Eaton SA399W Straight Blade Plug - UL 6221
Part Number: SA399W
Quick Summary
SA399W straight blade plug delivers reliable 15A, 125V power connections for industrial equipment. For installers, back-wire compatibility and secure terminations can slow projects; the SA399W simplifies wiring with a spring-action mechanism. UL Federal Specification Classification 6221 02 compliance ensures safety, along with standard-grade durability for rugged environments. This model offers a durable thermoplastic body and brass contacts, delivering robust performance while reducing installation time for panel builders and maintenance teams, especially in industrial receptacle applications.
Product Information
Extended Description
SA399W Eaton: Eaton straight blade plug , #14 AWG, 15A, Industrial, 125V, Back wire, White, Brass, Impact-resistant thermoplastic, 5-15P, Two-pole, three-wire, Screw, 0.33" in diameter, Thermoplastic, Core pack
Product Name
Eaton straight blade plug
Catalog Number
SA399W
UPC
052757399401
Product Length/Depth
1.56 in
Product Height
1.08 in
Product Width
1.08 in
Product Weight
0.055 lb
Certifications
UL Federal Specification Classification 6221 02
Device type
Plug
Special features
Spring action
Type
Plug
Amperage Rating
15A
Voltage rating
125V
Contact material
Brass
Features
Spring action
Application
Industrial
Device grade
Standard grade
Wiring method
Back wire
Number of wires
3
Number Of Poles
Two-pole
Style type
Straight body
Cord range
0.33" in diameter
Material
Thermoplastic
Packaging type
Core pack
Color
White
Connection type
Screw
Allowable wire size
#14 AWG
NEMA configuration
5-15P
Torque rating
14 lbf-inch
Design type
Straight blade
Face/body material
Impact-resistant thermoplastic
Receptacle type
Two-pole, three-wire
Residential Buyers Guide B-53
Commercial and residential straight blade vinyl receptacles
Eaton Specification Sheet - SA399W
Feature: Amperage and voltage specifications of 15A at 125V. Benefit: Supports common US cords and equipment loads, enabling quick, compliant connections in control panels and industrial cabinets. Application: Ideal for NEMA 5-15P based equipment and power strips used in manufacturing settings. Feature: Spring-action wiring improves termination speed and consistency. Benefit: Reduces installer effort and post-installation failure, improving installation throughput and reliability in vibration-prone environments. Application: Industrial machinery wiring where secure, repeatable terminations matter. Feature: Brass contact material with impact-resistant thermoplastic body. Benefit: Higher conductivity, better corrosion resistance, and durable housing for long service life. Application: Frequent plug-in/out cycles in harsh manufacturing floors. Feature: Back-wire method supporting #14 AWG conductors with a 14 lbf-in torque rating. Benefit: Fast, code-compliant terminations with consistent torque, reducing rework. Application: Panel-mounted receptacles and equipment wiring. Feature: Cord range of 0.33 in diameter and color white with core-pack packaging. Benefit: Broad cord compatibility and easy inventory management for installers. Application: Stocked in distribution and OEM environments for quick deployment.
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FAQs
The SA399W uses a back-wire connection compatible with #14 AWG conductors. It features a three-wire, two-pole configuration (5-15P) and a 14 in-lbf torque rating to ensure a secure, code-compliant termination suitable for industrial equipment and control panels.
It is rated for 15A at 125V with brass contacts and an impact-resistant thermoplastic body. The 0.33 inch cord range and spring-action feature yield fast, reliable terminations with consistent torque, improving performance in vibration-prone environments and reducing contact resistance over time.
Yes. With NEMA 5-15P compatibility, back-wire wiring, and rugged construction, the SA399W is well-suited for control panels, power distribution blocks, and industrial machines that require dependable 125V connections and straightforward installation.
SA399W is certified to UL Federal Specification Classification 6221 02, ensuring safety, reliability, and compliance with established electrical standards for industrial receptacles and plugs used in commercial and manufacturing settings.
The spring-action termination, back-wire compatibility, and durable thermoplastic design reduce installation time and maintenance costs. This translates to faster wiring, fewer reworks, and longer service life in high-use environments, delivering a favorable total cost of ownership for panel builders and maintenance teams.