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Siemens SENTRON 3NW7903-1 Auxiliary Switch for Compact Fuse Holders

Siemens SENTRON auxiliary switch, 5A, 250V AC, 1 NC, 1 NO.

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ManufacturerSiemens

Part number3NW7903-1

Voltage Rating 250 V AC

Current Rating 5 A

Contacts 1 NC, 1 NO

Type Auxiliary Switch

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12-month warranty

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Veteran-owned

CAGE: 9NK75

1 NC and 1 NO contact configuration 5A at 250V AC rating Designed for Siemens compact fuse holders Adds signaling capabilities Enhances control system functionality

Product description

The Siemens 3NW7903-1 is an auxiliary switch designed for use with Siemens compact fuse holders. It features one Normally Closed (NC) contact and one Normally Open (NO) contact, with a rating of 5 A at 250 V AC. This switch provides additional signaling or control capabilities for your automation system.

This auxiliary switch is commonly used in industrial control systems to provide status feedback or to interlock with other control components. It enhances the functionality of fuse holders by adding monitoring or control points.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3NW7903-1 auxiliary switch. We provide reliable surplus automation parts and dedicated service to meet your industrial needs.

Technical specifications

Voltage Rating	250 V AC
Current Rating	5 A
Contacts	1 NC, 1 NO
Type	Auxiliary Switch
Compatibility	Compact Fuse Holders

Common applications

Fuse status monitoring

Control interlocking

Industrial automation

Panel building

Machine control

Compatible systems

Siemens compact fuse holders Industrial control panels Automation systems requiring status feedback

Also known as

Siemens SENTRON 3NW7903-1 3NW7903-1 Auxiliary Contact Compact Fuse Holder Auxiliary Switch

Replaces / compatible with

This auxiliary switch is designed to be mounted on compatible Siemens compact fuse holders. Consult Siemens documentation for specific compatibility.

Technical note

Expert tip

This auxiliary switch adds valuable signaling capabilities to compatible Siemens fuse holders, aiding in system monitoring and diagnostics.

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Frequently asked questions

What are the contact configurations of the Siemens 3NW7903-1 auxiliary switch?

The Siemens 3NW7903-1 auxiliary switch features one Normally Closed (NC) contact and one Normally Open (NO) contact. This provides flexibility for integrating into various control and signaling circuits.