Eaton UTS78D3AS Receptacle - IP68/69k, 1/3 Bayonet
Part Number: UTS78D3AS
Quick Summary
Eaton UTS78D3AS Receptacle is a plastic waterproof connector designed for IP68/69k protection in harsh industrial environments. Engineers often battle moisture ingress, corrosion, and costly field repairs; this jam-nut receptacle with three PCB contacts offers a compact, sealed path for reliable connections. Compliances include IEC 61984, UL 1977, CSA-C22.2 No.182.3, and ROHS exemption 6.c, supporting global certification programs and safer product lifecycle. With bayonet 1/3 coupling, a 3-contact layout, and gold-plated PCB contacts, it enables straightforward installation in tight panels while reducing maintenance. Designed for automation, robotics, and outdoor machinery, it helps OEMs improve uptime, simplify spares, and meet rugged IP68/69k requirements.
Product Information
Extended Description
UTS78D3AS Eaton: Plastic jam nut receptacle, without backshell, with 3 female PCB contacts, IP68/69K in unmated conditions; UTS78D3AS
Product Name
Eaton Souriau UTS series plastic waterproof IP68/69k connector
Catalog Number
UTS78D3AS
Product Length/Depth
25.3 mm
Product Height
24 mm
Product Width
24 mm
Product Weight
7.7 g
Compliances
IEC 61984 (please contact us for more details) UL 1977 (please contact us for more details) ROHS exemption 6.c CSA-C22.2 No.182.3 (please contact us for more details)
Current rating
7 A UL 7 A IEC
Environmental conditions
RoHS Flammability rating UL94 HB REACH
Environmental resistance
Resistant against gasoline Resistant against basic bath Resistant against mineral oil Vibrations level Per IEC 60512-4 - from 10 to 2000 Hz Resistant against oil UV resistant, no degradation after 5 years of exposure in natural environment Resistant against acid bath
Test current
7 A CSA 7 A UL 7 A IEC
Test voltage
250 V CSA 250 V UL 50 V IEC
Connector accessory option
No backshell possibility
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact plating
Gold
Contact type
PCB
Coupling type
1/3 Bayonet
Degree of protection
IP68
Insert material
Neoprene
Layout
D3A
Shell material
Plastic
Shell size
8
Mating cycles
250
Operating temperature - max
105 °C
Operating temperature - min
-40 °C
Receptacle type
Jam Nut Receptacle
Number Of Contacts
3
Number of cavity #20
3
Nut material
Aluminium
Salt spray
500 hour
Feature IP68/69k waterproof sealing provides reliable protection against moisture and dust, reducing field failure rates and warranty costs. Business Impact This translates to improved equipment uptime, lower maintenance frequency, and longer service life in harsh environments. Application Use in rugged machinery, outdoor automation, and conveyance systems to sustain performance under washdown and exposure to contaminants. Feature Jam Nut Receptacle design simplifies panel installation and sealing without backshell complexity, decreasing assembly time and material cost. Business Impact Faster, leak-free installations reduce rework and service calls, delivering a lower total cost of ownership. Application Suitable for compact panel layouts in automation line equipment where space is constrained. Feature 3 PCB contacts with gold plating and Neoprene insert ensures low contact resistance and robust electrical performance, supporting consistent signal integrity and power delivery. Business Impact Enhances reliability, reduces contact resistance drift, and extends lifecycle in vibration-rich environments. Application Best for PCB-driven sensors and control interfaces in industrial gear, where high mating cycles and IP protection are critical. Feature 1/3 Bayonet coupling provides quick, secure mating and unmating, improving technician efficiency in the field. Business Impact Minimizes downtime during maintenance windows and ensures repeatable connections. Application Ideal for OEMs seeking standardized Souriau UTS segments for automation equipment, with proven 250 mating cycles and 7 A current rating to meet typical control panel needs.
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FAQs
The UTS78D3AS uses a jam-nut receptacle design with no backshell; mount through a panel cutout sized for the shell and tighten the jam nut to seal. With 3 PCB contact sockets, ensure proper alignment and soldering of gold-plated contacts to minimize resistance. The orientation is N, and the 25.3 mm length plus 24 mm width/height fit compact panels in automation equipment.
Yes. It achieves IP68 protection and 69k unmated sealing, making it resistant to moisture, dust, and immersion in harsh environments. The insert uses neoprene material, and the assembly is UV resistant with salt spray endurance, ensuring reliability in outdoor automation, conveyors, and maritime equipment.
The connector aligns with IEC 61984 and UL 1977 standards, plus CSA-C22.2 No.182.3, with ROHS exemption 6.c. This broad compliance supports global product approvals, supplier qualification, and end-user regulatory requirements for industrial and machinery applications.
This receptacle provides 7 A current rating per UL/IEC, with a test current of 7 A and test voltage up to 250 V (CSA/UL) and 50 V IEC. It uses gold-plated PCB contacts for reliable signal and power transfer, and a 1/3 Bayonet coupling ensures secure mating in vibration-prone environments.
Ideal for industrial automation, robotics, outdoor machinery, and equipment subject to washdown or exposure to oils and UV light. Its rugged IP68/69k sealing, 3-contact PCB layout, and compact jam-nut receptacle form factor support efficient, moisture-resistant control panel connections with long-term maintenance cost savings.