Eaton Crouse-Hinds EMPX Installation & Maintenance Information

EMPX operators
Installation & maintenance information
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.
UL application details:
Identification:
Certificate:
Ambient temperature range:
Thread:
Required threads (Class I):
Required threads (Class II and III): T
Ingress protection:
Storage temperature in original packaging:
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
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:
Rated voltage
Rated current
Breaking capacity for AC 15
Breaking capacity for DC 13
ILLUMINATED PUSHBUTTONS:
CONTACT BLOCK INFORMATION
Rated voltage
Rated current
Contacts for AC 15
Contacts for DC 13
IF 1857 • 09/18
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
Class I, Division 1, Groups B, C, D
Class II, Division 1, Groups E, F , G
Class III
E10593
-50°C to +60°C
3/4" x 14 NPSM
Eight (8) full threads engaged
Three (3) full threads engaged
Type 4X
-20°C to +50°C
U 500V
i
I 10A
th
Voltage Current
220V 10A
380V 7.5A
500V 5A
Voltage Current
24V 2.75A
60V 1.10A
110V 0.55A
220V 0.27A
U 500V
i
I 6A
th
Voltage Current
250V 6A
Voltage Current
24 VDC 3A
Copyright © 2018, Eaton's Crouse-Hinds Division
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.
IECEx and ATEX application details:
Identification:
Certificates:
Ambient temperature range:
Thread:
Required threads (EN 60079 1):
Required threads (EN 60079 31):
Ingress Protection:
Storage temperature in original packaging:
PILOT LIGHTS:
12V / 24V / 120V 240 VAC
Rated voltage: 250 VAC/VDC Rated voltage: 240 VAC
Maximum power: 2.6W Maximum power: 2.6W
NOTE: Verify that LED marked rating matches the socket before replacement.
ROTARY SWITCHES:
Breaking capacity Rated current
for AC 20A
220-240V 3.0 kW
AC-3
380-440V 5.5 kW
220-240V 5A
AC-15
380-440V 4A
220-240V 20A
AC-22A
380-440V 20A
220-240V 3.7 kW
AC-23A
380-440V 7.5 kW
Breaking capacity for Rated
DC current 20A
24V 48V 60V
Resistive
loads 20A 12A 4.5A
T<1ms
Inductive
loads 12A 2A 1A
T=50ms
II 2G Ex db IIC Gb
II 2D Ex tb IIIC Db
Sira 18ATEX1236U IECEx CSA 18.0027U
-50°C to +60°C
3/4" x 14 NPSM
Five (5) threads engaged (3/4" NPSM)
3.7mm (3/4" NPSM)
IP66W (salt spray)
-20°C to +50°C
LED SOCKET
480 VAC
Rated voltage: 480 VAC
Maximum power: 2.6W
Rated voltage
Rated current
Max. no. contact
chambers
110V
1A
0.4A
IF 1857
690V
20A
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