Eaton AFAX20 Conveyor Belt Alignment Switch - Hazardous
Part Number: AFAX20
Quick Summary
AFAX20 conveyor belt alignment switch is designed to maintain precise belt tracking in hazardous locations for conveyors. Maintenance downtime and belt misalignment can drive wear, energy waste, and unplanned shutdowns. This device meets NEC/CEC requirements for hazardous and classified locations and carries Class I, Division 1/2 and Class II, Division 1/2, Class III ratings, along with NEMA 3, 7, and 9 enclosures. With its Feraloy iron alloy contacts and two normally closed contacts rated at 15 A and 600 Vac, it integrates cleanly with standard control wiring and explosion-protected installations, offering reliable protection and simplified maintenance. For engineers, this means lower lifecycle costs, improved uptime, and safer, compliant belt alignment in demanding environments.
Product Information
Extended Description
AFAX20 Eaton Crouse-Hinds: Eaton Crouse-Hinds series AFAX conveyor belt alignment switch, 15A, Two normally closed, Feraloy iron alloy, 600 Vac
Product Name
Eaton Crouse-Hinds series AFAX conveyor belt alignment switch
Catalog Number
AFAX20
Product Length/Depth
5.68 in
Product Height
11.81 in
Product Width
4.92 in
Product Weight
22.92 lb
UPC
782274273129
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 7 9
Contact arrangement
Two normally closed
Material
Feraloy iron alloy
Amperage Rating
15A
Voltage rating
600 Vac
AFA and AFAX Series Explosionproof Conveyor Belt Alignment Switches catalog page
AFA and AFAX Explosionproof Conveyor Belt Alignment Switches Canadian certification
AFA and AFAX Explosionproof Conveyor Belt Alignment Switches Canadian certification
IF 959 - Conveyor Belt Alignment Switch
Eaton Specification Sheet - AFAX20
Feature → Business Impact → Application: The AFAX20 uses a rugged Feraloy iron alloy construction that resists wear in dusty, explosive atmospheres, delivering longer life and reduced maintenance costs. This improves uptime and lowers total cost of ownership for hazardous conveyors while enabling reliable belt guidance in mining and chemical plants. Feature → Business Impact → Application: A 15A, 600 Vac rating supports standard control circuits and motor starters, simplifying integration with existing plant controls and reducing the need for overspecification. Application: fits typical industrial switchgear and control panels, speeding installation in new builds and retrofits. Feature → Business Impact → Application: Two normally closed contacts provide a fail-safe wiring scheme that simplifies troubleshooting and maintenance, enabling immediate belt stop on misalignment and improving safety. Application: ideal for line-side belt controls and safety interlocks in hazardous locations. Feature → Business Impact → Application: NEMA 3, 7, 9 enclosures and NEC/CEC compliance ensure regulatory peace of mind, reducing audit findings and speeding approvals in regulated facilities.
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FAQs
AFAX20 is designed for NEC/CEC hazardous/classified locations and accepts standard control wiring with two normally closed contacts. Use certified explosionproof enclosures and follow Class I, Division 1/2 requirements. Route wiring with proper grommets, seal fittings, and appropriate cable glands. Verify 15 A, 600 Vac rating and torque specs for stable operation, ensuring safe, compliant belt alignment control.
Yes. AFAX20 uses a conventional two normally closed contact arrangement and a 15 A, 600 Vac rating, enabling straightforward integration with common PLCs and motor starters. Its mounting envelope and dimensions support typical conveyor layouts, and its Feraloy iron alloy contacts provide long life in harsh environments, reducing maintenance intervals.
AFAX20 is best suited for hazardous locations in mining, chemical processing, oil and gas, and other heavy-duty conveyors. It detects belt misalignment and provides a clean stop signal to prevent belt damage and runaway conditions. The explosionproof construction and NEMA 3/7/9 ratings ensure durable operation in dust, moisture, and temperature fluctuations.
AFAX20 carries NEC/CEC compliance for hazardous and classified locations, with Class I Division 1/2, Class II Division 1/2, and Class III ratings, plus NEMA 3/7/9 protection. The UPC 782274273129 provides traceability. These certifications help accelerate regulatory approvals and reduce audit findings in regulated facilities.
By preventing belt misalignment and triggering prompt shutdowns, AFAX20 reduces downtime, wear, and energy waste. Its robust Feraloy iron alloy contacts extend service life, lowering replacement costs. Combined with easy installation and standard wiring, it enables faster project deployment and lower total cost of ownership over the life of hazardous conveyors.