Key Features and Technical Specifications
The 6EP1334-2BA20 offers a robust set of features designed for industrial environments. Its wide input voltage range and high efficiency make it a versatile choice.
- Input Voltage: 85...132V AC or 170...264V AC (automatic range selection).
- Output Voltage: 24V DC, adjustable from 22.8 to 28V via potentiometer.
- Output Current: Rated 10A, with a range of 0...12A up to +45°C; derating 3%/K from +60°C to +70°C.
- Efficiency: 90% at rated output.
- Buffering Time: Minimum 20 ms at rated output current during power failure.
- Short-Circuit Protection: Constant current characteristic, response limit 12...14.6A.
- Galvanic Isolation: Yes, safety extra-low voltage per EN 60950-1 and EN 50178.
- Protection Class: IP20, Class I.
- Certifications: CE, UL, CSA, UKCA, EAC, BIS, CB.
One distinctive feature is the overload capability: it can handle 150% of rated current for up to 5 seconds per minute, providing extra headroom during motor starts or inrush loads. Additionally, the green LED for “24V OK” and a relay contact (NO contact, 60V DC/0.3A) offer clear status indication.
Real-World Applications
This power supply suits a wide range of industrial applications. In manufacturing lines, it powers PLCs and HMI panels reliably. For process automation, it supplies field instruments and actuators. Its wide input voltage range makes it suitable for regions with unstable mains, and the buffering time helps ride through brief dips. The compact size allows dense cabinet layouts, while the screw terminals simplify wiring for 0.5...2.5 mm² conductors.

Installation and Setup
Mounting the 6EP1334-2BA20 is straightforward. It snaps onto a DIN rail EN 60715 (35x7.5/15). Ensure proper spacing: 50 mm top and bottom, 0 mm left and right. Connect the input to L, N, PE terminals (each accepts 0.5...2.5 mm²). For the output, use the + and – terminals (two each). The alarm relay contacts are available on separate screw terminals. Always use a miniature circuit breaker from 10A characteristic C as recommended in the datasheet.
Maintenance and Reliability
With an MTBF of 1,614,510 hours at 40°C, the 6EP1334-2BA20 is built for long service life. Its efficiency of 90% reduces heat generation, extending component life. Periodic inspection of terminal tightness and ambient temperature is recommended. The unit operates from -25°C to +70°C with natural convection, so ensure adequate airflow. No special maintenance is required beyond routine checks.

Compatibility and Integration
This power supply can be paralleled with up to two units to increase power output. It is compatible with Siemens SITOP buffer modules for bridging longer power outages. The relay output can be integrated into control systems for remote monitoring. With approvals including CE, UL, and CSA, it meets global standards for industrial equipment.
Troubleshooting Common Issues
If the output voltage is absent, check the input fuse (T 6.3A/250V, not accessible) and the upstream circuit breaker. If the green LED is off, verify input voltage and load conditions. For overcurrent, the unit enters constant current mode; reduce the load or check for short circuits. The relay contact can be used to signal faults to a PLC. For persistent issues, consult the Siemens manual or contact AutoDCSTech.
Product Support and Availability
The 6EP1334-2BA20 is available from AutoDCSTech. Please verify current lifecycle status and availability before ordering. Our team can assist with technical questions and cross-reference inquiries.
Availability & Condition at AutoDCSTech
| Part Number | 6EP1334-2BA20 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | Germany |
