Eaton UTS78D3AS32 Plastic Waterproof Connector - IP68/69k
Part Number: UTS78D3AS32
Quick Summary
The Eaton UTS78D3AS32 plastic waterproof IP68/69k receptacle connector is designed for rugged, weatherproof PCB and harness connections. Engineers often struggle to maintain reliable seals and corrosion resistance in harsh industrial environments, where ingress protection and long-term reliability are critical. This UTS series part delivers IP68/69k protection along with UL 1977, IEC 61984, CSA-C22.2 No.182.3 and RoHS exemption 6.c compliance to meet regulatory and safety needs. In practice, it supports a compact 3-contact PCB layout with a 1/3 bayonet coupling, offering dependable performance for industrial equipment, control panels, and field installations while keeping installation simple and cost-effective.
Product Information
Extended Description
UTS78D3AS32 Eaton: Plastic jam nut receptacle & hold down clips,without backshell, with 3 female PCB contacts, IP68/69K in unmated conditions; UTS78D3AS32
Product Name
Eaton Souriau UTS series plastic waterproof IP68/69k connector
Catalog Number
UTS78D3AS32
Product Length/Depth
25.3 mm
Product Height
24 mm
Product Width
24 mm
Product Weight
7.7 g
Compliances
CSA-C22.2 No.182.3 (please contact us for more details) IEC 61984 (please contact us for more details) ROHS exemption 6.c UL 1977 (please contact us for more details)
Current rating
7 A UL 7 A IEC
Environmental conditions
Flammability rating UL94 HB RoHS REACH
Environmental resistance
UV resistant, no degradation after 5 years of exposure in natural environment Resistant against mineral oil Resistant against acid bath Resistant against gasoline Resistant against basic bath Vibrations level Per IEC 60512-4 - from 10 to 2000 Hz Resistant against oil
Test current
7 A UL 7 A IEC 7 A CSA
Test voltage
50 V IEC 250 V CSA 250 V UL
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 protection and environmental resistance. Business Impact: Minimized downtime from dust, water, or oil ingress, enabling reliable performance in outdoor and washdown environments. Application: Outdoor equipment, agricultural controls, and Marine/industrial installations. Feature: 3 PCB contacts with gold plating. Business Impact: Low contact resistance and improved corrosion resistance extend connector life and signal integrity in tight spaces. Application: PCB-mounted sensor interfaces and control circuits within compact assemblies. Feature: 7 A current rating and 50–250 V ratings. Business Impact: Supports common control and sensing loads with safe voltage margins, reducing the need for oversized housings. Application: Industrial automation panels and machine interfaces. Feature: 1/3 Bayonet coupling and jam nut receptacle. Business Impact: Quick, secure mating without backshell, lowering installation time and material cost. Application: Receptacle mounting in confined assemblies where backshell options are unnecessary. Feature: Operating temperature range -40 to 105 °C. Business Impact: Maintains performance across extreme climates and thermal cycles, improving equipment uptime. Application: Harsh plant floors, outdoors, and equipment near heated processes. Feature: 250 mating cycles and durable materials (Plastic shell, Aluminium nut). Business Impact: Long usable life with repeatable connections in maintenance cycles, reducing replacement frequency. Application: Field serviceable equipment and control modules in demanding environments.
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FAQs
The UTS78D3AS32 is a jam Nut Receptacle with a no backshell option and a 1/3 Bayonet coupling. Plan mounting with an aluminium nut and ensure mating alignment in the N orientation. The compact 25.3 mm length and 24 mm width fit tight panel spaces while maintaining IP68 sealing.
Yes. It uses 3 PCB contacts with gold plating for reliable signal transfer. The contact type is PCB with a loaded contact delivery, designed for compact assemblies. The 7 A current rating supports common control circuits while preserving low contact resistance in rugged environments.
The connector provides IP68 sealing and is compliant with UL 1977, IEC 61984, CSA-C22.2 No.182.3, and RoHS exemption 6.c, ensuring regulatory alignment for industrial automation projects and equipment destined for hazardous locations or outdoor exposure.
It carries a 7 A current rating with test current 7 A and test voltages of 50 V IEC and 250 V CSA/UL. It supports 250 mating cycles, operates from -40 to 105 °C, and uses gold-plated PCB contacts to maintain performance under vibration and thermal cycling.
No backshell option is available for this model. It is designed as a jam nut receptacle with 1/3 Bayonet coupling, which simplifies installation in space-constrained panels and helps reduce overall assembly cost.