Eaton SMS3SE4K9 Plastic rectangular connector - IP30
Part Number: SMS3SE4K9
Quick Summary
SMS3SE4K9 is a quick-mating plastic rectangular connector ideal for compact PCB and panel wiring. Engineers face space constraints and frequent reconfiguration needs that complicate reliable interconnects. This solution helps by delivering a robust front-mount receptacle with gold-plated PCB contacts and a Push-Pull coupling for secure, vibration-resistant performance. The SMS series meets UL94 V0 flame rating and RoHS and REACH compliance, supporting safety and sustainability goals in automated environments. By combining a 3-position layout with a slim profile, it enables higher packing density and faster assembly in control panels. For ongoing reliability, this device pairs with standard Souriau SMS accessories and supports straightforward field maintenance, reducing downtime and total cost of ownership.
Product Information
Extended Description
SMS3SE4K9 Eaton: Straight boardmount with short PCB male contacts (Gold & Tin plating); SMS3SE4K9
Product Name
Eaton Souriau SMS series quick mating plastic rectangular connector
Catalog Number
SMS3SE4K9
Product Length/Depth
13.4 mm
Product Height
16.2 mm
Product Width
5.9 mm
Product Weight
2.7 g
Environmental conditions
Flammability rating UL94 V0 REACH RoHS
Connector accessory option
No backshell possibility
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact plating
Gold
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 quick mating with Push-Pull coupling → Business Impact reduces assembly time and misalignment risk, delivering faster field upgrades and lower downtime. Application ideal for tight control panels and dashboard assemblies, where space is at a premium and reliability is critical. Feature compact footprint with 13.4 mm length, 16.2 mm height, and 5.9 mm width plus a 3-contact layout → Business Impact enables higher packing density, smaller panel cutouts, and simpler harness routing. Application suitable for narrow enclosures and compact automation equipment.Feature gold-plated PCB contacts → Business Impact ensures low contact resistance, better wear resistance, and longer life in harsh industrial environments. Application supports stable signal integrity for control signals and sensor modernizations.Feature IP30 enclosure with UL94 V0, RoHS, and REACH compliance → Business Impact provides regulator-ready safety and sustainability, reducing compliance risk. Application is appropriate for indoor machinery panels and equipment exposed to routine vibration and temperature variation.Feature Front Mount Panel receptacle design and no backshell option → Business Impact simplifies installation and maintenance, lowering BOM complexity and mounting time in panel wiring. Application suits direct panel-to-board interconnects in automated lines and machine cabinets.
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FAQs
SMS3SE4K9 is a front-mount panel receptacle with PCB contact delivery. It is designed for straight boardmount with male contacts and a 3-position layout. The front mount panel receptacle and 3-cavity design support straightforward harness routing, while its loaded contact delivery means you receive the contacts ready for installation, minimizing field prep and potential mating errors.
Gold plating on the PCB contacts reduces contact resistance and wear, delivering stable signal integrity and long life in industrial environments. The IP30 enclosure, along with UL94 V0, RoHS and REACH compliance, provides protection against dust ingress and flame resistance, making SMS3SE4K9 suitable for indoor automation cabinets where vibration and temperature variation are common.
Yes. The SMS3SE4K9 offers a space-efficient solution for compact control panels, PLCs, and motor drives. Its 3-contact configuration and front-mount receptacle reduce panel cutouts and wiring complexity while maintaining dependable connectivity in tight automation environments.
SMS3SE4K9 carries UL94 V0 flame rating and RoHS and REACH compliance, with IP30 protection provided by the plastic shell. These certifications align with industrial standards for connectors used in enclosed machinery and panels, supporting safe operation and regulatory conformity across regions.
Installation efficiency and reduced downtime drive ROI with SMS3SE4K9. Quick mating lowers assembly time, gold-plated contacts reduce maintenance and replacement costs, and the front-mount panel design simplifies wiring harnessing. When paired with common SMS accessories, serviceability improves, supporting predictable maintenance cycles and a lower total cost of ownership in automated lines.