Eaton 25W34BK Watertight Locking Connector - cULus Listed
Part Number: 25W34BK
Quick Summary
The Eaton Arrow Hart watertight locking connector 25W34BK provides rugged power connections for industrial equipment in harsh environments. End users often face moisture ingress, corrosion, and wiring compatibility challenges that lead to downtime and costly maintenance. With cULus listing, IP67 protection, and NEMA 4/6X/6P environmental ratings, this connector helps ensure regulatory compliance and reliable service. Its locking mechanism and back-wire capability streamline installation, reduce field wiring errors, and improve overall equipment reliability in manufacturing, utilities, and outdoor installations. The design also supports quick, tool-free field connections and long service life in demanding environments. This translates into lower maintenance costs and improved uptime for critical equipment.
Product Information
Extended Description
25W34BK Eaton: Eaton Arrow Hart watertight locking connector, #18-10 AWG, 15A, Industrial, 277V, Back wiring, Black, Watertight, L7-15, Two-pole, Three-wire, grounding, Santoprene thermoplastic elastomeric, 0.3 to 0.65 in
Product Name
Eaton Arrow Hart watertight locking connector
Catalog Number
25W34BK
UPC
032664708411
Product Length/Depth
1.78 in
Product Height
5.89 in
Product Width
3.55 in
Product Weight
0.35 lb
Certifications
cULus Listed
Amperage Rating
15A
NEMA configuration
L7-15
Number Of Poles
Two-pole
Number of wires
Grounding 3
Torque rating
14 lbf-inch
Voltage rating
277 V
Environmental resistance
NEMA 4 NEMA 6 NEMA 4X NEMA 6P IP67
Allowable wire size
#18-10 AWG
Wiring method
Back
Color
Black
Contact material
Nickel plated brass
Application
Industrial
Cord diameter
0.3-0.65 in
Design type
Watertight locking connector
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene thermoplastic elastomeric
Special features
Watertight
Type
Locking connector
Feature: Watertight sealing combined with IP67/NEMA 4/6X/6P protection provides high resistance against moisture, dust, and washdown environments. Business Impact: Significantly reduces corrosion and ingress-related failures, extending service life and decreasing unplanned downtime. Application: Outdoor machinery enclosures, outdoor motors, and washdown-constrained control panels. Feature: Back wiring with #18-10 AWG support and nickel-plated brass contacts. Business Impact: Speeds up installation, simplifies field wiring, and improves connection reliability, lowering labor costs and commissioning time. Application: Field connections in rugged industrial panels and temporary installations. Feature: NEMA L7-15, two-pole, three-wire with grounding at 277V. Business Impact: Ensures correct mating geometry and safe grounding for high-leg or 277V circuits, reducing mis-wiring risk and equipment damage. Application: Industrial motors and equipment in 277V DC/AC environments. Feature: Santoprene elastomeric seal, nylon face/body, and 14 lbf-inch torque rating. Business Impact: Durable, chemical-resistant enclosure with repeatable, secure mating; supports consistent field performance and lower rework rates. Application: Harsh production lines and outdoor installations where mechanical stress is common. Feature: Extra heavy-duty industrial specification grade and cULus listed with broad environmental ratings. Business Impact: Meets stringent industry standards, enabling compliance across facilities and international sites while supporting scalable deployments. Application: Large-scale industrial facilities, utilities, and equipment manufacturers seeking robust power connectivity.
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FAQs
To install the 25W34BK, prepare #18-10 AWG conductors and back-wire the terminals according to the wiring diagram. Tighten to 14 lbf-in torque on the contacts, ensure proper grounding, and verify a watertight seal with the Santoprene gasket. Confirm compatibility with 277V circuits and the L7-15 configuration to prevent mis-mating. Use the nylon body for rugged environments and test the connection under tension to ensure it remains secure in operation.
The 25W34BK is rated for 15A at 277V and uses a two-pole, three-wire L7-15 configuration with grounding. It carries IP67 environmental protection and NEMA 4/6/4X/6P ratings, ensuring resistance to dust, water ingress, and washdown conditions typical in industrial facilities. This combination supports reliable operation in outdoor or damp environments.
Yes. Its IP67 protection, NEMA 4/6X/6P ratings, and watertight locking design make it well-suited for outdoor motors and control panels exposed to moisture, dust, or washdown processes. The back-wiring feature simplifies field connections, and the locking mechanism provides secure mating to minimize vibration-induced disconnections in rugged installations.
The 25W34BK is cULus Listed and designed to withstand harsh environments with IP67 and NEMA ratings (4/6/4X/6P). These certifications support regulatory compliance across North American facilities and align with industrial safety requirements for durable locking connectors used in demanding applications.
The watertight design minimizes moisture ingress and corrosion, reducing frequent repairs and replacements. This translates to lower maintenance costs and higher uptime for critical equipment. The robust materials (nylon body, Santoprene seal, nickel-plated brass contacts) also endure demanding environments, extending service life and delivering a favorable total cost of ownership for industrial buyers.