Weidmüller BLF 5.08HC/19/90

Weidmüller BLF 5.08HC/19/90 SN OR BX PCB Plug-in Connector

The Weidmüller BLF 5.08HC/19/90 SN OR BX PCB plug-in connector is intended for demanding board-level interconnection tasks where a 19-pole configuration delivers the right amount of connectivity without unnecessary excess. In industrial product development, connector selection often reflects a combination of electrical ratings, mechanical fit, service strategy, and installation efficiency. This model addresses those priorities through its pluggable design, established 5.08 mm pitch, and PUSH IN connection concept.

What the Product Is

The Weidmüller BLF 5.08HC/19/90 SN OR BX is a female plug PCB connector with a 90-degree right-angle design. It is part of a connectivity family developed for PCB applications where wires must be connected in a dependable, space-conscious, and maintainable way. Because it uses PUSH IN with actuator technology, it also supports efficient conductor handling in production and field service contexts.

Users typically search for this part when they need a Weidmüller BLF 5.08HC/19/90 SN OR BX PCB plug-in connector, a 19-pole PCB connector, or a pluggable 5.08 mm connector for industrial electronics. Those use cases are highly aligned with the product’s published technical profile and application logic.

Technical Specification Summary

  • Type: PCB plug-in connector, female plug
  • Pitch: 5.08 mm
  • Number of poles: 19
  • Orientation: 90°
  • Connection system: PUSH IN with actuator
  • Maximum clamping range: 3.31 mm²
  • IEC rating: 400 V / 24 A / 0.2–2.5 mm²
  • UL rating: 300 V / 18.5 A / AWG 26–12
  • Packaging: Box

Why 19 Poles Can Be a Smart Design Choice

A 19-pole connector is especially useful in equipment with non-standardized signal counts, where the layout requires more than 18 positions but does not justify a 20-pole alternative. The Weidmüller BLF 5.08HC/19/90 SN OR BX connector allows product designers to match connection capacity more closely to the actual circuit requirement.

That can have practical advantages. It may reduce unused contacts, improve panel labeling clarity, and support a more efficient board arrangement. In industrial manufacturing, seemingly small connector decisions often influence enclosure design, assembly planning, and documentation quality.

Benefits of the Connection Technology

The PUSH IN system helps support faster and more intuitive wiring. This is particularly relevant in production environments where repeated manual operations must remain consistent. The actuator-assisted format also adds flexibility during maintenance, because conductors can be managed in a more controlled way when adjustments or replacements are needed.

For users working with the Weidmüller BLF 5.08HC/19/90 SN OR BX PCB plug-in connector, the combination of right-angle orientation and pluggable structure can also support a more modular maintenance concept. Boards can be accessed, tested, or replaced without fully reworking every individual conductor path.

Typical Application Contexts

This connector can be relevant in industrial control devices, interface boards, monitoring equipment, process electronics, building systems, and OEM machine modules. The 5.08 mm pitch makes it suitable for many established industrial designs, while the 19-pole layout supports application-specific signal grouping.

It is also helpful in projects where a removable connection point improves installation workflow. Pre-assembly, staged commissioning, and service replacement all benefit from pluggable connection architecture.

FAQ

What is the Weidmüller BLF 5.08HC/19/90 SN OR BX used for?

It is used for pluggable PCB wiring in industrial and electronic equipment that requires 19 connection positions in one organized connector.

Why choose a 19-pole connector instead of 20 poles?

A 19-pole version can better match a specific design requirement, avoiding unused positions and supporting a cleaner interface layout.

Is this connector suitable for automation equipment?

Yes. Its ratings, industrial pitch, and pluggable design make it highly relevant to automation boards and control electronics.

What are the practical advantages of a right-angle PCB connector?

A right-angle connector supports side cable exit, which can improve space usage and internal wire routing inside equipment.

Does PUSH IN technology help with maintenance?

Yes. It supports simpler conductor handling, and the actuator helps technicians release or adjust wires more efficiently during service.

Can this connector help with modular equipment design?

Yes. Because it is pluggable, it supports modular replacement and staged assembly approaches that are useful in many industrial products.

For more information about Weidmüller, it is worth reviewing related connectors and matching headers for complete interconnection planning.