Eaton SMS4PDH3 Quick Mating Plastic Rectangular Connector - IP40
Part Number: SMS4PDH3
Quick Summary
SMS4PDH3 is a quick-mating plastic rectangular connector for rugged industrial automation wiring. Engineers frequently struggle with securing reliable electrical connections under vibration, limited space, and frequent changeovers. The design supports RoHS, UL94 V0 flammability, and REACH compliance, with IP40 protection for basic environmental sealing, ensuring safety and regulatory alignment. Integrated strain-relief and a push-pull coupling streamline installation and reduce maintenance costs, while a compact 4‑position layout fits tight control cabinets. This combination delivers reliable signal and power distribution in factory automation, robotics, and machine control networks, helping procurement teams consolidate suppliers and simplify spares management.
Product Information
Extended Description
SMS4PDH3 Eaton: Flame retardant plug with integrated strain relief hood; SMS4PDH3
Product Name
Eaton Souriau SMS series quick mating plastic rectangular connector
Catalog Number
SMS4PDH3
Product Length/Depth
57.1 mm
Product Height
16.4 mm
Product Width
23.7 mm
Product Weight
6.2 g
Environmental conditions
RoHS Flammability rating UL94 V0 Fire & Smoke REACH
Backshell type
Strain Relief
Connector accessory option
Integrated with connector
Connector type
Plug
Contact delivery
Not delivered
Contact type
Crimp
Coupling type
Push-Pull
Degree of protection
IP40
Layout
4
Plug type
Straight Plug
Shell material
Plastic
Operating temperature - max
105 °C
Operating temperature - min
-40 °C
Number Of Contacts
4
Number of cavity #16
4
Feature: Push-Pull coupling with integrated strain relief hood. Business Impact: Simplifies mating, reduces installation time, and minimizes cable movement during operation. Application: Ideal for robotic arms and conveyor systems where vibration and frequent cycles occur. Feature: 4-position, 4-contact configuration with crimp contacts. Business Impact: Maximizes space efficiency in control panels while delivering consistent electrical performance. Application: Suitable for compact motor drives and I/O blocks in automation cabinets. Feature: IP40 rating with plastic shell and UL94 V0 compliance. Business Impact: Meets basic environmental protection and flame-retardant standards, reducing risk and facilitating regulatory compliance. Application: Used in panel-mounted connectors inside machine enclosures. Feature: Backshell type Strain Relief and integrated with connector option. Business Impact: Improves cable retention and durability, lowering maintenance downtime. Application: Harsh environment lines where cable strain is a concern. Feature: Straight plug with 57.1 mm length and 23.7 mm width, weight 6.2 g. Business Impact: Compact footprint and lightweight design enable easier routing and reduced overall system weight. Application: Field installs in tight control panels and modular assemblies. Feature: 4 cavities per plug, 4 cavities total, with RoHS and REACH compliance. Business Impact: Ensures regulatory alignment across supply chains and supports sustainability goals. Application: Critical for European and global automation deployments.
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FAQs
To install SMS4PDH3, align the straight plug with the mating receptacle and engage the push-pull coupling until it seats securely. The integrated strain-relief hood protects cables from pulling forces, reducing wear. Use crimp contacts per the manufacturer’s recommended ferrule size, and verify IP40 sealing after assembly to maintain enclosure integrity.
The SMS4PDH3 provides 4 crimp contacts in a 4‑cavity configuration, with a straight plug and push-pull coupling. Overall dimensions are 57.1 mm length, 23.7 mm width, and 16.4 mm height, with a weight around 6.2 g. It carries IP40 protection and is RoHS/REACH compliant, suitable for standard automation signals and lightweight power paths.
Yes, SMS4PDH3 is designed for moderate environment exposure with IP40 protection. It carries RoHS and REACH compliance and features UL94 V0 flame retardancy, contributing to safety and regulatory adherence in factory floors, machines, and panels. For harsher environments, consider additional enclosure protection or higher IP-rated variants as needed.
Applications needing rapid field mating with reliable retention—such as robotics, automated conveyors, and programmable logic controller networks—benefit most. The push-pull mechanism accelerates changeovers, while the strain-relief hood reduces cable fatigue. The 4‑position configuration supports compact motor drive interfaces and straightforward expansion in modular automation systems.
The quick-mating feature reduces downtime during line changes and servicing, while integrated strain relief minimizes cable wear and replacement needs. Its compact footprint saves panel space and lowers material costs. Combined with RoHS/REACH compliance, these factors translate to lower total cost of ownership and improved uptime in automated production environments.