Allen‑Bradley 1756‑N2 ControlLogix Empty Slot Cover Blank Filler Dust Cover

Allen‑Bradley 1756‑N2 is an empty slot cover (slot filler / blank cover / dust cover) for unused positions in ControlLogix chassis, protecting backplane connectors and maintaining proper airflow in PLC racks. Also known as ControlLogix slot blank, 1756 rack filler, or PLC chassis dust cover.

Applications:

• Cover empty slots in ControlLogix 1756 chassis

• Protect backplane connectors from dust and debris

• Maintain chassis cooling airflow

• Organize partially populated PLC racks

• Prevent accidental contact with exposed connectors

• Replacement for missing slot covers in used systems

Key Features:

• Fits any empty slot in all 1756 chassis (4‑slot to 17‑slot)

• Snap‑in installation, no tools required

• Flame‑retardant black plastic construction

• Maintains UL/CSA certification for unused slots

• Lightweight, one cover per slot

• Standard accessory for ControlLogix systems

Technical Specifications:

• Compatibility: ControlLogix 1756‑A4, ‑A7, ‑A10, ‑A13, ‑A17

• Material: Flame‑retardant plastic

• Color: Black

• Installation: Snap‑in, tool‑free

• Weight: <0.05 kg

System Integration:

• PLC Chassis: ControlLogix 1756 series racks (4, 7, 10, 13, 17 slots)

• Application: Slot protection in partially populated systems

• Related Parts: Also fits 1756‑A17, 1756‑A13, 1756‑A10, 1756‑A7, 1756‑A4

Related Products:

• Chassis: 1756‑A7 ControlLogix 7‑Slot Chassis – main rack

• Power Supply: 1756‑PA72 ControlLogix AC Power Supply – rack power

• Controller: 1756‑L83E ControlLogix PLC – system core

• I/O Module: 1756‑IB32 Digital Input Module – typical I/O

PLC ERA is an independent industrial automation distributor. Products are sourced from established supply channels and inspected before shipment. International shipping available.