Eaton AHMC340L-1 Manual Motor Controller - cULus Listed
Part Number: AHMC340L-1
Quick Summary
Eaton manual motor controller AHMC340L-1 provides simple, reliable control for three-phase motors in industrial panels. Wiring complexity and panel downtime are common pain points, especially when replacing legacy starters in compact spaces. This unit is cULus Listed and NAFTA compliant, with a NEMA Type 1 stainless-steel enclosure that protects against indoor dust and incidental moisture in typical plant environments. The side-wired box lug terminals and copper-alloy conductors simplify wiring, reducing installation time and field errors. For industrial motor control, a panel-mounted solution like this supports improved uptime, quicker maintenance, and scalable three-phase drive applications, delivering consistent performance and cost-effective operation across manufacturing lines.
Product Information
Extended Description
AHMC340L-1 Eaton: Eaton manual motor controller, #14-4 AWG, 40A, Industrial, Panel, 600V, Side wire box lug, Maintained contact, Gray, NEMA Type 1, Enclosure: SS, Three-pole, Three-phase, Toggle switch, Copper-alloy terminal, Single-throw, Glass-filled nylon
Product Name
Eaton manual motor controller
Catalog Number
AHMC340L-1
UPC
040893653938
Product Length/Depth
4.67 in
Product Height
4.42 in
Product Width
2.63 in
Product Weight
1.63 lb
Compliances
NAFTA
Certifications
cULus Listed
Enclosure
NEMA 1
Type
Manual motor controller
Amperage Rating
40A
Voltage rating
600 V
Number Of Poles
Three-pole
Phase
Three-phase
Enclosure material
Stainless steel
Application
Industrial
Device grade
Industrial
Wiring method
Side wired box lug
Contact type
Maintained
NEMA Rating
1
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
40A at 600V capability is a core feature, enabling direct control of most standard three-phase motors without an external starter. The business impact is lower installed cost and faster panel wiring, reducing commissioning time and field errors. This combination is well-suited for industrial environments where reliable motor control is essential for manufacturing lines and process equipment. The compact footprint and durable construction support repeatable performance across shifts and crews. In addition, compatibility with common control wiring sizes, such as #14-4 AWG, minimizes the need for rewiring during upgrades. With three-pole, three-phase operation and maintained contact, start-stop sequences are predictable and safe. The design reduces risk of unexpected motor starts and eases integration with existing control logic, even in upgrade projects. Designed for panel mounting, AHMC340L-1 integrates cleanly into control enclosures while meeting common industrial standards. The toggle switch provides clear tactile feedback and simple operation, helping operators avoid mis-positions during routine maintenance. This configuration supports reliable motor control in conveyors, pumps, fans, and other automated equipment. An indoor-rated NEMA 1 stainless-steel enclosure provides rugged protection against dust and incidental moisture. The side-wired box lug termination and copper-alloy terminals simplify field wiring and ensure secure torqueing under vibration conditions. These features translate into faster commissioning, lower rework, and improved reliability in busy production environments. The stainless-steel enclosure also offers long-lasting durability in factory floors and machine shops, reducing maintenance intervals and part replacement needs. Glass-filled nylon components contribute to durability inside a compact package, while the enclosure's stainless steel body resists corrosion in typical plant environments. The 2-position, single-throw operation delivers straightforward start/stop control with clear visual feedback. This unit ships with cULus listing and NAFTA compliance, streamlining procurement and regulatory audits for North American operations. Side wiring and copper-alloy terminals with brass screws improve electrical integrity and serviceability, supporting quicker field terminations and easier fault tracing. Overall, AHMC340L-1 offers an industrial-grade motor control solution that balances rugged construction with practical wiring methods and standards compliance. It supports scalable three-phase control across a range of applications from general machinery to automated lines, delivering dependable performance and a clear return on investment for panel builders and end users. When selecting a controller for high-availability systems, this Eaton model provides a proven balance of protection, ease of install, and long-term serviceability. With a weight of 1.63 lb and compact dimensions (approximately 4.67 in L, 4.42 in H, 2.63 in W), it fits neatly into compact control panels without sacrificing accessibility for maintenance.
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FAQs
AHMC340L-1 uses side-wired box lug terminations with copper-alloy terminals, designed for up to #14-4 AWG conductors to simplify field wiring and ensure secure, vibration-resistant connections.
The controller is rated for 40A at 600V, three-phase, with a three-pole configuration and maintained contact for reliable start-stop control in industrial panels.
Yes. It features a NEMA Type 1 stainless-steel enclosure intended for indoor industrial environments, protecting against dust and incidental moisture typical of manufacturing facilities.
AHMC340L-1 is cULus Listed and NAFTA compliant, aiding procurement, compliance audits, and North American installation standards.
Its panel-mount design, toggle switch, and side-wired terminals with copper-alloy components streamline wiring, reduce field errors, and support quick maintenance in busy production environments.