Crouse-Hinds series EMP, EMPS and EMPX explosionproof operators are globally certified for NEC, CEC and IEC hazardous areas, making them the perfect solution for panel shops, skid builders and other OEM applications around the world.
EPMX operators are also Type 4X and IP66W rated, providing superior protection against corrosion and harsh environments commonly found in offshore platforms, marine applications, refineries, chemical and petrochemical plants, food and beverage plants, and process facilities.
Available operator types include: pushbuttons, mushroom head pushbuttons, reset buttons, pilot lights and selector switches.
Description
The Eaton Crouse-Hinds EMP & EMPS barrel assemblies are explosionproof and dust-ignitionproof operators designed for use in hazardous areas, including:
✔ Oil refineries
✔ Chemical and petrochemical plants
✔ Offshore drilling platforms
✔ Food and beverage processing
✔ Industrial automation
These barrel assemblies are used for replacements in complete EMP units or for assembling custom-built hazardous area control stations.
Certifications & Environmental Ratings
✅ Classifications & Approvals
- Class I, Div. 1 & 2, Groups B, C, D
- Class II, Div. 1, Groups E, F, G
- Class II, Div. 2, Groups F, G
- Class III
- II 2 G Ex d IIB + H2, T5 (ATEX Certified)
- NEMA 3, 7BCD, 9EFG
- UL1203, CSA C22.2 No. 30
✅ Environmental Protection
- Explosionproof & dust-ignitionproof
- Raintight & wet location rated
- Factory-sealed—no external sealing required
Ordering Information – Pilot Lights
| Type | Voltage | Catalog Number | Color Code |
|---|---|---|---|
| Pilot Light | 120V | EMP009 | Red (J1), Green (J3), Amber (J6), Clear (J10), Blue (J11) |
| Pilot Light | 120V | EMP0098 | Red (J1), Green (J3), Amber (J6), Clear (J10), Blue (J11) |
🔹 Optional LED Version: Add suffix “LED” after the color code (e.g., EMP009-J1-LED).
Ordering Information – Pushbuttons
| Type | Thread Size | Short Assembly (EMPS) | Standard Assembly (EMP) |
|---|---|---|---|
| Single Pushbutton | ¾”-14 NPSM | EMPS019 | EMP019 |
| Double Pushbutton | ¾”-14 NPSM | EMPS029 | EMP029 |
| Double Pushbutton (Dual Operator) | ¾”-14 NPSM | EMPS039 | EMP039 |
🔹 Optional Engraved Labels: Add legend plate marking codes:
START, STOP, RESET, RUN, EMERGENCY, TEST, JOG, FORWARD, REVERSE, HAND, AUTO, etc.
Ordering Information – Selector Switches
| Type | Thread Size | Short Assembly (EMPS) | Standard Assembly (EMP) |
|---|---|---|---|
| 2-Position Selector Switch | ¾”-14 NPSM | EMPS049 | EMP049 |
| 2-Position Selector Switch | ¾”-14 NPSM | EMPS059 | EMP059 |
| 3-Position Selector Switch | ¾”-14 NPSM | EMPS069 | EMP069 |
| 3-Position Selector Switch | ¾”-14 NPSM | EMPS079 | EMP079 |
| 3-Position Selector Switch | ¾”-14 NPSM | EMPS089 | EMP089 |
🔹 Spring Return Options:
- S634 – Momentary contact clockwise, spring return to center
- S635 – Momentary contact counterclockwise, spring return to center
🔹 Key Operated Versions Available (EMP0691 – EMP0894 series)
Ordering Information – Illuminated Pushbuttons
| Type | Voltage | Catalog Number | Color Code |
|---|---|---|---|
| Illuminated Pushbutton | 120V | EMP0090 | Red (J1), Green (J3), Amber (J6), Clear (J10), Blue (J11) |
| Illuminated Pushbutton | 120V | EMP0098 | Red (J1), Green (J3), Amber (J6), Clear (J10), Blue (J11) |
🔹 Optional LED Version: Add suffix “LED” after the color code (e.g., EMP0090-J1-LED).
Ordering Information – Maintained Contact Pushbuttons
| Type | Thread Size | Long Assembly (EMP) |
|---|---|---|
| Maintained Contact Pushbutton | ¾”-14 NPSM | EMP098 |
🔹 Optional Engraved Labels: STOP, RESET, EMERGENCY, etc.
Ordering Information – Transformers for Pilot Lights
| Primary Voltage Range | Suffix |
|---|---|
| 220/110V | T2 |
| 440/110V | T4 |
| 550/110V | T5 |
🔹 Transformers are required for voltages above 125V.
Keyed Selector Switches – Ordering Guide
| Key Removal Position | Short Assembly (EMPS) | Standard Assembly (EMP) |
|---|---|---|
| All Positions | EMPS0691 | EMP0691 |
| Center Only | EMPS0692 | EMP0692 |
| Left Only | EMPS0693 | EMP0693 |
| Right Only | EMPS0694 | EMP0694 |
| 3-Position Selector Switch (All) | EMPS0791 | EMP0791 |
Dimensions & Thread Specifications
✔ Standard Thread Size: ¾”-14 NPSM
✔ Available in Short and Long Assemblies
✔ Factory-Sealed Construction for Explosionproof Applications
Why Choose Eaton Crouse-Hinds EMP & EMPS Barrel Assemblies?
✔ Explosionproof & Corrosion-Resistant – Built for hazardous areas
✔ Factory-Sealed – No additional sealing fittings required
✔ Durable Construction – NEMA 3, 7BCD, 9EFG rated for extreme environments
✔ Wide Configuration Options – Pushbuttons, selector switches, pilot lights, and more
✔ LED Lamp Options Available – Long-life indicators reduce maintenance costs
Final Thoughts
The Eaton Crouse-Hinds EMP & EMPS barrel assemblies provide a rugged, explosionproof, and modular control solution for hazardous locations. These factory-sealed operators ensure safe and reliable operation in industrial applications, meeting the most demanding safety and environmental standards.
For industries requiring high-performance control operators in hazardous areas, the EMP & EMPS Series is the optimal choice for safety, durability, and efficiency.
The Eaton Crouse-Hinds EMPX hazardous area operators are designed for use in harsh and hazardous environments, including:
✔ Refineries
✔ Chemical and petrochemical plants
✔ Marine and offshore facilities
✔ Mining and corrosive process industries
✔ Food and beverage plants
These operators are certified for Class I, Division 1 & 2, Groups B, C, D and Class II, Division 1 & 2, Groups E, F, G, ensuring safe operation in hazardous locations.
Certifications & Compliance
✅ Explosionproof & Dust-Ignitionproof
- Class I, Div. 1 & 2, Groups B, C, D
- Class II, Div. 1 & 2, Groups E, F, G
- Class III
- IECEx & ATEX Certified
- IP66W (Salt Spray Rated)
- Ambient Temperature Range: -50°C to +60°C
✅ Applicable Standards
- UL1203, UL50, UL508
- CSA C22.2 No. 25-1966, C22.2 No. 30-M1986, C22.2 No. 94-M91, C22.2 No. 14-13
- EN 60079-1 / IEC 60079-1, EN 60079-31 / IEC 60079-31
Ordering Information – Pushbuttons
| Description | Catalog Number | Contacts |
|---|---|---|
| Reset pushbutton | EMPX099 | Maintained |
| Big pushbutton | EMPX519 | (1) NO & (1) NC |
| Big pushbutton | EMPX529 | (2) NO & (2) NC |
| Mushroom head pushbutton | EMPX819 | (1) NO & (1) NC |
| Mushroom head pushbutton | EMPX829 | (2) NO & (2) NC |
| Mushroom head push-pull button | EMPX918 | (1) NO & (1) NC |
| Mushroom head push-pull button | EMPX928 | (2) NO & (2) NC |
🔹 Thread Length Options:
- S – Small (25mm)
- M – Medium (40mm)
- L – Large (57mm)
Example Order Code: EMPXS519 (Small thread, big pushbutton with (1) NO & (1) NC contacts)
Ordering Information – Illuminated Pushbuttons
| Description | Catalog Number | Contacts | Voltage | Lens Color |
|---|---|---|---|---|
| Illuminated Pushbutton | EMPX119 | (1) NO & (1) NC | 120V | Red (J1), Green (J3), Amber (J6), Blue (J11) |
| Illuminated Pushbutton | EMPX119-S300 | (1) NO & (1) NC | 24V DC | Red (J1), Green (J3), Amber (J6), Blue (J11) |
| Illuminated Pushbutton | EMPX119-T2 | (1) NO & (1) NC | 240V | Red (J1), Green (J3), Amber (J6), Blue (J11) |
Ordering Information – Pilot Lights
| Description | Catalog Number | Voltage | Lens Color |
|---|---|---|---|
| Pilot Light | EMPX009 | 120V | Red (J1), Green (J3), Amber (J6), Blue (J11) |
| Pilot Light | EMPX009-S300 | 24V DC | Red (J1), Green (J3), Amber (J6), Blue (J11) |
| Pilot Light | EMPX009-T2 | 240V | Red (J1), Green (J3), Amber (J6), Blue (J11) |
| Pilot Light | EMPX009-T4 | 480V | Red (J1), Green (J3), Amber (J6), Blue (J11) |
Ordering Information – Selector Switches
| Description | Catalog Number | Contacts |
|---|---|---|
| 2-Position Selector Switch | EMPX049 | (1) NO & (1) NC |
| 2-Position Selector Switch | EMPX059 | (2) NO & (2) NC |
| 3-Position Selector Switch | EMPX069 | (1) NO & (1) NC |
| 3-Position Selector Switch | EMPX079 | (2) NO & (2) NC |
🔹 Additional Options:
- S634 – Spring return to center from clockwise
- S635 – Spring return to center from counterclockwise
Electrical Ratings
✔ Pushbuttons & Selector Switches:
- Ui = 500V, Ith = 10A
- Breaking Capacity (AC-15):
- 220V = 10A, 380V = 7.5A, 500V = 5A
- Breaking Capacity (DC-13):
- 24V = 2.75A, 60V = 1.10A, 110V = 0.55A, 220V = 0.27A
✔ Pilot Lights & Illuminated Pushbuttons:
- Ui = 500V, Ith = 6A
- Breaking Capacity (AC-15):
- 500V = 5A
- Breaking Capacity (DC-13):
- 220V = 0.27A
✔ Selector Switches:
- Voltage Rating: 690V, 20A
- Breaking Capacity (AC-3):
- 220-240V = 3.0 kW, 380-440V = 5.5 kW
- Breaking Capacity (DC):
- 24V = 20A, 60V = 4.5A, 110V = 1A
Replacement Parts & Accessories
| Description | Catalog Number |
|---|---|
| Pushbutton Contact Block (1 NO / 1 NC) | EMPXC-1-A |
| Pushbutton Contact Block (2 NO) | EMPXC-1-B |
| Pushbutton Contact Block (2 NC) | EMPXC-1-C |
Why Choose Eaton Crouse-Hinds EMPX Operators?
✔ Explosionproof & Corrosion-Resistant – Designed for Class I, Division 1 & 2 hazardous areas
✔ Factory-Sealed – No additional sealing fittings required
✔ Weatherproof & Dusttight – IP66W & NEMA 4X rated
✔ Flexible Configurations – Pushbuttons, pilot lights, and selector switches available
✔ LED Lamp Options – Extended service life for pilot lights
Final Thoughts
The Eaton Crouse-Hinds EMPX Series hazardous area operators provide rugged, explosionproof, and reliable solutions for industrial control applications. Whether used for motor control, emergency stop, or process automation, these durable operators meet global safety standards and offer customizable configurations.
For industries requiring high-performance control operators in hazardous locations, the EMPX Series is the optimal choice for safety, durability, and efficiency.
