Eaton AHMC260L-3 Manual Motor Controller - NEMA 3R
Part Number: AHMC260L-3
Quick Summary
Eaton AHMC260L-3 manual motor controller is a rugged device that safely starts and stops two-pole, single-phase motors in industrial panels. For installers and maintenance teams, cramped wiring, mixed terminations, and unreliable contacts often cause downtime. This unit is cULus Listed, NAFTA compliant, and housed in a NEMA 3R copperless aluminum enclosure for versatile indoor and outdoor use. Its side-wired box lug terminals and 60A rating at 600V simplify field wiring, while the durable construction supports long service life. Designed for industrial applications, it pairs well with #14-4 AWG wiring and standard toggle control for fast deployment.
Product Information
Extended Description
AHMC260L-3 Eaton: Eaton manual motor controller, #14-4 AWG, 60A, Panel, 600V, Side wired box lug, Maintained contact, Gray, NEMA 3R, Enclosure: Copperless aluminum, Two-pole, Single-phase, Toggle, Copper-alloy terminal, Single-throw, Glass-filled nylon
Product Name
Eaton manual motor controller
Catalog Number
AHMC260L-3
UPC
040893654041
Product Length/Depth
9.1 in
Product Height
5.8 in
Product Width
7.1 in
Product Weight
3.7 lb
Compliances
NAFTA
Certifications
cULus Listed
Enclosure
NEMA 3R
Type
Manual motor controller
Amperage Rating
60A
Voltage rating
600 V
Number Of Poles
Two-pole
Phase
Single-phase
Enclosure material
Copperless aluminum
Application
Industrial
Device grade
Industrial
Wiring method
Side wired box lug
Contact type
Maintained
NEMA Rating
3R
Switch type
Toggle switch
Mounting method
Panel
Closure type
Maintained
Number of positions
2
Allowable wire size
#14-4 AWG
Material
Glass-filled nylon
Termination style
Side wired box lug
Throw
Single-throw
Terminals
Copper-alloy, brass screw
Color
Gray
Feature: 60 A, 600 V rating → Business Impact: Manages demanding motor loads with confidence, reducing overload events and unplanned stops. Application: Industrial conveyors and pumps operating in utility or process settings. The AHMC260L-3’s single-phase, two-pole design aligns with typical plant floor motors, improving control reliability. Feature: NEMA 3R enclosure with copperless aluminum → Business Impact: Offers corrosion resistance and outdoor suitability while keeping weight down, lowering installation and maintenance costs. Application: Outdoor panels, washdown zones, or damp environments where enclosure integrity matters. Feature: Side wired box lug termination with #14-4 AWG → Business Impact: Faster wiring, fewer field wiring errors, and easier maintenance. Application: Panel assemblies in automotive, packaging, or material handling lines. Feature: Maintained contact with toggle switch → Business Impact: Predictable actuation and longer contact life under abrasive dust and vibration. Application: Continuous operation in factory automation lines. Feature: Copper-alloy terminals and glass-filled nylon body → Business Impact: Robust, vibration-resistant connections with reduced wear. Application: High-use control stations across general industrial automation.
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FAQs
Begin by mounting the unit in a suitable panel cavity per NEMA 3R requirements. Prepare #14-4 AWG conductors and insert them into the side wired box lug terminals, tightening brass screws to manufacturer torque specifications. Ensure the enclosure remains closed and secured to protect against dust and moisture, and verify polarity and wiring integrity before energizing. The maintained contact design supports long-term reliability in busy control panels.
AHMC260L-3 is designed for industrial duty with a 60A amperage rating and 600V voltage rating, appropriate for common single-phase, two-pole motors in manufacturing and processing environments. The device uses copper-alloy terminals and a maintained contact arrangement to ensure stable operation under load, while the 2-position toggle switch provides clear on/off control for routine maintenance and emergency stops when integrated with a larger control scheme.
Ideal for industrial machinery in manufacturing lines, conveyors, pumps, and general purpose equipment that require simple manual motor control. The rugged copperless aluminum enclosure (NEMA 3R) suits both indoor and outdoor installations, and the side wiring method accelerates panel assembly in automotive, packaging, and material handling sectors, contributing to reduced installation time.
This controller is cULus Listed and NAFTA compliant, with a NEMA 3R enclosure suited for moderate outdoor exposure. These certifications support safer integration in North American facilities and help ensure regulatory alignment for commercial and industrial electrical installations.
Maintained contact designs and robust construction minimize wear and maintenance intervals, reducing downtime and service costs. The unit’s lightweight copperless aluminum enclosure and straightforward wiring contribute to faster installations and easier replacements, delivering a favorable total cost of ownership for plants aiming to improve reliability and uptime across motor-driven processes.