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LED power supply | Tridonic LC 25W 350-600mA 42V o4a T EXC3 black
Tridonic LC 25W 350-600mA 42V o4a T EXC3 is a professional in-track LED power supply for three-phase DALI tracks. It offers adjustable output current 350–600 mA, smooth 1–100% dimming and compatibility with GLOBAL Trac PULSE and OneTrack systems.
1-3 dni (PL), 3-10 dni (non-PL)
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Tridonic LC 25W 350-600mA 42V o4a T EXC3 – technical data
| Output power | 25 W |
| Output current range | 350–600 mA, adjustable in 1 mA steps |
| Output voltage | 14–42 V DC (max. 60 V U-OUT) |
| Rated supply voltage | 220–240 V AC |
| AC voltage range | 198–264 V AC |
| Mains frequency | 50 / 60 Hz |
| Max. input power | 29.7 W |
| Typical efficiency | up to 83% |
| Power factor | 0.95 at full load |
| Stand-by power | < 0.5 W |
| Dimming range | 1–100% (min. 3.5 mA) |
| Control interfaces | one4all (DALI-2, switchDIM, corridorFUNCTION) |
| Mounting type | in-track, three-phase with DALI |
| Housing colour | black (RAL 9005) |
| Housing material | polycarbonate |
| Protection class | Class II |
| Degree of protection | IP20 |
| Ambient temperature ta | -20…+35°C |
| Storage temperature | -40…+80°C |
| Max. tc temperature | 70°C |
| Rated lifetime | up to 100,000 h |
| Manufacturer warranty | 5 years |
| Dimensions | 260 × 32 × 42.4 mm |
| Weight | 0.165 kg |
| Overvoltage protection | 1 kV (L to N) |
| Standards | EN 55015, EN 61347-1, EN 61347-2-13, EN 61547, EN 62384, EN 61000-3-2, EN 61000-3-3 |
| Protections | overtemperature, overload, short-circuit, no-load |
| Compatible tracks | GLOBAL Trac PULSE, OneTrack, Powergear, Unipro (3P + DALI) |
| Product website | http://www.tridonic.com/87500908 |
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LED power supply | Tridonic LC 25W – features and use
Tridonic LC 25W 350-600mA 42V o4a T EXC3 is an in-track LED power supply for modern spotlight and downlight systems. It installs directly into three-phase DALI tracks and feeds LED modules with constant current from 350 to 600 mA. The product is ideal for retail, hospitality and office lighting where flexible track layouts are required.
The LED power supply supports the one4all interface with DALI-2, switchDIM and corridorFUNCTION. This allows smooth 1–100% dimming and integration with building control systems or simple wall switches. Amplitude dimming keeps the light stable and comfortable without visible flicker in normal conditions.
LED power supply – safety, reliability and long lifetime
The robust polycarbonate housing in black finish offers impact resistance and low weight. Protection class II and IP20 rating make it suitable for dry indoor environments such as shops, galleries or office areas. Built in protection features cover overtemperature, overload, short-circuit and no-load operation.
The LED power supply also integrates surge protection up to 1 kV between phase and neutral. Rated lifetime up to 100,000 hours at specified tc ensures long term reliability in professional projects. Tridonic backs the product with a 5 year manufacturer warranty under defined conditions.
LED power supply – flexible configuration and track integration
Output current can be configured in 1 mA steps within the 350–600 mA range. Configuration is possible via the DALI-2 interface using Tridonic companionSUITE or by I-SELECT 2 plugs. This makes it easy to match different LED modules and target lumen levels in one track system.
The power supply is compatible with major three-phase DALI tracks, including GLOBAL Trac PULSE from Nordic Aluminium and OneTrack from Stucchi. Additional compatibility is specified for Powergear and Unipro track systems. The integrated adapter allows phase selection which helps to balance loads across three phases in larger installations.
With its compact design, high efficiency and advanced control options, the Tridonic LC 25W 350-600mA 42V o4a T EXC3 LED power supply is a strong choice for professional spotlight lines. It combines reliable power conversion with smart dimming functions and full in-track integration for modern lighting projects.