Siemens 6EP1333-3BA10 SITOP Universal Industrial Standard Power Supply

The Siemens 6EP1333-3BA10 SITOP Universal Industrial Standard Power Supply is a robust and highly reliable power solution designed for demanding industrial environments. This unit offers exceptional performance, featuring a wide input voltage range, a stable 24V DC output, and a substantial 5A current capacity, totaling 120W of power. Its compact design and DIN rail mounting capability ensure straightforward integration into control cabinets, even in space-constrained applications. Key advantages include its Power Boost function, capable of delivering up to three times the nominal current for short durations, ideal for equipment with high inrush current requirements. Furthermore, the SITOP PSU200M series boasts high efficiency, minimizing energy consumption and heat generation.

Product Specifications

| Feature                      | Specification                                     |

| :--------------------------- | :------------------------------------------------ |

| Manufacturer                 | Siemens                                           |

| Series                       | SITOP PSU200M                                     |

| Model Number                 | 6EP1333-3BA10                                     |

| Input Voltage (AC)           | 85-264V AC (1-phase), 176-550V AC (2-phase) |

| Output Voltage (DC)          | 24V DC (adjustable up to 28.8V DC)        |

| Output Current (Max)         | 5A                                        |

| Rated Power                  | 120W                                      |

| Output Ripple                | < 50mVpp max.                                 |

| Efficiency                   | 0.88                                         |

| Operating Temperature        | 0°C to +60°C, -25 to +70 °C              |

| Mounting Type                | DIN rail                                          |

| Dimensions (H x W x D)       | 125mm x 70mm x 121mm                      |

| Protection Degree            | IP20                                     |

| Signaling Output             | 1 x digital output (DC OK)                    |

| Connection Type              | Screw-clamp terminals                         |

| Mean time between failures   | Not specified                                     |

| Special Features             | Power Boost function, constant current with auto-restart, parallel connection possible |

Core Features & Market Positioning

The Siemens 6EP1333-3BA10 SITOP Universal Industrial Standard Power Supply is positioned as a high-performance, technology-driven solution for complex industrial automation tasks. Its core strength lies in its reliability and comprehensive functionality, catering to demanding applications where stable and efficient power is critical. The "Power Boost" feature is a key differentiator, providing significant short-term current surges for components like motor starters or solenoids, thereby eliminating the need for oversizing the power supply for transient loads. This capability, combined with its wide-range input, makes it a versatile choice for global deployments and environments with fluctuating grid stability. The unit's high efficiency reduces operational costs and thermal stress within control cabinets, contributing to a longer system lifespan. Its positioning as a "Standard product" also implies readily available stock and established support channels.

Key Application Scenarios

This Siemens SITOP power supply is ideally suited for a wide array of industrial automation and control applications. Its primary use cases include powering control systems, sensors, actuators, and instrumentation in sectors such as manufacturing, process control, building automation, and material handling. The stable 24V DC output is fundamental for PLCs, HMIs, and various types of industrial sensors that require consistent power. Applications involving machinery with high startup currents, such as conveyor systems, robotics, or automated assembly lines, greatly benefit from the Power Boost function. Furthermore, its suitability for 1-phase and 2-phase operation broadens its applicability in diverse electrical infrastructures.

Practical System Integration Guidance

Integrating the Siemens 6EP1333-3BA10 into an industrial control system is streamlined due to its DIN rail mounting and straightforward terminal connections. The unit accepts a broad AC input voltage range, typically from 85-264V AC for single-phase and 176-550V AC for two-phase operation, simplifying global deployment and compensating for voltage variations. Wiring should be executed according to local electrical codes and standards, ensuring proper grounding and use of appropriately sized conductors for the 5A output. For enhanced system availability, the 6EP1333-3BA10 can be integrated with other SITOP add-on modules, such as buffer modules for short power interruptions, redundancy modules for fail-safe operation with two power supplies, or selectivity modules for intelligent load distribution and protection. The unit also features a digital output that signals "DC OK," providing a status indication for the output voltage, which can be wired to a PLC for monitoring.

Operation and Risk Mitigation

Safe operation of the Siemens 6EP1333-3BA10 requires adherence to standard industrial safety practices. Always ensure the main power is disconnected and secured before performing any installation, wiring, or maintenance. The power supply is designed with overload protection, offering selectable modes such as constant current with automatic restart or latching disconnection to prevent damage during fault conditions. Its IP20 protection rating means it is protected against solid objects greater than 12.5mm but is not protected against water, necessitating installation within an enclosure to prevent contact with live parts and protection from environmental contaminants. The unit is also compliant with SEMI F47 standards, indicating its resilience to voltage sags common in semiconductor manufacturing environments. Regular inspection of connections and environmental conditions within the control cabinet will mitigate potential operational risks.

Scalability & Long-Term Value

The Siemens 6EP1333-3BA10 offers significant long-term value through its modular design and compatibility with the broader SITOP ecosystem. It can be scaled to meet increasing power demands or enhance reliability by paralleling with identical units using a special switch setting, or by incorporating redundancy modules. This modularity allows for system expansion without replacing the entire power supply infrastructure. Furthermore, Siemens' commitment to robust industrial solutions ensures ongoing support and availability of compatible components. While specific IIoT integration details for this particular model are not extensively documented, the general trend in industrial power supplies is towards smart monitoring and diagnostics, often facilitated through communication modules or integrated digital outputs that can feed data into SCADA or IIoT platforms for predictive maintenance and system optimization.

Frequently Asked Questions

What are the primary advantages of the Siemens 6EP1333-3BA10 SITOP power supply?

The Siemens 6EP1333-3BA10 offers several key advantages, including its robust 24V DC output at 5A, suitable for many industrial applications. Its wide input voltage range (85-264V AC single-phase, 176-550V AC two-phase) ensures operational stability in diverse power grids.

A standout feature is the "Power Boost" function, delivering up to three times the nominal current for short durations, which is ideal for powering devices with high inrush currents, such as motors or solenoids. This capability often negates the need for over-specifying the power supply.

The unit also boasts high efficiency, minimizing energy consumption and heat dissipation, which is crucial for densely populated control cabinets and reduces overall operational costs and thermal stress on other components. Its compact DIN rail mountable design further simplifies integration into existing control systems.

What technical specifications are critical for the Siemens 6EP1333-3BA10?

Key technical specifications for the Siemens 6EP1333-3BA10 include its output of 24V DC at a maximum of 5A, providing a total rated power of 120W. The input voltage flexibility is notable, accepting 85-264V AC on single-phase and 176-550V AC on two-phase configurations.

The output ripple is kept to a minimum, specified as less than 50mVpp, ensuring stable power for sensitive electronics. It operates efficiently with an efficiency rating of 0.88 and is designed for a wide ambient temperature range, typically from 0°C to +60°C, with some sources indicating up to -25°C to +70°C.

Mounting is via standard DIN rail, and it features IP20 protection, necessitating enclosure in control cabinets. A digital output signals "DC OK" for system monitoring purposes.

Where is the Siemens 6EP1333-3BA10 SITOP power supply typically used?

The Siemens 6EP1333-3BA10 is widely deployed in industrial automation and control systems. Its primary applications include powering PLCs, HMIs, sensors, and actuators in manufacturing plants, process industries, and building automation systems.

It is particularly valuable for applications that require handling high transient currents during startup, thanks to its Power Boost feature. This includes powering motor drives, conveyor systems, robotic cells, and other machinery with significant inrush current demands.

The power supply's versatility in accepting single-phase or two-phase AC input makes it suitable for various electrical infrastructures globally, ensuring reliable operation even with fluctuating mains voltages.

How does the Power Boost function of the 6EP1333-3BA10 work?

The Power Boost function on the Siemens 6EP1333-3BA10 allows it to temporarily supply up to three times its nominal output current. This feature is designed to overcome the high inrush currents that occur when certain equipment, like motors or solenoid valves, is initially powered on.

By providing this surge capacity for short durations, the power supply prevents its own overload protection from tripping during these transient events. This means users can select a power supply rated for the continuous load, rather than needing to oversize it significantly to accommodate peak startup demands.

This function is essential for ensuring reliable operation of machinery that experiences significant temporary current spikes, thereby enhancing system stability and preventing nuisance shutdowns.

Can the Siemens 6EP1333-3BA10 be used in parallel?

Yes, the Siemens 6EP1333-3BA10 SITOP power supply can be connected in parallel to increase the total power output or provide redundancy. This is achieved by connecting two identical units together.

To enable parallel operation, a specific setting on the device, often referred to as switching the output characteristic to "ON" using a selector switch or similar mechanism, is required. This ensures proper load sharing between the units.

Parallel connection is a common strategy to enhance system reliability, ensuring that if one power supply fails, the other can continue to supply power, thus minimizing downtime. It also allows for a higher total current capacity than a single unit can provide.

What are the typical installation requirements for the 6EP1333-3BA10?

Installation of the Siemens 6EP1333-3BA10 requires adherence to standard electrical safety practices. It is designed for DIN rail mounting (35mm x 7.5mm or 35mm x 15mm), ensuring a secure and space-efficient fit within control cabinets.

Before installation or maintenance, the main power supply must be switched off and secured against accidental re-energization to prevent electrical shock hazards. Proper wiring with conductors of adequate gauge for the 5A output is essential, following local electrical codes and regulations.

The unit has an IP20 protection rating, meaning it must be installed within an appropriate enclosure to protect against dust and accidental contact with live components, safeguarding both personnel and the device itself.

What is the input voltage range of the Siemens 6EP1333-3BA10?

The Siemens 6EP1333-3BA10 features a wide-range input that can accept different voltages depending on the connection configuration. For single-phase operation, the input voltage range is typically 85-264V AC.

When configured for two-phase operation, the input voltage range extends to 176-550V AC. This broad input capability makes the power supply highly versatile for use in various global power grids and environments prone to voltage fluctuations.

The default factory setting for the voltage range selector switch is often 230V, but it can be adjusted as needed for the specific installation to ensure optimal performance and safety.

How does the Siemens 6EP1333-3BA10 handle overloads?

The Siemens 6EP1333-3BA10 offers flexible overload handling mechanisms to protect the unit and the connected load. It provides a choice between constant current with automatic restart or a latching disconnection mode.

In constant current mode, if an overload condition occurs, the power supply will limit the output current to a safe level and attempt to restart automatically when the overload is removed. This is useful for loads that may experience temporary overcurrents.

Alternatively, the latching disconnection mode will shut down the power supply completely upon detecting an overload. A manual reset, often requiring cycling the main power off and on for a specific duration (e.g., 30 seconds), is then necessary to restore operation.

What are the typical troubleshooting steps for a Siemens 6EP1333-3BA10 power supply?

When troubleshooting a Siemens 6EP1333-3BA10, begin by verifying the input voltage is within the specified range (85-264V AC single-phase or 176-550V AC two-phase) and that wiring connections are secure and correct. Check for any visible damage to the unit or its connections.

Observe the LED indicators; the "DC OK" signal indicates the output voltage is within its nominal range. If the output is absent or unstable, check if any overload protection (constant current or latching shutdown) has been activated. A brief power cycle might reset a latching shutdown if the overload condition has been cleared.

If the issue persists, consider potential internal faults. While component-level repair is possible for some SITOP units, severe faults may require replacement. Consulting the official Siemens documentation or contacting technical support is recommended for complex diagnostic scenarios.

What is the significance of the IP20 rating for this power supply?

The IP20 rating for the Siemens 6EP1333-3BA10 signifies that the power supply is protected against solid objects greater than 12.5mm in diameter, such as fingers, but it offers no protection against water ingress.

This rating means the unit is not intended for direct exposure to moisture, dust, or corrosive environments. It must be installed within a suitable control cabinet or enclosure that provides adequate protection against environmental factors and prevents accidental contact with its live internal components.

Proper enclosure not only ensures safety for personnel by preventing contact with hazardous voltages but also protects the power supply from potential damage caused by contaminants, thereby contributing to its longevity and reliable operation.