Eaton AH1224L Locking Switch - UL Recognized
Part Number: AH1224L
Quick Summary
Eaton locking switch is designed to securely control industrial circuits in control panels and machinery. This device addresses the common pain of accidental energization during maintenance by providing a reliable, hard-wired lockout that does not impede workflow. It carries UL Recognized and cULus Listed certifications, with NAFTA compliance to support cross-border procurement and documentation. For engineers and procurement teams, the AH1224L combines safety with practical installation features, including back and side wiring and a durable four-way switch design. The maintained closure and key actuator simplify lockout-tagout procedures, speeding safe commissioning and reducing the risk of unplanned downtime. In short, it delivers dependable control while aligning with typical industrial sourcing requirements.
Product Information
Extended Description
AH1224L Eaton: Eaton locking switch, #14-10 AWG, 20A, 120/277V, Back and side wiring, Key actuator, Maintained closure, Brown, Four-way, Urea
Product Name
Eaton locking switch
Catalog Number
AH1224L
UPC
032664706349
Product Length/Depth
1.31 in
Product Height
3.28 in
Product Width
1.05 in
Product Weight
0.22 lb
Compliances
NAFTA
Certifications
UL Recognized cULus Listed
Allowable wire size
#14-10 AWG
Torque rating
14 lbf-inch
Special features
Locking
Type
Switch
Amperage Rating
20A
Voltage rating
120/277 V
Application
Industrial
Wiring method
Back and side
Switch type
Four-way
Closure type
Maintained
Material
Urea
Actuator
Key
Color
Brown
Arrow Hart - Connecting Safety to Reliability since 1890
Eaton Specification Sheet - AH1224L
Eaton Specification Sheet - AH1224L
Locking mechanism with a key actuator provides guaranteed interlock. This feature prevents accidental energization during maintenance, reducing safety incidents and downtime. It is ideal for machine guards and control panels in manufacturing and packaging lines. The 20A at 120/277V rating supports reliable operation of motors and relays without oversizing, enabling safer, more predictable control in industrial environments. The four-way switch design offers flexible interlocking configurations, allowing diverse wiring schemes and easier panel layouts. Back and side wiring simplifies retrofits and new installs in constrained spaces, speeding commissioning and reducing panel downtime. Compliance with UL Recognized, cULus Listed, and NAFTA enhances supplier qualification and cross-border procurement, while the 14 AWG wire size and 14 lbf-inch torque rating ensure secure, consistent terminations. Built from durable Urea material and finished in Brown, the AH1224L withstands daily industrial use and maintains reliability in harsh environments.
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FAQs
AH1224L supports both back and side wiring, enabling flexible retrofit and new installations. To install, de-energize the panel, prepare #14-10 AWG conductors, secure wires under the appropriate terminals, and torque to 14 lbf-in to ensure a stable, code-compliant connection. The four-way design allows multiple wiring configurations, reducing the need for panel redesign. This simplifies upgrades in aging systems and helps maintain continuity during expansion projects.
The AH1224L features a torque rating of 14 lbf-in and accepts #14-10 AWG conductors. This combination ensures tight, reliable terminations essential for maintaining electrical integrity under vibration and thermal cycling typical in industrial environments. Proper torque and wire sizing minimize hot spots and contact resistance, improving longevity and reducing service calls after installation.
Yes. The AH1224L is a four-way switch with maintained closure, designed to provide versatile interlocking in complex control circuits. This makes it well-suited for multi-position control panels and safety interlocks where controlled energization paths must be securely locked in different states. Its key actuator adds another layer of security during maintenance and troubleshooting.
AH1224L carries UL Recognized and cULus Listed certifications, alongside NAFTA compliance. These credentials support safe, regulatory-compliant procurement across North America and streamline supplier qualification, labeling, and documentation. They reassure buyers that the device meets established safety standards for industrial protection and control components.
The locking feature prevents accidental energization during servicing, reducing safety incidents and unplanned downtime. The maintained closure ensures the switch remains in a fixed state until deliberately released, improving predictability of operations. Over time, these safeguards lower maintenance costs, shorten shutdown durations, and contribute to a faster return on investment through steadier production and safer work environments.