Siemens 6EP3437-8SB00-2AY0 Power Supplies
The Siemens 6EP3437-8SB00-2AY0 Power Supplies operates with 400–500 V 3-phase input, 40 A rated output, and 960 W power for industrial systems. It supports 320–575 V tolerances, provides a relay-backed “device OK” signal, and integrates PROFINET for diagnostics. The unit includes IP20 protection, plug-in screw terminals, and a 125 × 125 × 150 mm enclosure, aligning with the Siemens brand and the Siemens Power Supplies category within the SITOP Series, with operating frequency from 47–63 Hz and storage range from −40 to +85 °C.
| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3437-8SB00-2AY0 |
Siemens 6EP3437-8SB00-2AY0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 3-phase AC |
| minimum rated value | 400 V |
| maximum rated value | 500 V |
| initial value | 320 V |
| full-scale value | 575 V |
| line frequency | 50/60 Hz |
| line frequency (2) | 47 ... 63 Hz |
| number of outputs | 1 |
| type of signal at output | Relay contact (changeover contact, contact current capacity DC 60 V/0.3 A) for "Operating state OK" |
| rated value | 40 A |
| rated range | 0 ... 40 A; +50 ... +60 °C: Derating 2.5%/K; no derating in connection with expansion module CNX8600 and total load of the outputs at the basic device max. 480 W |
| supplied active power typical | 960 W |
| design of the interface | Ethernet/PROFINET |
| protection class IP | IP20 |
| during transport | 40 ... +85 °C |
| during storage | 40 ... +85 °C |
| type of electrical connection | Plug-in terminals with screwed connection |
| width × height × depth of the enclosure | 125 × 125 × 150 mm |
| installation width × mounting height | 125 mm × 225 mm |
| Top | 50 mm |
| Bottom | 50 mm |
| Left | 0 mm |
| Right | 0 mm |
| net weight | 2.6 kg |
The Siemens 6EP3437-8SB00-2AY0 Power Supplies delivers dependable operation with a 400–500 V 3-phase input, 40 A rated output, 960 W active power, and PROFINET interface. This Siemens model, part of the SITOP Series, supports industrial automation systems requiring stable regulated DC power. Its IP20 protection, plug-in screw terminals, and voltage tolerance from 320–575 V ensure consistent performance in machine panels, control cabinets, and multi-load environments.
In industrial applications, the Siemens 6EP3437-8SB00-2AY0 Power Supplies is used across conveyors, packaging equipment, automated assembly systems, and production machinery requiring stable 24 V DC distribution. Its 3-phase compatibility reduces load imbalance, while the relay status contact assists with monitoring system availability. These characteristics help maintain uptime in demanding automation environments where consistent voltage supply is essential for equipment reliability.
The Siemens 6EP3437-8SB00-2AY0 Power Supplies combines 40 A output, 960 W supplied power, and wide 3-phase voltage capability to support long-term industrial automation needs. As a SITOP Series device from Siemens, it maintains predictable electrical performance, mechanical durability, and stable operation under varying temperature and load conditions. These attributes reinforce its suitability for continuous-duty industrial use where dependable, consistent, and safe power delivery is critical.
