Eaton SMS3PH4TR29 SMS Series Quick Mating Plastic Rectangular Connector - IP30
Part Number: SMS3PH4TR29
Quick Summary
SMS3PH4TR29 is a quick mating plastic rectangular connector designed for PCB mounting in industrial control panels. This solution addresses the common pain point of slow, misaligned mating and unreliable connections in tight spaces by delivering fast, secure engagement. It meets IP30 protection, UL94 V0 flame rating, and REACH compliance, ensuring reliability in harsh environments. As a front-mount panel receptacle with tin pre-plated pins, it delivers robust performance while reducing downtime. For engineers and procurement teams, this means a dependable PCB connector that simplifies installation and maintenance, while aligning with standards and long-term cost-of-ownership considerations.
Product Information
Extended Description
SMS3PH4TR29 Eaton: Straight pin header boardmount with male contacts; SMS3PH4TR29
Product Name
Eaton Souriau SMS series quick mating plastic rectangular connector
Catalog Number
SMS3PH4TR29
Environmental conditions
Flammability rating UL94 V0 REACH
Connector accessory option
No backshell possibility
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact plating
Tin pre plated
Contact type
PCB
Coupling type
Push-Pull
Degree of protection
IP30
Layout
3
Shell material
Plastic
Operating temperature - max
125 °C
Operating temperature - min
-55 °C
Receptacle type
Front Mount Panel
Number Of Contacts
3
Number of cavity #16
3
Feature → Business Impact → Application: The SMS3PH4TR29 uses a 3-contact, male pin (PCB) configuration with tin pre-plated contacts, delivering reliable electrical performance and easy soldering for panel-mounted control electronics. This translates to improved contact integrity and reduced rework in automated assemblies, especially in motor drives or PLC interfaces where space is constrained. Application: PCB connectors in control cabinets benefit from tin pre-plated contacts for consistent conductivity and corrosion resistance, improving long-term durability in harsh industrial environments. Feature → Business Impact → Application: Push-Pull coupling provides quick, vibration-resistant mating and fast disengagement, minimizing maintenance time during field service and reducing downtime in production lines. Application: Front-mount panel receptacles in automated equipment benefit from effortless installation and secure retention. Feature → Business Impact → Application: IP30 protection and UL94 V0 rating ensure regulatory compliance and safety, reducing risk while expanding suitable environments for the connector. Application: Assemblies exposed to non-hazardous dust environments and heat flux in panel products. Feature → Business Impact → Application: Plastic shell keeps weight low and simplifies integration with lightweight enclosures, improving overall system ergonomics and cost efficiency in large-scale machine builds. Application: Control panels and distributed I/O modules requiring a lightweight, cost-effective PCB connector. Feature → Business Impact → Application: 3-position layout with three cavities (#16) enhances compact designs, enabling cleaner wiring schemes and easier harnessing in space-limited panels. Application: Compact automation controllers and sensor interfaces.
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FAQs
SMS3PH4TR29 is designed as a front-mount panel receptacle with PCB contact delivery. It is optimized for board-mounted configurations in control panels and automated equipment, simplifying installation and ensuring secure, repeatable mating in tight spaces.
It features three contacts with tin pre-plated pins for PCB connections, operates from -55 °C to 125 °C, and carries IP30 protection. The unit also complies with UL94 V0 for flammability and REACH for chemical safety, aligning with harsh industrial environments.
No backshell option is specified for this model. The design emphasizes a compact, front-mount receptacle with push-pull coupling, which simplifies harness routing in panel assemblies but may limit certain accessory configurations.
Push-Pull coupling provides quick, positive mating with good retention and easy disengagement, reducing assembly time and servicing effort. This is especially valuable in high-vibration environments typical of automated systems and motor control applications.
Best suited for industrial automation control panels, PLC interfaces, and motor drive assemblies that require a compact 3-pin PCB receptacle with front-mount panel mounting, reliable mating, and robust environmental ratings within a harsh manufacturing setting.