Eaton SMS4SE4K9 Quick Mating Plastic Connector - IP30
Part Number: SMS4SE4K9
Quick Summary
Eaton SMS4SE4K9 is a quick mating plastic rectangular connector for PCB-to-board and front-mount panel applications. This compact interconnect addresses the common challenge of maintaining reliable connections in tight automation environments where vibration and misalignment threaten performance. The Souriau SMS series is designed with 4 contact positions, gold-plated PCB pins, and a Push-Pull coupling that speeds assembly while reducing handling errors. It carries RoHS and REACH compliance and a UL94 V0 flammability rating, providing safety and regulatory peace of mind in control cabinets with an IP30 protection level. For OEMs and integrators, the small footprint and robust temperature range of -55 °C to 125 °C translate into higher panel density, easier service, and lower total cost of ownership. Suitable for automation panels, robotics, and compact machinery wiring.
Product Information
Extended Description
SMS4SE4K9 Eaton: Straight boardmount with short PCB male contacts (Gold & Tin plating); SMS4SE4K9
Product Name
Eaton Souriau SMS series quick mating plastic rectangular connector
Catalog Number
SMS4SE4K9
Product Length/Depth
13.4 mm
Product Height
21.3 mm
Product Width
5.9 mm
Product Weight
3.3 g
Environmental conditions
REACH Flammability rating UL94 V0 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
4
Shell material
Plastic
Operating temperature - max
125 °C
Operating temperature - min
-55 °C
Receptacle type
Front Mount Panel
Number Of Contacts
4
Number of cavity #16
4
Feature: 4-position, straight boardmount with short PCB male contacts and gold plating. Business Impact: ensures low resistance, durable mating, and corrosion resistance, supporting reliable operation in vibration-prone automation environments. Application: board-to-board and tight PCB layouts in control cabinets. Feature: Push-Pull coupling and IP30 enclosure. Business Impact: fast, tool-free mating and secure retention, reducing downtime during line changeovers and field maintenance. Application: high-density panel wiring in automated machinery. Feature: Front Mount Panel receptacle with four cavities and four contacts. Business Impact: simplifies front-panel integration, shortens assembly time, and improves serviceability in panel-mounted assemblies. Application: control panels and machine interfaces requiring rapid interconnects. Feature: Operating temperature range from -55 °C to 125 °C and plastic shell material. Business Impact: excellent thermal resilience for harsh industrial environments, lowering failure risk and extending service life. Application: aerospace-grade temperature cycling and factory floor automation. Feature: Compliance with RoHS, REACH, and UL94 V0. Business Impact: regulatory peace of mind and safer electrical performance, supporting compliance-led procurement. Application: machine controls, robotics, and automated systems across regulated industries. Feature: No backshell option. Business Impact: simplifies sourcing and reduces accessory payload, enabling quicker installation in constrained spaces. Application: compact panel interfaces where backshells are not required.
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FAQs
SMS4SE4K9 uses a front-mount panel receptacle with four contacts. For installation, ensure correct PCB footprint alignment, proper mating sequence using the Push-Pull mechanism, and mounting clearance to maintain IP30 integrity. The device is designed for easy field servicing, with no backshell accessory required, which simplifies enclosure planning and reduces installation time.
Key specs include four gold-plated PCB contacts in a 4-position configuration, IP30 protection, and a wide operating temperature range of -55 °C to 125 °C. The connector is RoHS and REACH compliant with UL94 V0 flammability, ensuring safe operation in automated control panels and harsh industrial environments.
Yes. The Push-Pull coupling and the four-position PCB contacts provide reliable mating and retention, reducing the risk of intermittent connections under vibration. Its temperature tolerance and robust plastic shell further support longevity in robotics, conveyors, and other vibration-prone automation systems.
The SMS4SE4K9 is RoHS and REACH compliant and features UL94 V0 flammability rating. These certifications support regulatory compliance for industrial automation, electrical cabinets, and machinery wiring in regulated industries.
The combination of a compact front-mount design, no backshell requirement, and quick mating reduces labor time during assembly and maintenance. Gold-plated contacts ensure longevity and lower replacement costs, while wide temperature tolerance minimizes failure risk in extreme environments, delivering lower TCO over the product life cycle.