Weidmüller 1005300000 BCZ 3.81 AH05 BK BX in 5-Pole PCB Connector Designs
The Weidmüller 1005300000 BCZ 3.81 AH05 BK BX cover hood is made for connector assemblies where dimensional fit and accessory consistency matter. In PCB plug-in systems, a hood is not simply an optional cap. It is part of a well-defined connector ecosystem that can influence handling, protection, and the finished quality of the interface. When product developers want a cleaner and more complete plug-in connection, a family-specific hood becomes a logical choice.
Weidmüller describes the Weidmüller BCZ 3.81 AH05 BK BX hood as a black accessory hood for PCB plug-in connectors in the OMNIMATE Signal BC/SC 3.81 series. This version is designed for 5 poles. The family pitch is 3.81 mm, packaging is box-based, and the system information lists a cover screw tightening torque of 0.4 to 0.5 Nm. The product page also identifies a net weight of approximately 2.8 g and notes that it is used to protect the PCB plug-in connector.
Why the 5-Pole Variant Has Its Own Relevance
Within a connector family, each pole-count version serves a practical design purpose. The Weidmüller 1005300000 BCZ 3.81 AH05 BK BX 5-pole cover hood is meant for a connector layout that carries five positions, and that exact fit is important. In pluggable PCB connectors, alignment affects not only mechanical compatibility but also how neatly the full connection system integrates into the final product.
This becomes especially relevant in devices that need compact but organized multi-position connections. Using the correct pole-specific hood avoids mismatched geometry and helps preserve a professional finish at the connection point.
Product Family and Installation Logic
The Weidmüller BCZ 3.81 AH05 BK BX PCB connector hood is part of the OMNIMATE Signal BC/SC 3.81 platform. That means it sits inside a standardized ecosystem of board connectors and accessories rather than being an isolated part. The 3.81 mm pitch is one of the key family identifiers and helps engineers match the hood to the underlying connector series accurately.
The defined cover screw torque of 0.4 to 0.5 Nm shows that the product is designed for controlled mechanical installation. In manufacturing and service environments, clear torque guidance supports repeatable quality and reduces the risk of under-tightened or over-tightened assemblies.
Why Accessory Hoods Improve Practical Usability
The value of a hood is often easiest to understand during handling. The Weidmüller 1005300000 BCZ 3.81 AH05 BK BX accessory hood can help create a more secure-feeling interface around the connector, improve handling during plugging and unplugging, and support a more structured end-product appearance. In applications where connectors may be serviced in the field, those advantages become especially visible.
Even in factory-only electronics, a properly matched hood contributes to build quality and can help make connector assemblies feel more deliberate and robust.
Typical Use Cases
A Weidmüller 1005300000 BCZ 3.81 AH05 BK BX cover hood is well suited to industrial control electronics, compact automation modules, instrumentation boards, OEM controller products, and building technology devices that use a 5-pole PCB plug-in connector in the BC/SC 3.81 family.
Weidmüller 1005300000 For more information about Weidmüller, comparing accessory hoods alongside the matching BC/SC series plugs is a practical way to streamline connector selection in PCB-based products.
Weidmüller 1005300000 FAQ
What is the Weidmüller 1005300000 BCZ 3.81 AH05 BK BX?
It is a black cover hood accessory for a 5-pole PCB plug-in connector in the OMNIMATE Signal BC/SC 3.81 family.
Why is the 5-pole version different from other BCZ hoods?
The difference is dimensional compatibility. It is designed specifically for connectors with five poles, so the hood matches the corresponding connector geometry.
What does the 3.81 mm pitch indicate?
It identifies the connector family spacing. Pitch is a basic but critical parameter in PCB connector compatibility and mechanical matching.
What torque is recommended for the cover screw?
The recommended cover screw tightening torque is 0.4 to 0.5 Nm according to the product family information.
What is the hood meant to protect?
It is meant to protect the PCB plug-in connector area, supporting a cleaner and more controlled connection interface.
Where would this product typically be used?
It would typically be used in PCB-based industrial devices, control products, signal interfaces, and compact automation electronics using 5-pole pluggable connectors.