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Siemens Fault Signalling Auxiliary Contact 2 Contacts, 1 NO/1 NC, DPDT, 400V, Series 5ST3 5ST3020
Specifications
| Country of Origin | India |
|---|---|
| Brand | Siemens |
| Model | 5ST3020 |
| Series | 5ST3 |
| Maximum Operating Temperature | 55°C |
| Minimum Operating Temperature | -25°C |
| Number of Contacts | 2 |
| Contact Voltage | 400V |
| Normal State Configuration | 1 NO/1 NC |
| Pole and Throw Configuration | DPDT |
| Rated Insulation Voltage Ui | 440V |
Key Features
- Offers dual contact functionality with 1 NO and 1 NC contact for versatile signalling.
- Designed to operate safely across a wide temperature range from -25°C to 55°C.
- Features a double pole double throw (DPDT) configuration ensuring reliable switching.
- Rated insulation voltage of 440V provides robust electrical insulation.
- Engineered as part of Siemens professional Sirius 5ST3 series accessories.
- Ideal for automation and control gear applications requiring fault signalling at industrial voltage levels.
- Manufactured to meet demanding electrical and industrial standards, suitable for moderate inrush current circuits.
- Compact design enables easy integration with Siemens distribution boards and contactor assemblies.
Product Description
Siemens 5ST3020 fault signalling auxiliary contact from the professional Sirius 5ST3 series offers reliable electrical control and signalling capabilities. Featuring 2 contacts configured as 1 normally open (NO) and 1 normally closed (NC), this DPDT auxiliary contact supports a contact voltage of 400V and rated insulation voltage (Ui) of 440V.
Designed to operate safely within an environmental temperature range of -25°C to 55°C, it accommodates a variety of industrial and automation control scenarios, including electrical panels, contactor assemblies, and distribution boards.
This accessory is essential in automation and control gear systems that require precise fault signalling, enabling operators to detect and respond to electrical faults effectively. The 5ST3 series design emphasizes durability, reliability, and ease of integration in complex electrical automation systems.
With no specific certifications indicated, it remains compliant with professional industrial standards and is manufactured in India, attesting to strong regional quality controls and supply chain reliability.
Dual contact configuration with 1 NO and 1 NC for flexible signalling use cases. DPDT pole and throw design ensures dependable switching performance. Supports electrical loads up to 400V contact voltage and 440V insulation rating.
Wide operating temperature range allows for installation in challenging environments. Compact form factor facilitates incorporation into existing automation systems. Integral to Siemens distribution boards and auxiliary contact applications.
Manufactured in India, providing local origin assurance.
This Siemens 5ST3020 fault signalling auxiliary contact is ideally suited for electrical automation, industrial control, manufacturing, and building management systems requiring reliable fault detection and signalling.
Discover more Siemens professional automation and control gear accessories within the Electronics & Electricals category at EnvMart.
Explore more products in our Auxiliary Contacts category.
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Frequently Asked Questions
This model features a dual contact configuration with 1 normally open (NO) and 1 normally closed (NC) contact, arranged in a double pole double throw (DPDT) setup.
The rated insulation voltage (Ui) for the Siemens 5ST3020 is 440V, providing robust electrical insulation.
This model operates safely within a temperature range of -25°C to 55°C, making it suitable for various industrial environments.
The Siemens 5ST3020 supports a maximum contact voltage of 400V, suitable for industrial applications.
This auxiliary contact has a total of 2 contacts, configured as 1 NO and 1 NC.
It is part of the Siemens professional Sirius 5ST3 series, designed for automation and control applications.
This model is ideal for automation and control gear systems requiring fault signalling, including electrical panels and distribution boards.
The Siemens 5ST3020 is manufactured in India, ensuring strong regional quality controls.
This auxiliary contact is designed to handle electrical loads up to 400V contact voltage, suitable for moderate inrush current circuits.
The DPDT configuration ensures reliable switching performance, allowing for versatile signalling applications.
While there are no specific certifications indicated, it is compliant with professional industrial standards.
The compact form factor of this model facilitates easy integration into existing automation systems, such as Siemens distribution boards and contactor assemblies.
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