Siemens 6EP3331-7SB00-0AX0 Power Supplies
The Siemens 6EP3331-7SB00-0AX0 Power Supplies delivers 1.3 A output and 31.2 W power for compact industrial 24 V DC loads. It supports 120–240 V AC/DC input within an 85–264 V usable range and operates across 47–63 Hz for stable performance. Featuring push-in terminals, IP20 protection, and a 25 × 100 × 88 mm enclosure, it suits space-limited control panels and DIN-rail systems. This model aligns with the Siemens brand, the Siemens Power Supplies category, and the SITOP Series.

| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3331-7SB00-0AX0 |
Siemens 6EP3331-7SB00-0AX0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 1-phase AC or DC |
| minimum rated value | 120 V |
| maximum rated value | 240 V |
| initial value | 85 V |
| full-scale value | 264 V |
| supply voltage at DC | 120 ... 240 V |
| input voltage at DC | 110 ... 275 V |
| line frequency | 50/60 Hz |
| line frequency (2) | 47 ... 63 Hz |
| number of outputs | 1 |
| rated value | 1.3 A |
| rated range | 0 ... 1.3 A; +60 ... +70 °C: Derating 2.5%/K |
| supplied active power typical | 31.2 W |
| protection class IP | IP20 |
| during transport | 40 ... +85 °C |
| during storage | 40 ... +85 °C |
| type of electrical connection | push-in terminals |
| width × height × depth of the enclosure | 25 × 100 × 88 mm |
| installation width × mounting height | 25 mm × 200 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 | 0.2 kg |
The Siemens 6EP3331-7SB00-0AX0 Power Supplies provides 1.3 A rated output, 31.2 W active power, 120–240 V input support, and IP20 protection for dependable 24 V DC distribution. As part of the SITOP Series, it maintains reliable operation across 47–63 Hz and handles derating from +60 to +70 °C. Its compact enclosure and push-in terminals enable efficient installation in small control cabinets used throughout industrial environments.
The Siemens 6EP3331-7SB00-0AX0 Power Supplies is suitable for conveyors, packaging machines, automation panels, assembly lines, and PLC-based systems requiring stable low-voltage power. Its wide input tolerance ensures dependable operation in fluctuating supply conditions, while the electronic DC O.K. signaling supports system monitoring and early fault detection. These characteristics make it well-suited for continuous industrial processes.
The Siemens 6EP3331-7SB00-0AX0 Power Supplies combines 1.3 A capability, 31.2 W performance, and DIN-rail compatibility to meet everyday automation power requirements. With SITOP Series engineering and Siemens build quality, it ensures consistent operation in demanding control systems and machine environments. Its compact size, protective features, and diagnostic signaling reinforce its suitability for long-term industrial use.


