Allen Bradley 1746-N2 B SLC 500 Card Slot Filler

The 1746-N2 is a slot filler (blank module) belonging to Allen-Bradley’s SLC™ series (product 

series: Bul. 1746 / 1747), specifically designed for all SLC 500 chassis. As a blank module, its core 

function is to fill unused slots in the SLC chassis, maintaining the chassis’s structural integrity and 

protecting internal components from dust, debris, or environmental interference.

It is compatible with a wide range of supporting products, including replacement power supplies, 

chassis, communication modules, I/O cards, and accessories. Users can pair it with the EtherNet I/P 

Adapter (1747-AENTR) to convert existing systems to distributed I/O configurations, and select 

analog or digital I/O cards to modify and expand system capabilities as needed. The product 

receives continued support from NHP and Rockwell Automation, including professional lifecycle 

management strategies. Note that the provided product image is representative, and the actual 

product may vary based on configuration selections.

Product Category: PLC & I/O component, specifically a chassis slot filler (blank module).

Compatibility: Universal for all SLC 500 chassis models under the SLC™ series (Bul. 1746 / 1747).

Supporting Documentation: Relevant references include Supplier Declaration of Conformity, 

Installation Guide, User Manual, and Manufacturer Catalogue & Product Selection documents.

Certifications: No IECEx Certificate specified; manufacturer datasheet not provided (details subject 

to official technical materials).

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