Eaton AHL520CBK Locking Connector - L5-20, NOM cULus Listed
Part Number: AHL520CBK
Quick Summary
The Eaton AHL520CBK locking connector delivers secure, back-wired power connections for industrial equipment. Engineers often contend with loose contacts, cord wear, and downtime from mismatched plug configurations. This device carries RoHS compliance and NOM cULus listing, alongside a robust L5-20 configuration for industrial panels. By combining UL compliance with rugged nylon housing and ultra grip locking, it reduces lifecycle costs and simplifies supplier coordination for procurement teams. Its back-wiring method, 20A rating, and 125V operation align with common industrial standards, making it a reliable choice for control cabinets, motor starters, and heavy equipment. With proven Arrow Hart engineering and global availability, it supports just-in-time procurement and reduces spare part inventories.
Product Information
Extended Description
AHL520CBK Eaton: Eaton Arrow Hart ultra grip locking connector, #14-8 AWG, 20A, Industrial, 125V, Back wiring, Black, Ultra grip, L5-20, Two-pole, Three-wire, Nylon
Product Name
Eaton Arrow Hart ultra grip Locking connector
Catalog Number
AHL520CBK
UPC
032664738395
Product Length/Depth
4.19 in
Product Height
2.31 in
Product Width
2.28 in
Product Weight
0.42 lb
Compliances
RoHS Compliant
Certifications
NOM cULus Listed
Special features
Ultra grip locking connector
Type
Locking connector
Amperage Rating
20A
Voltage rating
125 V
Contact material
Brass
Application
Industrial
Device grade
Extra heavy-duty industrial specification grade
Wiring method
Back
Number of wires
Grounding 3
Number Of Poles
Two-pole
Color
Black
Cord diameter
0.38-1 in (9.5 mm-25.4 mm)
Material
Nylon
Operating temperature
-40 to 60 °C (-40 to 140 °F)
Allowable wire size
#16-8 AWG
NEMA configuration
L5-20
Torque rating
For #10-14 AWG: 14-16 lbf-inch. For #8 AWG: 20 lbf-inch
Design type
Ultra grip
Face/body material
Nylon
Arrow Hart - Connecting Safety to Reliability since 1890
Eaton Specification Sheet - AHL520CBK
Eaton Specification Sheet - AHL520CBK
Feature: Ultra grip locking connector provides secure, vibration-resistant connections in demanding environments. Benefit: minimizes accidental disengagement and downtime, improving overall equipment uptime and safety. Application: ideal for welding cells, presses, and heavy machinery where reliability is critical. Feature: Back wiring with a 0.38-1 inch cord diameter supports flexible, fast field terminations. Benefit: simplifies installation and reduces field wiring errors, lowering labor time on equipment upgrades. Application: control panels and power distribution racks. Feature: Nylon body and brass contacts offer robust durability and corrosion resistance. Benefit: longer service life in harsh industrial conditions and reduced maintenance costs. Application: harsh factories, outdoor enclosures, and wet or dusty environments. Feature: Two-pole, three-wire configuration (L5-20) rated at 20A and 125V. Benefit: standardizes power connections across multiple machines, improving compatibility and stocking efficiency. Application: industrial motors, control devices, and portable power tools. Feature: Torque ratings tuned for #10-14 AWG and #8 AWG wiring ensure consistent performance. Benefit: ensures reliable connections and prevents over-tightening or under-tightening incidents. Application: field installations and panel terminations. Feature: RoHS compliant and NOM cULus Listed certifications provide regulatory assurance. Benefit: reduces compliance risk and supports safety audits in regulated environments. Application: manufacturing floors, automotive, and process industries. Feature: NEMA L5-20 compatibility and back-wiring capability simplify upgrade paths. Benefit: seamless integration with existing systems and minimal rework. Application: retrofits and new builds needing standardized locking connectors. Feature: Compact nylon housing with a 4.19 in length, 2.31 in height, and 2.28 in width. Benefit: easy installation in tight panels and enclosures with minimal clearance. Application: electrical control boxes and equipment cabinetry.
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FAQs
The AHL520CBK supports back wiring with allowable wire sizes of #16-8 AWG and a cord diameter range of 0.38-1 inch. It is a two-pole, three-wire L5-20 configuration designed for 20A at 125V, enabling secure terminations in control panels and industrial equipment. For best results, follow the torque guidelines: 14-16 in-lbf for #10-14 AWG and 20 in-lbf for #8 AWG.
The connector is rated for 20A at 125V and uses brass contacts within a nylon body. It features a two-pole, three-wire configuration (L5-20) with back-wiring method. Operating temperature ranges from -40 to 60 °C (-40 to 140 °F), supporting industrial applications that require reliability under temperature variation and vibration.
Yes. The AHL520CBK is specifically designed for L5-20 industrial power connections, providing secure, locking connections suitable for control panels, motors, and other powered equipment. Its ultra grip mechanism, nylon housing, and rigid brass contacts are optimized for industrial environments where disconnections can cause downtime and safety concerns.
The AHL520CBK is RoHS compliant and NOM cULus Listed, which supports regulatory compliance in many global markets and helps with safety and quality audits. This combination is advantageous for manufacturers aiming to meet environmental and electrical safety standards on the plant floor.
Using the AHL520CBK can reduce maintenance downtime through a more secure locking connection that resists vibrational loosening. Its durable nylon body and brass contacts extend service life, lowering replacement costs. Standardized L5-20 compatibility simplifies stocking and procurement, contributing to faster repairs and a lower total cost of ownership over time.