Eaton Crouse-Hinds AFA20 S752 Belt Alignment Switch - IP66
Part Number: AFA20 S752
Manufacturer
Eaton Crouse-Hinds
Part number
AFA20 S752
Quick Summary
The AFA20 S752 Belt Alignment Switch from Eaton Crouse-Hinds detects misalignment on conveyor belts to prevent downtime. In harsh industrial environments, misalignment can cause belt wear, material spillage, and unplanned shutdowns, driving up maintenance costs and reducing throughput. This switch is rated for Hazardous/Classified Locations with NEC/CEC compliance, IP66 ingress protection, and NEMA 3, 4, 9 suitability. Designed for hazardous-area installations, it integrates with the AFA/AFAX family, enabling fast, reliable installation and field servicing. With corrosion-resistant finish and feraloy iron alloy construction, it supports proactive maintenance programs and extended service life.
Product Information
Extended Description
AFA20 S752 Eaton Crouse-Hinds: Eaton Crouse-Hinds series AFA conveyor belt alignment switch, 15A, Two normally open, Feraloy iron alloy, Corro-free epoxy powder coat finish, 600 Vac
Product Name
Eaton Crouse-Hinds series AFA conveyor belt alignment switch
Catalog Number
AFA20 S752
Product Length/Depth
5.68 in
Product Height
11.84 in
Product Width
4.92 in
Product Weight
23.37 lb
UPC
782274594835
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 4 9
Ingress protection (IP) ratings
IP66
Contact arrangement
Two normally open
Material
Feraloy iron alloy
Amperage Rating
15A
Voltage rating
600 Vac
Special features
Corro-free epoxy powder coat finish
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 - AFA20 S752
Feature: Rugged enclosure and feraloy iron alloy construction with a corro-free epoxy powder coat finish. Impact: Delivers superior corrosion resistance and long service life in washdown and chemical environments, lowering maintenance costs and unscheduled downtime. Application: Ideal for mineral processing, chemical plants, and outdoor conveyor lines where harsh exposure is constant.
Feature: Two normally open contacts rated 15A at 600 Vac. Impact: Enables straightforward wiring and reliable control logic for belt-stop signals and alarms, reducing wiring errors and false trips. Application: Commonly wired into safety interlock circuits on packaging, mining, and material handling conveyors.
Feature: IP66 ingress protection and NEMA 3, 4, 9 ratings. Impact: Protects internal electronics from dust, water jets, oil spray, and temperature extremes, preserving sensing accuracy. Application: Wash-down zones, outdoor plants, and hazardous locations across industries.
Feature: NEC/CEC compliance and Hazardous/Classified Location area classification. Impact: Supports regulatory compliance, reduces risk, and enables safe operation. Application: Oil & gas, mining, and chemical processing sites requiring certified explosion-protected sensing.
Feature: Compact footprint with 5.68 in length, 11.84 in height, 4.92 in width, and 23.37 lb weight. Impact: Facilitates retrofit and standard mounting on existing frames, enabling faster installations. Application: Works with Eaton AFAX and AFA families, aligning with IF 959 installation guidelines for dependable field service.
Feature: Two normally open contacts rated 15A at 600 Vac. Impact: Enables straightforward wiring and reliable control logic for belt-stop signals and alarms, reducing wiring errors and false trips. Application: Commonly wired into safety interlock circuits on packaging, mining, and material handling conveyors.
Feature: IP66 ingress protection and NEMA 3, 4, 9 ratings. Impact: Protects internal electronics from dust, water jets, oil spray, and temperature extremes, preserving sensing accuracy. Application: Wash-down zones, outdoor plants, and hazardous locations across industries.
Feature: NEC/CEC compliance and Hazardous/Classified Location area classification. Impact: Supports regulatory compliance, reduces risk, and enables safe operation. Application: Oil & gas, mining, and chemical processing sites requiring certified explosion-protected sensing.
Feature: Compact footprint with 5.68 in length, 11.84 in height, 4.92 in width, and 23.37 lb weight. Impact: Facilitates retrofit and standard mounting on existing frames, enabling faster installations. Application: Works with Eaton AFAX and AFA families, aligning with IF 959 installation guidelines for dependable field service.
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FAQs
Follow the IF 959 installation instructions and local codes. The AFA20 S752 mounts on standard frames used with the AFAX/AFA family, featuring a feraloy housing and IP66 enclosure. Wire the two normally open contacts to the control circuit for a clean belt-stop signal, ensuring proper sealing, grounding, and continuity of the corrosion-resistant finish.
The unit uses two normally open contacts with a 15A, 600 Vac rating to deliver a reliable stop/alarm signal when the belt shifts. Its feraloy iron alloy core and corrosion-resistant coating maintain sensing accuracy in tough environments, while the compact enclosure simplifies mounting on standard conveyor frames.
Yes. The AFA20 S752 is designed to integrate with the AFAX and AFA families and adheres to common control wiring practices for conveyor safety. The installation supports standard control circuits, enabling quick retrofits and consistent performance across your existing protection strategy.
The switch carries NEC/CEC compliance with Hazardous/Classified Locations ratings, IP66 ingress protection, and NEMA ratings of 3, 4, and 9. These certifications validate safe operation in corrosive, dusty, or wet industrial settings and simplify regulatory approvals for plant upgrades.
By preventing belt misalignment-related downtime and reducing maintenance visits, the AFA20 S752 lowers overall operating costs. Its rugged build and corrosion resistance extend service life in harsh environments, while straightforward installation minimizes commissioning time and supports predictable maintenance planning.