Siemens 6EP3446-8SB00-0AY0 Power Supplies
The Siemens 6EP3446-8SB00-0AY0 Power Supplies provides 10 A rated output and 480 W active power for three-phase AC applications. It supports 50/60 Hz line frequency, relay signaling for “48 V OK,” IP20 protection, screw-terminal wiring, and a defined derating profile above 60 °C. The 70 × 125 × 125 mm enclosure allows DIN-rail installation with −40 to +85 °C transport and storage capability. This model is part of the Siemens lineup within the Siemens Power Supplies category and the SITOP Series.
| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3446-8SB00-0AY0 |
Siemens 6EP3446-8SB00-0AY0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 3-phase AC |
| line frequency | 50/60 Hz |
| line frequency (2) | 47 ... 63 Hz |
| type of signal at output | Relay contact (NO contact, rating 60 V DC/ 0.3 A) for 48 V OK |
| rated value | 10:00 AM |
| rated range | 0 ... 10 A; +60 ... +70 °C: Derating 2%/K |
| supplied active power typical | 480 W |
| protection class IP | IP20 |
| during transport | 40 ... +85 °C |
| during storage | 40 ... +85 °C |
| type of electrical connection | screw terminal |
| width × height × depth of the enclosure | 70 × 125 × 125 mm |
| installation width × mounting height | 70 mm × 225 mm |
| Top | 50 mm |
| Bottom | 50 mm |
| Left | 0 mm |
| Right | 0 mm |
| fastening method | Snaps onto DIN rail EN 60715 35x7.5/15 |
| net weight | 1.2 kg |
The Siemens 6EP3446-8SB00-0AY0 Power Supplies delivers 10 A output, 480 W power, relay monitoring, and IP20 protection for industrial 48 V DC systems. As part of the SITOP Series, it accepts three-phase AC at 47–63 Hz and uses screw-terminal connections within a 70 × 125 × 125 mm enclosure. These qualities position the model for stable and consistent power distribution in automation environments.
The Siemens 6EP3446-8SB00-0AY0 Power Supplies is commonly applied in conveyors, packaging systems, assembly lines, and coordinated automation panels. Its defined thermal derating supports stable operation at elevated temperatures, while the relay contact enables PLC-based system diagnostics. The unit’s mechanical footprint and wiring configuration ensure compatibility with standard industrial control cabinets.
The Siemens 6EP3446-8SB00-0AY0 Power Supplies combines 10 A capacity, 480 W performance, and three-phase AC input to deliver dependable 48 V DC power in industrial settings. Supported by SITOP Series design standards and IP20 enclosure protection, it provides reliable performance for long-term electrical supply needs. These characteristics reinforce Siemens as a trusted choice for continuous industrial power applications.
