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Siemens 3VL9400-2AD00 Aux/Alarm Switch Kit - 2 HS (1NO+1NC) + 1 AS (1NO)

Siemens 3VL9400-2AD00: Aux/Alarm switch kit for VL breakers.

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ManufacturerSiemens

Part number3VL9400-2AD00

Type Auxiliary/Alarm Switch Kit

Contacts 2 HS (1NO+1NC) + 1 AS (1NO)

Installation Side Left or Right

Compatible Series VL160X, VL160, VL250, VL400

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12-month warranty

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Combined auxiliary and alarm functions 2 High-Speed (HS) contacts (1NO+1NC) 1 Auxiliary (AS) alarm contact (1NO) For Siemens VL circuit breakers Left/Right installation options

Product description

The Siemens 3VL9400-2AD00 is an accessory featuring a combined auxiliary/alarm switch kit. It provides 2 high-speed (HS) contacts (1 Normally Open + 1 Normally Closed) and 1 auxiliary (AS) alarm contact (1 Normally Open). This kit is designed for Siemens VL160X, VL160, VL250, and VL400 circuit breakers and is intended for installation on the left or right side as a spare part for replacement purposes only.

This versatile kit allows for comprehensive monitoring and signaling capabilities for the circuit breaker. The HS contacts are suitable for high-speed interlocking or status indication, while the AS alarm contact can be used to signal specific fault conditions or operational states. This makes it invaluable in complex industrial control systems where detailed feedback is required.

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Technical specifications

Type	Auxiliary/Alarm Switch Kit
Contacts	2 HS (1NO+1NC) + 1 AS (1NO)
Installation Side	Left or Right
Compatible Series	VL160X, VL160, VL250, VL400

Common applications

Industrial automation

Control systems

PLC integration

Alarm signaling

Remote monitoring

Safety interlocks

Power distribution

Compatible systems

VL160X VL160 VL250 VL400

Also known as

Siemens 3VL9400-2AD00 Accessory Siemens VL Aux Alarm Switch 2HS+1AS Switch Kit

Replaces / compatible with

This auxiliary/alarm switch kit is a replacement part for Siemens VL160X, VL160, VL250, and VL400 circuit breakers, providing combined HS and AS contact functionalities.

Technical note

Expert tip

The Siemens 3VL9400-2AD00 kit's combination of high-speed and alarm contacts allows for advanced integration into sophisticated control logic for VL series circuit breakers, suitable for left or right-side mounting.

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Frequently asked questions

What are the contact configurations available in the Siemens 3VL9400-2AD00 accessory?

The Siemens 3VL9400-2AD00 accessory is a combined auxiliary and alarm switch kit. It features two high-speed (HS) contacts (1 NO + 1 NC) and one auxiliary (AS) alarm contact (1 NO), offering versatile signaling capabilities.