products at competitive prices.