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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VA9157-0HA10 |
| Alternative Part Number | 3VA91570HA10 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | Accessories |
| Product Version | Motorised operating mechanism (MO) |
| Rated Control Supply Voltage Us | 24-60 V DC |
| Rated Operational Power | 250 VA |
| Height | 70 mm |
| Width | 76.2 mm |
| Depth | 103 mm |
| Net Weight | 578 g |
| Ambient Temperature (Operation) | -25 °C to +70 °C |
| Ambient Temperature (Storage) | -40 °C to +80 °C |
| Tightening Torque | 0.36 N·m to 0.44 N·m |
| Connectable Conductor Cross-Section (Solid) | 1.5 mm² to 2.5 mm² |
| Connectable Conductor Cross-Section (Finely Stranded) | 1.5 mm² to 2.5 mm² with core end processing |
| Connectable Conductor Cross-Section (Stranded) | 1.5 mm² to 2.5 mm² |
| Stripped Length | 7 mm |
| Operating Frequency (Maximum) | 120 1/h |
| Break Time (Typical) | 0.8 s |
| Make Time (Typical) | 0.8 s |
| Product Function | No Bus communication |
| Accessory Type | Motorised operating mechanism (MO) for 3VA1 160 circuit breakers |
The Siemens 3VA9157-0HA10 is a versatile motor operator designed to enhance the functionality of circuit breakers. This accessory is part of the esteemed SENTRON product line, known for its reliability and efficiency in electrical protection and control. With a rated control supply voltage of 24 to 60 V DC, it ensures seamless integration with a wide range of power systems.
Crafted with precision, the 3VA9157-0HA10 boasts a compact design, measuring 70 mm in height, 76.2 mm in width, and 103 mm in depth, making it suitable for installations where space is at a premium. The unit's net weight of 578 g allows for easy handling and installation.
This motor operator is engineered to operate within an ambient temperature range of -25 °C to 70 °C, ensuring consistent performance even in demanding environments. The robust mechanical construction is complemented by the ability to connect conductor cross-sections ranging from 1.5 mm² to 2.5 mm², catering to various wiring requirements.
The 3VA9157-0HA10 is designed for user convenience, featuring a stripped length of 7 mm for connections according to IEC standards. This ensures a straightforward setup process, allowing for quick and efficient commissioning.
Ideal for use with the 3VA1 160 series of circuit breakers, this motor operator accessory is a testament to Siemens' commitment to innovation and quality in electrical components. It is a superb choice for those seeking to automate their circuit breaker operations, providing both reliability and ease of use in a range of electrical applications.
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Frequently Asked Questions
What is the function of this accessory?
This accessory is a motor operator designed to provide motorized control for compatible circuit breakers, allowing for remote operation and automation within electrical distribution systems.
What voltage range does the motor operator support?
The motor operator supports a control supply voltage range of 24 to 60 V DC, making it versatile for various DC control systems.
Can this motor operator be used in extreme temperatures?
Yes, the motor operator is designed to function within an ambient temperature range of -25 °C to 70 °C during operation, ensuring reliability in a variety of environmental conditions.
What are the dimensions and weight of the motor operator?
The motor operator has a height of 70 mm, a width of 76.2 mm, and a depth of 103 mm, with a net weight of 578 g.
What type of conductors can be connected to the motor operator?
The motor operator can be connected to solid, finely stranded, or stranded conductors with a cross-section ranging from 1.5 mm² to 2.5 mm².
Is there a specific tightening torque for the connections?
Yes, the connections should be tightened with a torque between 0.36 N·m and 0.44 N·m, according to IEC standards.
How does the ambient temperature during storage affect the motor operator?
The motor operator can be stored in temperatures ranging from -40 °C to 80 °C without affecting its performance or durability.
What is the typical break and make time for this motor operator?
The typical break and make time for the motor operator is approximately 0.8 seconds, providing swift operation for circuit control.
What is the maximum operating frequency of the motor operator?
The motor operator can handle a maximum operating frequency of 120 operations per hour, suitable for applications with moderate switching demands.
Does the motor operator come with any product certifications?
The motor operator comes with general product approvals and EMC declarations of conformity, ensuring compliance with industry standards.
Part conditions explained
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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
