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Siemens 5ST3013 Auxiliary Switch: 1 NO+1 NC for Circuit Breakers

Siemens 5ST3013 low power auxiliary switch with 1 NO + 1 NC contacts.

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ManufacturerSiemens

Part number5ST3013

Contact Configuration 1 NO + 1 NC

Power Rating Low Power

For Use With 5SL, 5SY, 5SP Circuit Breakers

Additional Requirement 5ST3805-1 for 5SU1

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Veteran-owned

CAGE: 9NK75

Low power consumption 1 NO and 1 NC contact configuration Compatible with Siemens 5SL, 5SY, 5SP Suitable for 5SU1 with coupler Reliable signaling

Product description

The Siemens 5ST3013 is a low-power auxiliary switch featuring one normally open (NO) and one normally closed (NC) contact. It is designed for use with Siemens circuit breaker series including 5SL, 5SY, and 5SP. For integration with the 5SU1 series, the 5ST3805-1 handle coupler is necessary.

This switch is ideal for applications where low power consumption is a consideration, such as battery-powered control systems or sensitive electronic interfaces. The 1 NO + 1 NC configuration provides comprehensive status signaling.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5ST3013. We ensure our customers receive high-quality, reliable components for their industrial automation needs, backed by our commitment to service.

Technical specifications

Contact Configuration	1 NO + 1 NC
Power Rating	Low Power
For Use With	5SL, 5SY, 5SP Circuit Breakers
Additional Requirement	5ST3805-1 for 5SU1

Common applications

Low Power Control

Battery Systems

Sensitive Electronics

Industrial Automation

Status Monitoring

Compatible systems

Siemens 5SL, 5SY, 5SP Circuit Breakers; Siemens 5SU1 Circuit Breakers (with 5ST3805-1 coupler)

Also known as

Siemens 5ST3013 low power switch Siemens circuit breaker accessory 5ST3013 Siemens contact block

Replaces / compatible with

This auxiliary switch serves as an accessory for Siemens 5SL, 5SY, and 5SP circuit breakers. The 5ST3805-1 handle coupler is required for compatibility with the 5SU1 series.

Technical note

Expert tip

The low power rating of the 5ST3013 makes it ideal for integration into control systems with limited power budgets or sensitive electronic components.

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Frequently asked questions

What is the key characteristic of the Siemens 5ST3013 auxiliary switch regarding its contacts?

The Siemens 5ST3013 auxiliary switch is characterized by its low power rating and features one normally open (NO) and one normally closed (NC) contact. This makes it suitable for energy-sensitive applications.