EMPX operators
Installation & maintenance information
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
IF 1857
TECHNICAL DATA
This product is not intended to be used alone. The electrical apparatus or systems to which
it is being incorporated require certification as a whole when intended for use in explosive
atmospheres. The 3/4” NPSM thread joint of this product, and the thread of the equipment
to which it is being incorporated, must have a female 3/4” NPSM thread attending the
requirements for threaded joints.
ELECTRICAL SPECIFICATIONS
PUSHBUTTONS:
ILLUMINATED PUSHBUTTONS:
APPLICATION
EMPX barrel assemblies include pilot lights, pushbutton switches, illuminated pushbutton
switches, selector switches and combinations. They are used in control stations, panels
and enclosures used in areas made hazardous due to the presence of flammable vapors,
gases or combustible dusts.
IMPORTANT NOTE
When EMPX devices are to be installed in Crouse-Hinds equipment, refer to Installation
Instruction Sheet that came with that equipment for proper installation.
IF 1857 • 09/18
Copyright © 2018, Eaton’s Crouse-Hinds Division
Page 1
PILOT LIGHTS:
NOTE:
Verify that LED marked rating matches the socket before replacement.
ROTARY SWITCHES:
Rated voltage
U
i
500V
Rated current
I
th
10A
Breaking capacity for AC 15
Voltage
220V
380V
500V
Current
10A
7.5A
5A
Breaking capacity for DC 13
Voltage
24V
60V
110V
220V
Current
2.75A
1.10A
0.55A
0.27A
CONTACT BLOCK INFORMATION
Rated voltage
U
i
500V
Rated current
I
th
6A
Contacts for AC 15
Voltage
250V
Current
6A
Contacts for DC 13
Voltage
24 VDC
Current
3A
12V / 24V / 120V
Rated voltage: 250 VAC/VDC
Maximum power: 2.6W
240 VAC
Rated voltage: 240 VAC
Maximum power: 2.6W
480 VAC
Rated voltage: 480 VAC
Maximum power: 2.6W
LED SOCKET
UL application details:
Identification:
Class I, Division 1, Groups B, C, D
Class II, Division 1, Groups E, F, G
Class
III
Certificate:
E10593
Ambient temperature range:
-50°C to +60°C
Thread:
3/4” x 14 NPSM
Required threads (Class I):
Eight (8) full threads engaged
Required threads (Class II and III): T
Three (3) full threads engaged
Ingress protection:
Type 4X
Storage temperature in original packaging:
-20°C to +50°C
IECEx and ATEX application details:
Identification:
II 2G Ex db IIC Gb
II 2D Ex tb IIIC Db
Certificates:
Sira 18ATEX1236U
IECEx CSA 18.0027U
Ambient temperature range:
-50°C to +60°C
Thread:
3/4” x 14 NPSM
Required threads (EN 60079 1):
Five (5) threads engaged (3/4“ NPSM)
Required threads (EN 60079 31):
3.7mm (3/4” NPSM)
Ingress Protection:
IP66W (salt spray)
Storage temperature in original packaging: -20°C to +50°C
APPLICABLE STANDARDS
•
UL1203 Standard for Explosionproof and Dust-ignitionproof Electrical Equipment for
use in Hazardous (Classified) Locations
•
UL50 Enclosures for Electrical Equipment
•
UL508 Standard for Industrial Control Equipment
•
CSA C22.2 No. 25-1966 Enclosures for use in Class II, Groups E, F, G Hazardous
Locations
•
CSA C22.2 No. 30-M1986 Explosionproof Enclosures for use in Class I Hazardous
Locations
•
CSA C22.2 No. 94-M91 Special Purpose Enclosures Industrial Products
•
CSA C22.2 No. 14-13 Industrial Control Equipment
•
EN 60079-1 / IEC 60079-1
•
EN 60079-31 / IEC 60079-31
Breaking capacity
for AC
Rated current
20A
AC-3
220-240V
3.0 kW
380-440V
5.5 kW
AC-15
220-240V
5A
380-440V
4A
AC-22A
220-240V
20A
380-440V
20A
AC-23A
220-240V
3.7 kW
380-440V
7.5 kW
Breaking capacity for
DC
Rated
current 20A
24V
48V
60V
110V
Resistive
loads
T<1ms
20A
12A
4.5A
1A
Inductive
loads
T=50ms
12A
2A
1A
0.4A
Rated voltage
690V
Rated current
20A
Max. no. contact
chambers
6
