
Product Overview
The Siemens 6EP1334-1SL12, a core member of the SITOP POWER 10 series, is a high-performance, regulated single-phase power supply designed to deliver stable and reliable DC power for demanding industrial automation environments. This power supply module converts AC mains voltage into a regulated 24 V DC output with a robust 10 A current capacity, making it the ideal power source for a wide array of automation components such as SIMATIC S7-300/400 PLCs, distributed I/O systems, sensors, actuators, and other 24 V DC loads. The Siemens 6EP1334-1SL12 is engineered to meet the rigorous demands of industrial control cabinets, offering a compact S7-300 design that enables efficient use of space and straightforward snap-on mounting to standard 35 mm DIN rails (EN 50022).
The versatility and reliability of the Siemens 6EP1334-1SL12 are evident in its universal input design. It features a wide-range input that automatically adapts to AC voltages from 85 V to 264 V and DC voltages from 110 V to 300 V, allowing for seamless integration into power grids worldwide without the need for manual voltage selection. This power supply is built with robust protection mechanisms, including short-circuit and overload protection with a constant current characteristic, ensuring that both the power supply and connected loads are safeguarded from electrical faults. The Siemens 6EP1334-1SL12 provides a green LED indicator for “24 V OK” status, offering immediate visual confirmation of normal operation. With a high efficiency rating of approximately 90%, this module minimizes power loss and heat generation, contributing to the long-term reliability and energy efficiency of the overall automation system.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6EP1334-1SL12 |
| Manufacturer | Siemens AG |
| Product Type | Regulated Single-Phase Power Supply Module |
| Series | SITOP POWER 10 / SITOP classic |
| Input Voltage (AC) | 85 … 264 V AC (automatic range selection) |
| Input Voltage (DC) | 110 … 350 V DC |
| Mains Frequency | 47 … 63 Hz |
| Output Voltage | 24 V DC (adjustable via potentiometer: 22.8 … 28 V) |
| Output Current | 10 A rated (0 … 12 A up to +45°C; derating above +60°C) |
| Output Power | 240 W (typical supplied active power: 288 W) |
| Efficiency | Approx. 90% (typ.) |
| Power Loss | Approx. 25 W (typ. at rated output) |
| Output Ripple | < 150 mVpp (max.) |
| Line Regulation (DC) | 0.1 % |
| Load Regulation (DC) | 0.5 % |
| Overload Capability | 150% Iout rated up to 5 s/min; Constant current characteristic for short-circuit protection |
| Protection | Short-circuit proof, no-load proof, overvoltage protection (Vout < 33 V) |
| Operating Temperature | 0°C to +60°C (with derating from +60°C to +70°C at 3%/K) |
| Storage Temperature | -40°C to +85°C |
| Mounting | 35 mm DIN rail (EN 50022) or S7-300 busbar adapter |
| Protection Class | IP20 |
| Certifications | CE, UL/cULus, CSA, EAC, CB, BIS, GL (shipbuilding approval) |
| Dimensions (W x H x D) | Approx. 80 mm x 125 mm x 127 mm (S7-300 design) |
| Weight | Approx. 1.1 kg |
