Eaton SMS3RDH3 SMS series plastic connector - IP40
Part Number: SMS3RDH3
Quick Summary
SMS3RDH3 is a quick-mating plastic rectangular connector for efficient wiring in industrial control panels. Engineers often confront bulky, fragile assemblies that slow installation and risk field failures; this compact receptacle with an integrated strain relief hood addresses those challenges. It complies with RoHS, UL94 V0 flammability, and REACH, while IP40 protection helps manage dust exposure in typical factory environments. With a 49.2 mm length, 16.2 mm width, and 9.9 mm height, plus a 3-position layout and push-pull coupling, the SMS3RDH3 reduces cabling footprint and simplifies maintenance across automation lines.
Product Information
Extended Description
SMS3RDH3 Eaton: Flame retardant receptacle with integrated strain relief hood; SMS3RDH3
Product Name
Eaton Souriau SMS series quick mating plastic rectangular connector
Catalog Number
SMS3RDH3
Product Length/Depth
49.2 mm
Product Height
9.9 mm
Product Width
16.2 mm
Product Weight
3.5 g
Environmental conditions
RoHS Flammability rating UL94 V0 Fire & Smoke REACH
Backshell type
Strain Relief
Connector accessory option
Integrated with connector
Connector type
Receptacle
Contact delivery
Not delivered
Contact type
Crimp
Coupling type
Push-Pull
Degree of protection
IP40
Layout
3
Shell material
Plastic
Operating temperature - max
105 °C
Operating temperature - min
-40 °C
Receptacle type
Free Hanging
Number Of Contacts
3
Number of cavity #16
3
Feature: 3-position receptacle with 3 crimp contacts and a free-hanging receptacle design. Business Impact: Enables compact routing and robust termination, reducing assembly time and cabling errors in panel wiring. Application: Suitable for space-constrained control cabinets and machine backplanes. Feature: Integrated strain relief hood. Business Impact: Minimizes cable movement and wear, extending connector life and lowering maintenance costs. Application: High-vibration environments such as packaging lines and robotic stations. Feature: Push-Pull coupling. Business Impact: Quick, secure mating and release reduces downtime during maintenance and reconfiguration. Application: Conveyor systems and automated hands where frequent field servicing occurs. Feature: IP40, flame-retardant plastic shell. Business Impact: Provides baseline environmental protection and compliance with safety standards without added enclosure complexity. Application: General automation, control panels, and equipment exposed to limited dust. Feature: Lightweight design at 3.5 g and 49.2 mm length. Business Impact: Reduces overall system weight and footprint, enabling tighter layouts and energy-efficient installations. Application: Mobile machinery, compact robotics, and space-limited panels. Feature: 3 contacts with crimp delivery. Business Impact: Fast termination with reliable electrical performance, supporting consistent signal and power integrity. Application: Control wiring in automation cabinets and peripheral devices.
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FAQs
To install the SMS3RDH3, select the correct crimp contacts for the conductor size, insert conductors into the receptacle crimp terminals, and crimp firmly to specification. Attach the integrated strain relief hood before mating with the mate half, then engage the push-pull coupling. Verify continuity and inspect for secure engagement to prevent vibration-induced loosening.
The SMS3RDH3 features a 3-position receptacle, three crimp contacts, a 49.2 mm length, 16.2 mm width, and a 9.9 mm height. It uses a push-pull coupling and provides IP40 protection with a plastic shell. These specs support compact installation, reliable mating under vibration, and predictable performance in standard automation environments.
SMS3RDH3 offers IP40 protection and a flame-retardant UL94 V0 plastic shell, with RoHS and REACH compliance. While adequate for many factory applications, it is not fully sealed against liquids or heavy dust. For harsher environments, consider enclosure-based protection or additional sealing solutions alongside proper cable management.
SMS3RDH3 complies with RoHS and REACH requirements and carries UL94 V0 flammability rating, supporting safe operation in regulated environments. While it provides essential safety and environmental compliance, verify any customer-specific standards (CE, SIL) relevant to your deployment when integrating into certified systems.
The integrated strain relief and quick mating push-pull design reduce installation time and maintenance downtime. The lightweight 3.5 g mass and compact footprint enable denser panel layouts, lowering materials and labor costs while improving reliability by minimizing cable strain and potential connection failures.