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Siemens 3VL9400-2AB01 Auxiliary Switch Kit - 2 HS (1NO+1NC)

Siemens 3VL9400-2AB01: Auxiliary switch kit with 2 HS (1NO+1NC) contacts.

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ManufacturerSiemens

Part number3VL9400-2AB01

Type Auxiliary Switch Kit

Contacts 2 HS (1NO+1NC)

Installation Side N-pole, Left, or Right

Compatible Series VL150XUL, VL150UL, VL250UL, VL400UL, VL400XUL (CG/FG frames)

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2 High-Speed (HS) contacts 1 Normally Open (NO) + 1 Normally Closed (NC) For Siemens VL UL frame breakers Versatile installation options Genuine replacement part

Product description

The Siemens 3VL9400-2AB01 is an accessory featuring an auxiliary switch kit with 2 high-speed (HS) contacts (1 Normally Open + 1 Normally Closed). It is designed for specific Siemens VL UL frame circuit breakers, including VL150XUL, VL150UL, VL250UL, VL400UL, and VL400XUL (CG and FG frames). This kit is intended for installation on the N-pole, left, or right side and serves solely as a replacement part.

This auxiliary switch kit is vital for providing real-time status feedback from the circuit breaker to control systems. The combination of NO and NC contacts allows for versatile signaling, such as confirming the breaker's open/closed state, triggering alarms, or initiating interlocking sequences within automated processes. Its high-speed nature ensures rapid response in critical applications.

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Technical specifications

Type	Auxiliary Switch Kit
Contacts	2 HS (1NO+1NC)
Installation Side	N-pole, Left, or Right
Compatible Series	VL150XUL, VL150UL, VL250UL, VL400UL, VL400XUL (CG/FG frames)

Common applications

Industrial automation

Control panel integration

PLC interface

Remote status monitoring

Safety interlock systems

High-speed signaling

Compatible systems

VL150XUL VL150UL VL250UL VL400UL VL400XUL (CG/FG frames)

Also known as

Siemens 3VL9400-2AB01 Accessory Siemens VL UL Aux Switch 1NO 1NC HS Switch Kit

Replaces / compatible with

This auxiliary switch kit is a replacement part for Siemens VL150XUL, VL150UL, VL250UL, VL400UL, and VL400XUL circuit breakers (CG/FG frames), offering 2 high-speed contacts.

Technical note

Expert tip

The Siemens 3VL9400-2AB01 auxiliary switch kit's 2 high-speed contacts (1NO+1NC) can be installed on the N-pole, left, or right side of compatible VL UL frame breakers for optimal integration into control schemes.

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Frequently asked questions

What types of contacts are included in the Siemens 3VL9400-2AB01 auxiliary switch kit?

The Siemens 3VL9400-2AB01 auxiliary switch kit includes two high-speed (HS) contacts: one Normally Open (NO) and one Normally Closed (NC). This configuration allows for flexible signaling and control applications.