Eaton APQ637 Arktite APQ motor plug - NEMA 4 rating
Part Number: APQ637
Quick Summary
APQ637 motor plug from Eaton Crouse-Hinds is a rugged Arktite connector designed for motor protection in harsh industrial environments. Installers often battle mismatched cable diameters and time-consuming field wiring, which drives up project costs and downtime. This plug supports 60A with a 0.50-1.45 in cable range and a voltage rating of 600 Vac / 250 Vdc, while meeting NEC/CEC standards and the NEMA 4 enclosure requirement for reliable outdoor and indoor service. It is built from copper-free aluminum to reduce weight without compromising strength, and its compact footprint simplifies panel mounting. For OEMs and service teams, APQ637 delivers easier installation, enhanced durability, and consistent, code-compliant performance across demanding applications.
Product Information
Extended Description
APQ637 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite APQ motor plug, 60A, 0.50-1.45", Three-wire, three-pole, 50-400 Hz, Style 1, Copper-free aluminum, 600 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series Arktite APQ motor plug
Catalog Number
APQ637
Product Length/Depth
4.25 in
Product Height
4.25 in
Product Width
4.875 in
Product Weight
2.4 lb
UPC
782274053004
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
NEMA Rating
4
Amperage Rating
60A
Grounding type
Style 1
Configuration
Three-wire, three-pole
Cable diameter
0.50-1.45"
Material
Copper-free aluminum
Voltage rating
600 Vac/250 Vdc
Frequency rating
50 to 400 Hz
Arktite APQ Circuit Breaking Motor Plugs catalog page
Arktite APQ Circuit Breaking Motor Plugs UL certification
Eaton Specification Sheet - APQ637
Feature: 60A amperage rating. Business Impact: Enables reliable power delivery for medium-sized motors in demanding environments, reducing overload risk and improving uptime. Application: Industrial conveyors and pump circuits where consistent current handling is essential. Feature: Cable diameter range 0.50-1.45 in. Business Impact: Flexible lead management lowers inventory variety and speeds field wiring. Application: Motors with varying lead sizes across installations. Feature: Copper-free aluminum construction. Business Impact: Lighter weight and corrosion resistance reduce installation labor and lifecycle maintenance costs. Application: Mounted plugs in exposed or moist environments. Feature: 600 Vac / 250 Vdc voltage rating with 50-400 Hz compatibility. Business Impact: Broad electrical compatibility minimizes need for adapters and rewiring during upgrades. Application: General purpose AC motors and mixed-voltage systems in manufacturing. Feature: NEMA 4 enclosure rating. Business Impact: Strong protection against dust and water ingress, lowering enclosure-related failure risk. Application: Outdoor equipment and wash-down areas. Feature: Style 1 grounding and three-wire, three-pole configuration. Business Impact: Sound grounding strategy improves safety and reduces fault potential. Application: Standard motor plug installations in controlled industrial spaces. Feature: Copper-free aluminum weight and dimensions (4.25 in length/depth, 4.875 in width, 2.4 lb). Business Impact: Compact footprint facilitates quick mounting and reduces shipping costs. Application: Retrofit projects and OEM assemblies seeking space optimization.
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FAQs
APQ637 is designed for three-wire, three-pole motor circuits in industrial equipment. It supports a 60A rating and a 0.50-1.45 in cable range, with 600 Vac/250 Vdc and 50-400 Hz compatibility, making it ideal for conveyors, pumps, and other motor-driven equipment in ordinary locations. Its NEMA 4 enclosure and copper-free aluminum construction provide durable field performance and easier mounting in harsh environments.
Key specs include a 60A amperage rating, cable diameter range of 0.50-1.45 inches, voltage rating of 600 Vac / 250 Vdc, and frequency range of 50 to 400 Hz. Grounding is Style 1, and the configuration is three-wire, three-pole, supporting reliable motor connections across standard industrial power systems.
Yes. The APQ637 adheres to NEC/CEC standards and is rated for NEMA 4, offering reliable protection in ordinary/non-hazardous locations. This combination helps ensure code compliance during installation and ongoing operation in typical manufacturing and processing environments.
The unit uses copper-free aluminum with a compact footprint: 4.25 in length/depth and 4.875 in width, weighing 2.4 lb. This makes mounting straightforward in panel boards or enclosures, reduces handling weight on site, and simplifies field wiring for three-wire, three-pole motor connections.
APQ637 reduces downtime through fast, tool-friendly installation and robust NEMA 4 protection in ordinary locations. Its broad cable compatibility and durable aluminum construction lower replacement and maintenance costs while ensuring compliance with NEC/CEC, supporting long-term reliability and favorable total cost of ownership.