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6EP1437-3BA00 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Technical Specifications
| Specification | Value |
|---|---|
| Input voltage (nominal) | 400 … 500 V AC (3‑phase) |
| Input voltage range | 320 … 550 V (starts from Vin > 340 V) |
| Wide‑range input | Yes |
| Overvoltage overload capability | 2.3 × Vin rated, 1.3 ms |
| Buffering time at mains failure | ≥ 6 ms (at Vin = 400 V) |
| Line frequency | 50/60 Hz (47 … 63 Hz) |
| Input current (at 400 V) | 2.2 A |
| Inrush current (max) | 70 A |
| I²t (max) | 2.8 A²·s |
| Fuse protection (input) | None; requires external 3‑pole breaker 10–16 A C‑characteristic or specified Siemens breakers |
| Output voltage (nominal) | 24 V DC |
| Output voltage adjustable | 24 … 28.8 V (max 960 W) |
| Voltage tolerance | ± 3 % |
| Voltage control precision (slow input fluctuation) | ± 0.1 % |
| Output current (rated) | 40 A |
| Rated output power | 960 W |
| Efficiency (typical) | ≈ 90 % |
| Power loss (typical) | 106 W (at rated Vout and Iout) |
| Short‑circuit current (typical) | 120 A (for ~25 ms) |
| Constant overload current (startup) | 46 A |
| Parallel operation | Yes; up to 2 units |
| Output indicators | Green LED for 24 V OK; yellow LED for overload; red LED for latching shutdown |
| Response delay (max) | 2.5 s |
| Output voltage rise time (max) | 500 ms |
| Overvoltage protection | < 35 V |
| Short‑circuit protection | Yes; constant current ~46 A or latching shutdown |
| Galvanic isolation (input/output) | Yes |
| Leakage current (max) | 3.5 mA |
| Protection class | IP20 |
| Certifications | CE, UL‑Listed (UL 508), CSA, UKCA, EAC, RCM |
| Dimensions (HxWxD) | 240 × 125 × 125 mm |
| Weight | ≈ 3.2 kg |
The Siemens 6EP1437‑3BA00 is a robust three‑phase SITOP Modular 40 A stabilized power supply designed for industrial automation systems. It accepts a wide input range from 400 to 500 V AC (320–550 V) and delivers a reliable 24 V DC output up to 40 A (960 W), with adjustable output voltage and high efficiency (≈ 90 %). Widely used in machinery control, PLC systems, and distributed automation, the part features overload and short‑circuit protection, built‑in buffering, and compatibility for parallel operation. Whether powering sensor networks or control cabinets, the 6EP1437‑3BA00 ensures stable and safe 24 V DC power in demanding environments.
