Siemens 6EP3337-8SC00-0AY0 Power Supplies
The Siemens 6EP3337-8SC00-0AY0 Power Supplies delivers 40 A output, 960 W power, and IP20 protection for stable 24 V supply. It supports 1-phase and 2-phase AC networks with automatic DC selection, relay signaling for “24 V OK,” and screw-terminal connections inside a 145 × 145 × 150 mm enclosure. Designed for −40 to +85 °C transport and storage, it snaps onto DIN rail EN 60715 for panel integration. This unit belongs to the Siemens brand, the Siemens Power Supplies category, and the SITOP Series.

| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3337-8SC00-0AY0 |
Siemens 6EP3337-8SC00-0AY0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 1-phase and 2-phase AC |
| supply voltage at DC | Automatic selection; startup starting from Ue ≥ 90/180 V |
| 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 "24 V OK" |
| rated value | 40 A |
| rated range | 0 ... 40 A; +60 ... +70 °C: Derating 3%/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 | 145 × 145 × 150 mm |
| installation width × mounting height | 150 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 | 3.1 kg |
The Siemens 6EP3337-8SC00-0AY0 Power Supplies belongs to the SITOP Series and supports industrial 24 V systems requiring stable electrical output. It provides 40 A capacity, 960 W active power, IP20 protection, and relay-based status signaling for operational monitoring. With screw-terminal wiring and AC/DC compatibility, the model is structured for dependable functionality in panel-mounted automation assemblies.
The Siemens 6EP3337-8SC00-0AY0 Power Supplies is suitable for conveyors, packaging lines, assembly machinery, and general factory automation. Its DIN-rail mounting, automatic DC range selection, and thermal-derated current capability help maintain stable voltage output under varying ambient conditions. These attributes ensure consistent power delivery, reliable system behavior, and straightforward integration for industrial control applications.
The Siemens 6EP3337-8SC00-0AY0 Power Supplies combines 40 A output, relay signaling, and DIN-rail installation for durable 24 V distribution in electrical panels. Its enclosure dimensions, AC/DC flexibility, and extended storage and transport limits reinforce suitability for demanding industrial environments. These factors strengthen trust in the SITOP Series and support long-term operational reliability in automation systems.


