Siemens 6EP3437-8MB00-2CY0 Power Supplies
The Siemens 6EP3437-8MB00-2CY0 Power Supplies operates with 400–500 V 3-phase input, 40 A rated output, and 960 W power for industrial use. It supports 320–575 V tolerances, provides 4 outputs with relay status signaling, and integrates a PROFINET interface for monitoring. The device 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 capability from −40 to +85 °C.
| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3437-8MB00-2CY0 |
Siemens 6EP3437-8MB00-2CY0 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 | 4 |
| 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 6EP3437-8MB00-2CY0 Power Supplies delivers stable operation with a 400–500 V 3-phase input, 40 A output range, 960 W active power, and PROFINET connectivity. This Siemens model belongs to the SITOP Series and supports industrial automation systems requiring dependable regulated power. Its IP20 protection, plug-in terminals, and tolerance from 320–575 V ensure reliable functioning within machine panels and multi-load environments that demand continuous DC supply.
In practical use, the Siemens 6EP3437-8MB00-2CY0 Power Supplies supports conveyors, packaging lines, assembly equipment, and automated manufacturing systems that rely on consistent DC power. The device maintains stable operation during input fluctuations, and the relay-backed “device OK” output helps operators integrate system health monitoring into plant diagnostics. Its 3-phase compatibility ensures improved load balancing and dependable performance in high-demand automation applications.
The Siemens 6EP3437-8MB00-2CY0 Power Supplies combines 40 A rated output, 960 W supplied power, and wide 3-phase voltage capability to support industrial environments that require reliable DC distribution. As part of the SITOP Series from Siemens, it maintains predictable electrical behavior, mechanical durability, and steady operation under varying temperatures and loads. These characteristics reinforce its suitability for long-term use in industrial automation, ensuring stable and consistent power delivery for critical production processes.
