Siemens 6EP3447-8SB00-0AY0 Power Supplies
The Siemens 6EP3447-8SB00-0AY0 Power Supplies delivers 20 A output and 960 W active power for three-phase industrial applications. It supports 45–65 Hz line frequency, provides relay signaling for “48 V OK,” and operates within an IP20 enclosure using screw-terminal connections. The unit includes a defined derating profile above 60 °C and a 135 × 145 × 150 mm housing suitable for DIN-rail mounting. This model integrates into the Siemens lineup, the Siemens Power Supplies category, and the SITOP Series.
| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3447-8SB00-0AY0 |
Siemens 6EP3447-8SB00-0AY0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 3-phase AC |
| line frequency | 50/60 Hz |
| line frequency (2) | 45 ... 65 Hz |
| type of signal at output | Relay contact (NO contact, rating 60 V DC/ 0.3 A) for 48 V OK |
| rated value | 20 A |
| rated range | 0 ... 20 A; +60 ... +70 °C: Derating 4%/K |
| supplied active power typical | 960 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 | 135 × 145 × 150 mm |
| installation width × mounting height | 135 mm × 225 mm |
| Top | 40 mm |
| Bottom | 40 mm |
| Left | 0 mm |
| Right | 0 mm |
| fastening method | Snaps onto DIN rail EN 60715 35x15 |
| net weight | 3.3 kg |
The Siemens 6EP3447-8SB00-0AY0 Power Supplies provides 20 A capacity, 960 W output, relay-based status monitoring, and IP20 protection for industrial 48 V DC systems. As a SITOP Series device, it supports 3-phase AC input across 45–65 Hz and features screw-terminal wiring with a 135 × 145 × 150 mm enclosure. These specifications enable stable, controlled power delivery within automated electrical architectures.
The Siemens 6EP3447-8SB00-0AY0 Power Supplies is suited for conveyors, packaging systems, panel assemblies, and continuous automation setups requiring consistent 48 V DC output. The unit’s thermal derating profile ensures predictable operation in elevated temperatures, while its relay contact provides diagnostic integration for PLC-controlled environments. Its mechanical footprint supports straightforward installation in standard industrial control cabinets.
The Siemens 6EP3447-8SB00-0AY0 Power Supplies combines 20 A output, 960 W performance, and 3-phase AC input to meet demanding industrial power requirements. With SITOP Series build principles and IP20 protection, it ensures reliable long-term operation in automation and electrical control systems. These characteristics reinforce Siemens as a dependable choice for continuous and stable industrial power delivery.
