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Siemens 5ST3012

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5ST3012

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Marvo Stock ID MV-3JQ1
HS Code 85365080
SKU 5ST3012
Condition New unboxed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 5ST3012
Alternative Part Number 5ST3012
Manufacturer Siemens
Series 5ST3
Type Auxiliary Current Switch
Suitable For 5SL, 5SY, 5SP Miniature Circuit Breaker, Incorporated switch 5TL1, RCBO 5SU1, FI 5SV
Current Rating 6 A
Voltage Rating 230 V ac
Protection Class IP20
Dimensions (W x H x D) 9 x 70 x 90 mm
Number of NC Contacts 2
Electrical Endurance 20,000 switching cycles (typical)
Connectable Conductor Cross-Section 0.5 mm² - 2.5 mm²
Tightening Torque 0.5 N·m (maximum)
Ambient Operating Temperature -25 °C to +55 °C
Ambient Storage Temperature -40 °C to +75 °C
Commodity Code 853650

The Siemens 5ST3012 is a meticulously engineered auxiliary current switch designed to complement the 5SL, 5SY, and 5SP series of miniature circuit breakers. This switch is an integral component for electrical safety and control systems, offering a reliable solution for circuit monitoring and fault signalling. With a configuration of 2 normally closed (NC) contacts, it ensures a secure and fail-safe operation in various applications.

Crafted with precision, the 5ST3012 boasts a compact form factor with dimensions of 9 x 70 x 90 mm, making it suitable for space-constrained environments. The switch operates effectively within a voltage range of up to 230 V ac and can handle a current of up to 6 A, ensuring compatibility with a wide range of electrical systems.

The robust design of the 5ST3012 is encapsulated in an IP20-rated enclosure, providing a degree of protection against solid objects, which enhances its durability and longevity in industrial settings. Its mechanical endurance is notable, with an electrical endurance rating that promises a long service life through numerous switching cycles.

Installation and maintenance of the 5ST3012 are straightforward, thanks to its mountable design and the ability to connect conductor cross-sections ranging from 0.5 to 2.5 mm². The switch's mechanical and electrical characteristics make it a versatile choice for a variety of applications, from industrial control panels to commercial electrical distribution systems.

In summary, the Siemens 5ST3012 auxiliary current switch is a vital component for enhancing the functionality and safety of miniature circuit breakers, offering reliability and efficiency for professionals seeking quality electrical control solutions.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the function of this auxiliary current switch?

The auxiliary current switch is designed to work in conjunction with miniature circuit breakers, such as the 5SL, 5SY, and 5SP series, to provide additional switching capabilities. It allows for remote signalling and control by providing two normally closed (NC) contacts.

Can this switch be used with any miniature circuit breaker?

This switch is specifically designed for use with Siemens 5SL, 5SY, 5SP miniature circuit breakers, as well as the incorporated switch 5TL1, RCBO 5SU1, and FI 5SV. It may not be compatible with other types of circuit breakers.

What are the electrical endurance and mechanical specifications of this switch?

The switch has an electrical endurance of typically 20,000 switching cycles and features a compact design with dimensions of 9 x 70 x 90 mm. It is also rated with an IP20 protection class.

What type of conductors can be connected to this switch?

The switch can accommodate conductor cross-sections ranging from 0.5 mm² to 2.5 mm², and it is suitable for use with AWG conductors sized 24 to 12.

What are the environmental operating conditions for this switch?

The switch can operate within an ambient temperature range of -25 °C to +55 °C and can be stored in temperatures ranging from -40 °C to +75 °C.

How is the switch mounted to a circuit breaker?

The switch is mountable and designed to be easily attached to compatible Siemens miniature circuit breakers. It should be installed according to the manufacturer's instructions for proper operation.

What certifications does this switch hold?

The switch comes with a general product approval and a declaration of conformity, ensuring it meets the necessary regulatory standards for use.

Is there a specific torque requirement for the terminal connections?

Yes, when connecting conductors to the screw-type terminals of the switch, a maximum tightening torque of 0.5 N·m should be applied.

What is the significance of the IP20 protection class?

The IP20 protection class indicates that the switch is protected against solid objects larger than 12.5 mm but is not protected against water. It is suitable for indoor use where it is not exposed to moisture.

Can this switch be used for fault signalling?

No, this particular model does not have fault signal contacts and is not designed for fault signalling purposes.

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Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

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.

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