Siemens 3RT7016-1AN22 High Performance Industrial Control Contactor 200VAC 9A 3NO

The Siemens 3RT7016-1AN22 is a high-performance industrial control contactor engineered for demanding applications, offering reliability and efficiency in motor control circuits. This 200VAC, 9A contactor features three normally open (3NO) poles, making it ideal for switching inductive loads. Its robust design ensures longevity and consistent operation in harsh industrial environments. Key advantages include its compact size for space-constrained panels, superior electrical performance, and seamless integration into Siemens automation systems.

Product Specifications

| Feature                     | Specification               |

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

| Product Type                | Industrial Control Contactor |

| Manufacturer                | Siemens                     |

| Model Number                | 3RT7016-1AN22               |

| Coil Voltage                | 200 VAC                     |

| Rated Operational Current   | 9 A                         |

| Number of NO Poles          | 3                           |

| Number of NC Poles          | 0                           |

| Auxiliary Contacts          | None included (specific model) |

| Mounting Type               | Rail Mount                  |

| Protection Rating           | IP20                        |

| Operating Temperature Range | -25 to +60 °C               |

Core Features & Market Positioning

The Siemens 3RT7016-1AN22 distinguishes itself through its high electrical endurance and reliable switching capabilities, crucial for motor control applications where frequent operation is expected. Its positioning within the Siemens industrial automation ecosystem emphasizes compatibility and ease of integration with other Siemens components, such as circuit breakers and overload relays, forming a cohesive control system. This product is designed for users who prioritize robustness and long-term operational stability over basic functionality, often specifying Siemens for their existing infrastructure or seeking proven reliability. The contactor's design incorporates advanced arc-quenching technology, contributing to its longevity and safe operation.

Key Application Scenarios

This Siemens 3RT7016-1AN22 contactor is extensively used in various industrial sectors for controlling and switching three-phase motors. Common applications include pumps, fans, compressors, and conveyor systems in manufacturing plants, building automation, and water treatment facilities. Its 9A rating makes it suitable for medium-duty motor loads where precise and dependable power switching is paramount. The 200VAC coil voltage specification indicates its use in regions or specific applications adhering to this power standard, ensuring efficient motor starting and stopping sequences.

Practical System Integration Guidance

Integrating the Siemens 3RT7016-1AN22 is straightforward due to its standard rail-mount design. Installation typically involves snapping the contactor onto a 35mm DIN rail within an electrical enclosure. Wiring connections are made via screw terminals, requiring proper stripping and tightening of conductors to ensure secure electrical contact and prevent overheating. For optimal performance and safety, it is crucial to connect the coil terminals to the appropriate 200VAC control circuit and the power terminals to the motor circuit, ensuring that the current rating of the contactor is not exceeded. Overload protection, often achieved with a separate Siemens overload relay (e.g., from the 3RU series), should be wired in series with the contactor to protect the motor from overcurrent conditions.

Operation and Risk Mitigation

Proper operation of the Siemens 3RT7016-1AN22 relies on adherence to its specified electrical parameters. Users must ensure the coil voltage consistently matches the 200VAC supply to prevent damage or malfunction. When switching inductive loads, such as motors, transient voltage suppression might be considered to protect control circuitry, although the contactor itself is designed for robust load switching. Risk mitigation primarily involves ensuring correct installation, proper wiring, and the use of appropriate protective devices like overload relays and circuit breakers. Regular inspection of terminals for signs of wear or discoloration is recommended.

Scalability & Long-Term Value

The Siemens 3RT7016-1AN22 offers long-term value through its inherent durability and compatibility within the broader Siemens industrial automation portfolio. While this specific model is a standalone component, its integration capabilities allow for scalability within larger control systems. For instance, it can be part of a network controlled by a Siemens PLC (Programmable Logic Controller), enabling remote operation and monitoring. Its compatibility with other Siemens components ensures that as a facility's automation needs evolve, the contactor can remain a reliable part of the electrical infrastructure, or be seamlessly replaced by newer, compatible Siemens contactor variants if higher ratings or advanced features are required.

Frequently Asked Questions

Q1: What is the maximum current rating for the Siemens 3RT7016-1AN22?

The Siemens 3RT7016-1AN22 contactor is rated for a maximum operational current of 9 Amperes. This current rating applies to AC-3 duty, which is typical for motor control applications. It's essential to verify the motor's full-load current to ensure it stays within this limit for reliable operation.

Exceeding the 9A rating can lead to overheating, premature wear, and potential failure of the contactor's internal components. Always consult the motor's nameplate and the contactor's datasheet for precise application suitability.

Adhering to this specification is critical for safety and longevity, preventing damage to both the contactor and the connected equipment.

Q2: Can the Siemens 3RT7016-1AN22 be used with DC loads?

No, the Siemens 3RT7016-1AN22 is specifically designed for AC (Alternating Current) circuits, particularly for motor control. Its coil is rated for 200VAC, and its pole configuration is optimized for switching AC loads.

Using this contactor with DC (Direct Current) loads is not recommended and can lead to improper operation, arcing, and potential damage. DC circuits have different switching characteristics and arc suppression requirements.

For DC applications, Siemens offers specific DC contactors or relays designed to safely and effectively handle direct current. Always select components matched to the type of current in your system.

Q3: What type of mounting is used for the Siemens 3RT7016-1AN22?

The Siemens 3RT7016-1AN22 utilizes a standard DIN rail mounting system. This allows for quick and secure installation onto 35mm wide symmetrical top-hat DIN rails commonly found in electrical control panels.

This mounting method simplifies the assembly process, enabling electricians and panel builders to efficiently integrate the contactor into existing or new control cabinets. It also facilitates easy replacement or rearrangement of components.

Ensuring the DIN rail is properly secured and level is important for the contactor to latch on correctly and maintain reliable electrical connections.

Q4: Does this contactor include auxiliary contacts for signaling?

The specific Siemens 3RT7016-1AN22 model, as indicated by its part number, does not come with integrated auxiliary contacts. It is configured with three normally open (3NO) power poles only.

If auxiliary contacts (normally open or normally closed) are required for signaling or interlocking purposes, a different variant or an add-on auxiliary contact block would be necessary. Siemens offers various add-on blocks that can be easily attached to the front or side of compatible contactors.

For applications needing status feedback (e.g., whether the motor is running), you would need to select a model with integrated auxiliary contacts or purchase and install a compatible auxiliary contact module.

Q5: What is the coil voltage of the Siemens 3RT7016-1AN22?

The Siemens 3RT7016-1AN22 has a coil voltage rating of 200 VAC. This is the voltage required to energize the coil and close the main power contacts.

It is crucial to connect the coil to a power source that precisely matches this 200VAC specification. Supplying a voltage significantly higher or lower can lead to malfunction or damage.

Always confirm the available control voltage in your system before selecting and wiring any contactor to ensure compatibility and safe operation.

Q6: How is overload protection typically implemented with this contactor?

Overload protection for the Siemens 3RT7016-1AN22 is typically achieved by using a separate Siemens overload relay, such as those from the 3RU series. These relays are mounted directly below the contactor or wired in series with the motor's power circuit.

The overload relay monitors the current drawn by the motor and trips (opens its contacts) if it exceeds a set threshold for a sustained period, thus preventing motor damage from overcurrent conditions. The trip signal from the overload relay can also be used to de-energize the contactor coil.

It is a standard safety practice in motor control to always pair a contactor with an appropriately sized and rated overload relay to protect the motor and the system.

Q7: What is the IP rating of the Siemens 3RT7016-1AN22?

The Siemens 3RT7016-1AN22 has an IP20 protection rating. This means it is protected against solid objects larger than 12.5 mm (like a finger) but offers no protection against water ingress.

This rating is suitable for use within enclosed control panels where personnel cannot accidentally touch live parts. It's important to ensure the contactor is installed in an environment that meets these requirements.

Installations in environments with dust, moisture, or corrosive elements may require a higher IP rating or additional enclosure protection for the contactor and its surroundings.

Q8: Can this contactor be used in extreme temperature environments?

The Siemens 3RT7016-1AN22 is designed to operate within a temperature range of -25°C to +60°C. This range covers most standard industrial operating conditions encountered in many climates.

Operating outside of this specified range can affect the performance and lifespan of the contactor. Extreme cold can make components brittle, while extreme heat can lead to premature degradation of insulation and mechanical parts.

If your application involves temperatures outside this range, it's advisable to consult Siemens for specialized contactors or to implement environmental controls within the enclosure.

Q9: What are the dimensions of the Siemens 3RT7016-1AN22?

While exact dimensions can vary slightly based on specific configurations or add-ons, the Siemens 3RT7016-1AN22 typically features a compact footprint suitable for standard control panels. Its width is approximately 45 mm, height around 87 mm, and depth approximately 90 mm.

These dimensions are optimized for efficient use of space within electrical enclosures, especially when DIN rail mounted alongside other components like circuit breakers and relays. Always refer to the official datasheet for precise measurements.

The compact design ensures that multiple contactors or other devices can be installed in a single panel without compromising wiring space or accessibility.

Q10: How does the Siemens 3RT7016-1AN22 integrate with Siemens S7 PLCs?

The Siemens 3RT7016-1AN22 can be easily integrated into control systems utilizing Siemens S7 PLCs through standard digital output modules. The PLC's output signal activates the contactor's 200VAC coil.

Wiring involves connecting a PLC digital output to one side of the contactor coil and a 200VAC control power source (often via a fused disconnect) to the other side of the coil. Safety interlocks can also be wired through the PLC for advanced control logic.

Programming within the S7 PLC would involve assigning a digital output address to control the contactor, allowing for remote start/stop commands and inclusion in automated sequences.