Eaton EMPS089 Selector Switch Operator - Hazardous Locations
Part Number: EMPS089
Quick Summary
Eaton Crouse-Hinds EMPS089 selector switch operator controls hazardous-area machinery with a compact three-position design. This slim, short assembly reduces panel depth while simplifying wiring and installation for rugged environments. For engineers and maintenance teams, the challenge is meeting strict NEC/CEC requirements quickly without compromising safety. EMPS089 delivers NEC/CEC compliance and hazardous location ratings, including Class I, Division 1 and 2, Class II Division 1 and 2, and Class III, with a NEMA 3, 7, 9 enclosure fit. By combining a small footprint with two contact blocks, it supports reliable, code-compliant control across demanding applications, delivering faster installation, easier maintenance, and dependable long-term performance in hazardous areas.
Product Information
Extended Description
EMPS089 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EMPS selector switch operator, Short, Three-position selector switch, (2) contact blocks
Product Name
Eaton Crouse-Hinds series EMPS selector switch operator
Catalog Number
EMPS089
Product Length/Depth
4.81 in
Product Height
2.63 in
Product Width
2.63 in
Product Weight
0.75 lb
UPC
782274310473
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
Operator style
Three-position selector switch
Assembly style
Short
Special features
Two contact blocks
EMP and EMPS Hazardous Area Operators catalog page
IF 1702 - EMP/EMPS Barrel Assemblies - ATEX and IEC version
IF 1702 - EMP/EMPS Barrel Assemblies - ATEX and IEC version
Eaton Specification Sheet - EMPS089
Feature: Three-position selector switch with a short assembly and two contact blocks. Business Impact: Enables compact control logic for multi-position operations while reducing wiring complexity and panel space. Application: Ideal for motor and process control in hazardous-area panels where space is at a premium. Feature: Hazardous location certifications and NEMA ratings (Class I/II/III, Div 1 & 2; NEMA 3, 7, 9). Business Impact: Ensures compliance with NEC/CEC and rugged acceptance in harsh environments, lowering audit risk and downtime. Application: Suitable for chemical plants, offshore platforms, refineries, and mining equipment. Feature: Dual contact blocks. Business Impact: Supports dual-circuit control or redundant signaling, improving reliability and fault isolation. Application: OEM panel builders can simplify wiring schemes and accelerate changeovers. Feature: Compact dimensions (4.81 in L, 2.63 in W, 2.63 in H) and light 0.75 lb weight. Business Impact: Easier integration into tight enclosures and lightweight field upgrades, reducing shipping and handling costs. Application: Ideal for retrofit projects and OEM deployments using EMP/EMPS barrel assemblies. Feature: Documentation and installation support (ATEX/IEC version instructions and EMPS catalog page). Business Impact: Quick reference reduces installation time, ensures correct mounting, and supports compliant refurbishment. Application: Maintenance teams can rely on official guides to avoid miswiring and installation errors.
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FAQs
EMPS089 is designed for use with EMP/EMPS hazardous-area barrel assemblies and follows Crouse-Hinds mounting conventions. For installation, consult the ATEX/IEC version instructions and the EMP/EMPS catalog page to ensure correct alignment, torque, and wiring. This earns faster deployments and consistent performance in Class I and II environments.
EMPS089 carries NEC/CEC compliance and hazardous location ratings including Class I, Division 1 and 2; Class II, Division 1 and 2; Class III. It also features a NEMA 3, 7, 9 enclosure rating, making it suitable for indoor, outdoor, and harsh industrial environments while maintaining regulatory compliance.
Yes. The short assembly with two contact blocks reduces panel depth and wiring complexity, while the three-position selector switch supports multiple control states. Its hazardous-location certifications and compact footprint enable reliable operation in dense panels without compromising safety or maintainability.
Best-suited for motor control and process control in chemical plants, oil and gas facilities, mining equipment, and offshore platforms. The combination of a compact form factor, dual contact blocks, and NEC/CEC compliance supports efficient installation, easy retrofits, and robust operation under demanding service conditions.
EMPS089 offers predictable maintenance due to its rugged construction and standardized EMPS barrel assemblies, reducing downtime during replacement or upgrades. The compact design and clear documentation speed commissioning, lowering labor costs and improving uptime in hazardous-area environments.