Product overviewThe EK-PSUD12 is a DIN-rail switching power supply with wide-range AC/DC input. Supplied in a UL94V-0 flame-retardant plastic housing occupying 2 modular units (1 UM = 18 mm), it is designed for installation on 35 mm profile rails (EN 60715). The unit integrates thermal, overload and short-circuit protection. Output voltage is adjustable via a trimmer in the range 23.3 to 28 Vdc.
Connections- Screw terminals for mains input
- Screw terminals for load outputs
- Screw terminals for output voltage adjustment (trimmer access)
Technical Data- Input voltage: 100 to 240 Vac (50–60 Hz) or 110 to 350 Vdc
- Input current rating: 0.20 A @115 Vac / 0.22 A @230 Vac
- Input protection: fuse
- Output voltage: adjustable 23.3 to 28 Vdc (adjustment by trimmer)
- Output current @115 Vac: 0.5 A
- Hold-up time: 15 ms @230 Vac, 7 ms @115 Vac
- Ripple: < 50 mV rms
- Electronic protections: thermal, overload, short-circuit
- Power dissipation: 4 W @230 Vac
- Operating temperature: -10 to +60 °C
- Relative humidity (non-condensing): 0 to 95%
- Number of modular units: 2 (1 UM = 18 mm)
- Housing: flame-retardant plastic UL94V-0
- Terminal connections: screw terminal block, max. cable 2.5 mm²
- Protection class: IP20
- Dimensions (WxHxD): 35.5 x 90 x 60 mm
- Weight: 110 g
- Standards: CEI EN 64-8 PELV/SELV, CEI EN 60950-1, CEI EN 61000-6-1, CEI EN 61000-6-3, CEI EN 55011, CEI EN 55014
- Suitable for installation on 35 mm profile rails (EN 60715)
Functions / Features- Output voltage adjustable from 23.3 to 28 Vdc via a trimmer (adjustable with a star-shaped screwdriver)
- Particularly suitable for powering ekinex Delgo EK-DEL-... modules for supervision and control of KNX standard home automation systems
Configuration and commissioning- No configuration required — device is ready for installation and connection
Technical specifications- Product title on page: "Switching power supply 230Vac 12Vdc 2A"
- Model code: EK-PSUD12
- Input: 100–240 Vac (50–60 Hz) or 110–350 Vdc
- Input current: 0.20 A @115 Vac / 0.22 A @230 Vac
- Input protection: fuse
- Output: adjustable 23.3–28 Vdc (trimmer)
- Output current @115 Vac: 0.5 A
- Hold-up time: 15 ms (@230 Vac) / 7 ms (@115 Vac)
- Ripple < 50 mV rms
- Protections: thermal, overload, short-circuit
- Power dissipation: 4 W @230 Vac
- Operating temperature: -10 to +60 °C
- Relative humidity: 0–95% non-condensing
- Number of modular units: 2 (1 UM = 18 mm)
- Housing: UL94V-0 flame-retardant plastic
- Terminal block: screw terminals, max cable 2.5 mm²
- Protection class: IP20
- Dimensions: 35.5 x 90 x 60 mm
- Weight: 110 g
- Standards: CEI EN 64-8 PELV/SELV, CEI EN 60950-1, CEI EN 61000-6-1, CEI EN 61000-6-3, CEI EN 55011, CEI EN 55014
- Mounting: suitable for 35 mm profile rails (EN 60715)