Eaton AFUX0333 66 Conveyor Belt Switch - Explosionproof

Part Number: AFUX0333 66
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
AFUX0333 66

Quick Summary

AFUX0333 66 is an explosionproof conveyor belt control switch for hazardous-location belt conveyors. In demanding plants, inconsistent actuation and difficult wiring complicate safe start/stop sequences. This unit carries NEC/CEC compliance and UL certification for hazardous locations, along with NEMA ratings 3, 7, and 9, providing robust protection in harsh environments. The Feraloy iron alloy housing plus a 50 lb total operating force deliver dependable actuation with reduced nuisance trips, while the double-end, three-hub design supports flexible wiring and mounting. With a 1" trade size and 5.68 in depth, installation is compatible with standard conveyors and control cabinets, helping minimize integration time and maintenance costs.

Product Information

Extended Description

AFUX0333 66 Eaton Crouse-Hinds: Eaton Crouse-Hinds series AFUX conveyor belt control switch, 15A, Two normally open/two normally closed, Feraloy iron, 50 lb total oper force, Double end, 25 lb without switch, (3) 1" hubs
Product Name
Eaton Crouse-Hinds series AFUX conveyor belt control switch
Catalog Number
AFUX0333 66
Product Length/Depth
5.68 in
Product Height
9.5 in
Product Width
18.16 in
Product Weight
25.22 lb
UPC
782274047157
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
Type
Double end
Weight without switch
25 lb
Total operating force required
50 lb
Contact arrangement
Two normally open, two normally closed
Amperage Rating
15A
Voltage rating
600 Vac
Number of hubs
3
Material
Feraloy iron alloy
Trade size
1"
Feature: Explosionproof AFUX construction uses Feraloy iron alloy housing for rugged protection. Business Impact: Improves safety and equipment uptime in hazardous zones, reducing maintenance costs and downtime. Application: Ideal for chemical processing, mining, oil & gas belt lines where rugged enclosures are required. Feature: Electrical capacity and contacts deliver flexible control. Business Impact: Supports reliable start/stop logic with two normally open and two normally closed contacts at 15A and 600 Vac, enabling safe motor control and interlock schemes. Application: Conveyor safety circuits and power interlocks across harsh environments. Feature: Deliberate actuation and mechanical design. Business Impact: 50 lb total operating force ensures intentional actuation, minimizing nuisance trips and prolonging switch life. Application: Heavy-duty belt conveyors with operator-set thresholds in explosive areas. Feature: Flexible mounting and wiring entry. Business Impact: Double-end configuration with three 1" hubs simplifies wiring and mounting, reducing installation time and permitting multi-directional cable entry. Application: Retrofit and new installations in control cabinets and remote enclosures. Feature: Compliance and rugged protection. Business Impact: NEC/CEC alignment and UL certifications, plus Area Classification for Hazardous/Classified Locations and NEMA ratings 3, 7, 9, provide regulatory confidence and long-term reliability. Application: Plants requiring formal approvals and durable operation in explosive atmospheres. Feature: Physical footprint and compatibility. Business Impact: Trade size of 1" and dimensions (5.68 in L, 9.5 in H, 18.16 in W) offer predictable fit in existing layouts, reducing engineering checks and enabling straightforward integration. Application: Conveyor control panels and machine safety assemblies.

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FAQs

AFUX0333 66 offers a 1" trade size and three 1" hubs, enabling multi-entry wiring and flexible mounting. Its double-end design supports diverse installation directions, while the 5.68" depth and 9.5" height fit standard control panels. Suitable for Class I and II locations per NEC/CEC with UL certification, ensuring straightforward integration into existing belt-conveyor systems.
AFUX0333 66 provides a 15 A amperage rating and a 600 Vac voltage rating, with a contact arrangement of two normally open and two normally closed contacts. This configuration supports both simple safety interlocks and more complex belt-control circuits, enabling reliable operation of motorized conveyors in demanding environments.
Yes, AFUX0333 66 is designed for explosionproof service in hazardous locations. It carries NEC/CEC standards, UL certification for hazardous locations, and a NEMA rating of 3, 7, 9, indicating robust protection against dust, water ingress, and hazardous atmospheres. These approvals support compliance in mining, chemical processing, and oil/gas facilities.
The rugged Feraloy iron alloy body and solid mechanical design resist wear in harsh environments, reducing maintenance frequency. With a deliberate 50 lb actuation force and durable contacts, lifecycle is extended even under frequent belt start/stop cycles. The three-hub wiring capacity simplifies future wiring changes, lowering total cost of ownership in long installations.
Downloads are available from Eaton: the AFU/AFUX catalog page PDF provides product overview, UL certification references, and installation guidelines; UL certification pages confirm hazardous-location approvals; installation sheets (IF 493 variants) and the Eaton specification sheet offer detailed wiring diagrams and mounting instructions. Access to these documents supports compliant, efficient installation and maintenance.