Siemens 6EP3437-8SB00-0AY0 Power Supplies
The Siemens 6EP3437-8SB00-0AY0 Power Supplies delivers 40 A rated output and 960 W active power for three-phase industrial applications. It supports 50/60 Hz operation with relay-based “24 V OK” signaling, IP20 protection, and screw-terminal connections, including derating above 60 °C. The 135 × 145 × 150 mm enclosure enables DIN-rail installation, with transport and storage limits from −40 to +85 °C. This model is part of the Siemens lineup within the Siemens Power Supplies family and the SITOP Series.
| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3437-8SB00-0AY0 |
Siemens 6EP3437-8SB00-0AY0 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 "24 V OK" |
| rated value | 40 A |
| rated range | 0 ... 40 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 6EP3437-8SB00-0AY0 Power Supplies provides 40 A output, 960 W power, relay NO monitoring, and IP20 protection for stable 24 V DC distribution. As part of the SITOP Series, it operates from 3-phase AC across 45–65 Hz and integrates screw-terminal wiring with a 135 × 145 × 150 mm enclosure. These characteristics support reliable installation within industrial automation cabinets and engineered control panels.
The Siemens 6EP3437-8SB00-0AY0 Power Supplies is well suited for conveyors, packaging lines, assembly machinery, and automated process equipment. Its defined derating curve ensures predictable performance under elevated temperatures, while relay-based “24 V OK” feedback provides essential status signaling to PLCs and monitoring systems. The mechanical layout and three-phase input capability ensure dependable supply stability in demanding operational environments.
The Siemens 6EP3437-8SB00-0AY0 Power Supplies combines 40 A output, 960 W power handling, and three-phase AC input to maintain reliable 24 V DC availability across automation systems. With screw-terminals, IP20 protection, and SITOP Series design standards, it supports long-term operational consistency in industrial plants. These attributes reinforce Siemens’ reliability and make this model suitable for continuous-duty power distribution requirements.
