Weidmüller BLF 5.08HC/18/90F SN OR BX PCB Connector
The Weidmüller BLF 5.08HC/18/90F SN OR BX, item number 1002250000, is a multi-pole female PCB connector intended for industrial electronics that need an organized, pluggable, and serviceable wiring interface. Its 18-pole configuration makes it especially useful when a board must handle a relatively large set of control, signal, or mixed-purpose terminations through one structured connection point.
In practice, the appeal of a connector like this is easy to understand. Engineers want a component that makes the PCB easier to wire, easier to maintain, and easier to fit inside a real enclosure. That is exactly why search phrases such as Weidmüller BLF 5.08HC/18/90F SN OR BX, 18-pole pluggable PCB connector, and 5.08 mm right-angle female terminal connector remain relevant across industrial design and procurement workflows.
Technical Structure and Family Position
The connector belongs to the BLF 5.08HC/90F series, which is defined around a 5.08 mm pitch, female plug construction, and 90-degree form factor. The family uses PUSH IN with actuator, combining fast conductor insertion with more controlled release during service. Weidmüller also highlights high vibration resistance, safe and durable contact behavior, and tool-free wire connection for this product line.
That combination is valuable because industrial connectors do far more than carry electrical signals. They influence assembly time, service behavior, wiring discipline, and overall product ergonomics. A connector that performs well on all of those fronts offers much more than a basic electrical interface.
Weidmüller BLF 5.08HC/18/90F Why 18 Poles Can Improve a Design
An 18-pole Weidmüller PCB connector can consolidate a large number of circuits into one manageable board interface. That is helpful for control modules, I/O boards, process electronics, and automation devices that need grouped inputs, outputs, reference lines, or auxiliary channels. Keeping those circuits centralized often makes the board more readable and the finished wiring more professional.
It can also reduce the need for multiple smaller connectors, which may simplify the bill of materials and streamline assembly. In systems that are produced in volume, these small efficiencies can have a measurable operational impact.
Advantages of the Right-Angle Format
The 90-degree design helps direct conductors along the board plane, which is often the preferred approach in control cabinets and compact device housings. Horizontal wire exit can support more predictable cable management and reduce conductor crowding above the PCB. In real installation environments, that is a major advantage for both assembly staff and service personnel.
The pluggable format adds another layer of value. It makes board removal and replacement more efficient, which is important when service speed matters or when modules need to be swapped during diagnostics.
PUSH IN Operation and Everyday Handling
PUSH IN technology is widely appreciated because it supports quick wiring while preserving a clear, reliable handling process. The actuator makes release safer and more controlled, which is especially important when working with a connector that carries many individual terminations. The more poles involved, the more valuable intuitive handling becomes.
For more information on the brand and related connector families, visit Weidmüller.
Weidmüller BLF 5.08HC/18/90F FAQ
What is the Weidmüller BLF 5.08HC/18/90F SN OR BX best suited for?
It is best suited for industrial PCB assemblies that need a larger number of pluggable connections in one place. Typical examples include control boards, machine modules, automation interfaces, and channel-dense electronics.
Why would an engineer choose 18 poles?
Because the application may require a relatively high circuit count but still benefit from one organized connector instead of several smaller ones. That can simplify design, labeling, and maintenance.
Does this connector help with serviceability?
Yes. The pluggable concept, right-angle layout, and PUSH IN with actuator design all support easier installation and more practical service workflows over the product lifecycle.
Is 5.08 mm pitch still a strong option for industrial boards?
Absolutely. It remains popular because it offers practical spacing, good usability, and compatibility with a broad range of industrial board connection strategies.
Why is a right-angle connector often preferred in enclosures?
Because it supports horizontal cable routing, improves use of vertical space, and can create a cleaner internal wiring path. Those advantages become more visible as device housings become more compact.

