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Siemens 5ST3020-0HG Auxiliary Contact - 1 NO + 1 NC

Siemens 5ST3020-0HG fault signal auxiliary contact with 1 NO + 1 NC.

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ManufacturerSiemens

Part number5ST3020-0HG

Contact Configuration 1 NO + 1 NC

Standards UL 489

Type Fault Signal Contact

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12-month warranty

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1 Normally Open Contact 1 Normally Closed Contact UL 489 Compliant Fault Signaling Reliable Performance

Product description

The Siemens 5ST3020-0HG is a fault signal auxiliary contact unit featuring one normally open (NO) and one normally closed (NC) contact. It is designed for use with miniature circuit breakers that comply with UL 489 standards, providing essential signaling capabilities for system status.

This auxiliary contact is crucial for applications requiring remote monitoring or automated response to circuit breaker status. It is commonly used in industrial control panels, power distribution systems, and building automation where reliable signaling of fault or operational states is necessary.

Source your Siemens 5ST3020-0HG from Stanlo Automation, a trusted veteran-owned distributor of surplus industrial parts. We ensure quality and availability, helping you maintain your systems efficiently.

Technical specifications

Contact Configuration	1 NO + 1 NC
Standards	UL 489
Type	Fault Signal Contact

Common applications

Control Panels

Power Distribution

Industrial Automation

Building Automation

Circuit Breaker Monitoring

Compatible systems

Siemens Miniature Circuit Breakers (UL 489 compliant)

Also known as

Siemens 5ST3020-0HG Auxiliary Contact 5ST3020-0HG NC NO

Replaces / compatible with

This auxiliary contact is designed to integrate with specific Siemens miniature circuit breakers, providing expanded functionality for fault signaling.

Technical note

Expert tip

Ensure proper mounting and connection to the compatible Siemens miniature circuit breaker for reliable fault signal transmission.

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Frequently asked questions

What is the contact configuration of the Siemens 5ST3020-0HG?

The Siemens 5ST3020-0HG features a fault signal contact configuration with one normally open (NO) contact and one normally closed (NC) contact.