Eaton SA540 Plug - 15A 125V, cULus Listed Industrial
Part Number: SA540
Quick Summary
The Eaton SA540 Plug is a polarized, straight-blade connector designed for industrial equipment power circuits. It simplifies panel wiring with back-wire termination and a compact thermoplastic body, helping technicians achieve quick, reliable installations. For engineers scrambling with space constraints and inconsistent terminations, this plug offers predictable connectivity and durable performance. It is cULus Listed under Federal Specification 6221 02, supporting safety-conscious procurement, and aligns with a NEMA 1-15P configuration for common US tools and appliances. With brass contacts and a 0.33 inch cord range, it delivers a robust current path. The core-pack packaging also reduces handling steps in high-mix assembly lines, boosting throughput and consistency in manufacturing environments.
Product Information
Extended Description
SA540 Eaton: Eaton straight blade plug , #16 AWG, 15A, Industrial, 125V, Back wire, Black, Brass, Impact-resistant thermoplastic, 1-15P, Two-pole, two-wire, Screw, 0.33" in diameter, Thermoplastic, Core pack
Product Name
Eaton straight blade plug
Catalog Number
SA540
UPC
052757540209
Product Length/Depth
1.37 in
Product Height
1.16 in
Product Width
0.75 in
Product Weight
0.055 lb
Certifications
cULus Listed Federal Specification Classification 6221 02
Device type
Plug
Special features
PolarizedNon-grounding
Type
Plug
Amperage Rating
15A
Voltage rating
125V
Contact material
Brass
Features
Polarized Non-grounding
Application
Industrial
Device grade
Standard grade
Wiring method
Back wire
Number of wires
2
Number Of Poles
Two-pole
Style type
Straight body
Cord range
0.33" in diameter
Material
Thermoplastic
Packaging type
Core pack
Color
Black
Connection type
Screw
Allowable wire size
#16 AWG
NEMA configuration
1-15P
Torque rating
14 lbf-inch
Design type
Straight blade
Face/body material
Impact-resistant thermoplastic
Receptacle type
Two-pole, two-wire
Residential Buyers Guide B-53
Commercial and residential straight blade vinyl receptacles
Eaton Specification Sheet - SA540
Feature: Polarized, non-grounding straight blade design enhances safety by preventing reverse connections and ensuring correct orientation during mating. Business Impact: reduces mis-wiring risks and downtime, improving overall equipment reliability in industrial controls. Application: control panels and power receptacles in manufacturing lines. Feature: 15A at 125V rating supports typical US power standards for portable tools and small motors. Business Impact: enables standardized electrical schematics and reduces the need for multiple part numbers. Application: tool stations and machinery feeds where 125V is the norm. Feature: Back-wire termination with support for #16 AWG wires enables faster field wiring. Business Impact: cuts install time and improves conductor pull-test results, lowering labor costs. Application: panel wiring and field terminations in conveyors and automation cabinets. Feature: Brass contact material provides low resistance and durable current paths. Business Impact: longer life under frequent insertions and removals, minimizing contact wear in high-cycle environments. Application: critical power connections in production lines. Feature: Impact-resistant thermoplastic body offers ruggedness in industrial settings. Business Impact: withstands drops and tool vibrations, reducing rework and warranty returns. Application: harsh factory floors and equipment housings. Feature: Core-pack packaging reduces handling steps and improves shipping efficiency. Business Impact: lowers material handling time and inventory footprint. Application: distribution and warehousing logistics for Eaton wiring devices. Feature: NEMA configuration 1-15P compatibility with polarized design supports plug-and-play integration in standard circuits. Business Impact: simplifies procurement and installation planning, reducing design risk. Application: general purpose plug receptacles across industrial facilities. Feature: Torque rating of 14 lbf-in ensures proper screw engagement and secure connections. Business Impact: prevents loose terminations and intermittent faults, saving maintenance time. Application: field wiring in control panels and equipment enclosures.
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FAQs
The SA540 supports back-wire termination suitable for #16 AWG conductors, enabling clean, secure connections in limited spaces. With a 0.33 inch cord diameter and a 14 lbf-inch torque rating, it offers reliable clamping and consistent electrical contact, reducing installation time and post-installation faults in control panels and industrial equipment.
Yes. The SA540 is designed as a two-pole, two-wire polarized plug that pairs with NEMA 1-15P receptacles. This configuration supports standard US 125V circuits, providing predictable performance for light industrial tools and equipment while minimizing mis-wiring risks.
The SA540 is cULus Listed under Federal Specification 6221 02, signaling compliance with stringent safety and performance standards. This certification supports regulatory acceptance in many industries and simplifies vendor qualification during procurement for industrial automation projects.
The SA540 is ideal for control panels, power tool stations, and small-motor feeds that operate at 125V and 15A. Its polarized design, back-wire capability, and durable thermoplastic body make it suitable for harsh factory environments, where dependable, repeatable connections are critical to uptime.
By delivering secure back-wire terminations, brass contact reliability, and a robust thermoplastic body, the SA540 minimizes connection-related faults and reduces rework. Its standardized 15A/125V rating aligns with common power circuits, helping shorten commissioning time and lower lifecycle maintenance costs in automated lines.