Yeelight · YP-0251

Yeelight Pro P20 YP-0251 magnetic track driver 120W, GaN, black

Name: Yeelight Pro P20 YP-0251 magnetic track driver 120W, GaN, black
Brand: Yeelight
SKU: 1-000004484

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Track system: Yeelight Pro P20 — surface track
Role in the system: Driver / power supply

120W driver for the Yeelight Pro P20 surface magnetic system: runs on 220–240V mains, plugs directly into the track and feeds P20 fixtures with DC power.

16 specifications from manufacturer documents

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Device passport

Document model: YP-0251

Specifications checked against the linked manufacturer documents.Checked 18 October 2026

Model and version2

Track system — what it means Which magnetic system the item belongs to. Tracks, lights, connectors and power supplies of different systems do not fit each other: the track profile and supply voltage differ, so every part of one run must come from the same system.	Yeelight Pro P20 — surface trackPer the manual, the driver belongs to the Yeelight Pro P20 magnetic light series and powers the P20 track and the lights on it [1]
Colour — what it means The housing colour of this model. Other colours in the same series are separate products.	BlackThe cn.yeelight.com catalogue lists this driver in white and black [2]

Control and features1

Role in the system — what it means What the part does in the run. The track carries the lights and conducts power, connectors continue or branch the run, and the driver (power supply) converts 230 V mains into low voltage for the track.	Driver / power supply [1]

Housing and installation5

Installation method — what it means A surface track is screwed directly onto a finished ceiling or wall. A recessed track is set into a groove in plasterboard and ends up flush with the ceiling — it is planned before renovation. A suspended track hangs on cables below the ceiling.	Surface-mountedPer the manual, the driver is fixed with self-tapping screws through its mounting holes (the manual says to the wall), the 220 V supply is connected in the terminal box on top of the housing, and the driver is plugged into the track [1]
Neutral wire (N) — what it means Whether the wall box needs a neutral wire. Older wiring often brings only the live wire to the switch; then pick a model that works without N.	Not stated by the manufacturer
Dimensions — what it means The device’s size in millimetres as the maker states it. Check that it fits the wall box, niche or shelf.	215.8 × 31.4 × 53 mmFrom the Yeelight Pro brochure (2023) for the 120 W P20 driver with a DC 45 V output; the brochure does not name the model or the GaN version. The manual gives no dimensions [3]
Weight — what it means The device’s weight without packaging, per the maker.	Not stated by the manufacturer
Closed track loop allowed	NoThe track must not be joined into a closed loop: the circuit must stay open at one point, otherwise a short circuit can occur [1]

Power8

Maximum lighting load — what it means How many watts of lights one driver can feed. Add up the power of all lights on the run: the total must not exceed this value, otherwise the run is split into sections with separate drivers. If the maker gives only the driver's nominal power, a note says so.	120 W [1]
Output voltage — what it means The DC voltage the driver feeds into the track. It must match the voltage of the system's lights; the track and lights must never be connected to 230 V mains directly.	Not stated by the manufacturer
Supply voltage — what it means The supply voltage (and current, if stated) as the maker gives it. It must match your mains or adapter.	220–240 V AC, 50/60 HzThe cn.yeelight.com catalogue for version YP-0307 also gives a rated input current of 0.56 A [1]
Driver protections — what it means Which fault conditions the driver protects itself and the lights against, according to the maker's documents: short circuit, overload, overvoltage, overheating.	Not stated by the manufacturer
Rated power — what it means The rated or maximum power draw from the spec sheet. It sets the load on the socket and the energy use.	120 WPermitted lighting load: 110 W (cn.yeelight.com catalogue) [1]
Power factor	0.9 [1]
Power source — what it means Where the device gets its power: 230 V mains, an adapter, USB, batteries or a built-in battery.	230 V mains [1]
Drivers per connected run	1Several drivers must not be installed on track sections connected together. For a load above one driver's rating, use several drivers, each powered separately and on its own run [1]

Operating conditions3

Operating temperature — what it means The air temperature range the device is rated for. The lower limit matters outdoors, on balconies and in unheated rooms.	−10…40 °C [1]
Operating humidity — what it means The rated relative humidity range, non-condensing.	0–85%Relative humidity [1]
Indoor use only	YesDo not install near heat sources (air-conditioning and heating outlets), where humidity changes sharply (near humidifiers) or in strong sunlight [1]

Connectivity and compatibility1

Compatibility	Yeelight Pro P20 system only: P20 track, P20 connectors (I, L, T, X, vertical) and P20 lights [1]

Intended only for the Yeelight Pro P20 system: it powers the P20 track and fixtures. The recessed E-series/Z1 system needs its own 48V power supply.

Manufacturer documents

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Warranty and documents

The warranty is at least 12 months. The exact period and conditions for equipment and installation work are stated in the sales documents and the accepted proposal. Further support is agreed for each project.

Can I return the product?

Current conditions are published on the Return policy page. Email office@casasmart.md with your order number for the steps relevant to your situation. Statutory consumer rights continue to apply.

Delivery, payment and returns