IF 1911 • 09/20 Copyright
©
2020, Eaton’s Crouse-Hinds Division
Page 5
14. TECHNICAL DATA
Hazardous Location Technical Data for Breakers
Explosion Category:
For USL
For CNL
AEx de IIB/IIC
Ex de IIB/IIC
Certifications and Compliances:
For USL
Class I, Division 2, Groups A, B, C, D
Class I, Zone 1
For CNL
Class I, Division 2, Groups A, B, C, D
Zone 1
Ambient Temperature Range
IIB: -45°C to +55°C (GHG62-1/2...R...)
IIB and IIC: -20°C to +40°C (GHG627...R...)
IIC: -20°C to +55°C (GHG62-1/2/3/4...R...)
Permissible Service Temperature Range*
IIB: -45°C to +110°C (GHG62-1/2...R...)
IIB and IIC: -20°C to +110°C (GHG627...R...)
IIC: -20°C to +110°C (GHG62-1/2/3/4...R...)
*Other temperatures possible with special versions.
Certifications and Ratings
Certifications and Compliances:
cULus Listed
Class I, Division 2, Groups A, B, C, D
Class II, Division 2, Groups F and G
Zone 2 Ex ec IIC Gc T4
Zone 22
UL67
CSA C22.2 No. 29
UL60079-7
CSA-C22.2 No.60079-15:2012
IP66
Temperature class: T4
Ambient Temperature Range - Standard:-20°C to +55°C
Ambient Temperature Range - HT1 & HT2 Options :-40°C to +55°C
Rated Voltage
Up to 480/277 VAC, 60 Hz
Rated Short Circuit Current
10 kA
Rated Current
Max. 225A
up to 55°C
Environmental Rating
3R, 4, 4X with stainless steel enclosure
Temperature Class
T4
Ambient Temperature
-20°C to +55°C (default)
-40°C to +55°C (with HT1 and HT2 suffix)
Entries
Acc. to customer’s specification and as certified (consult factory)
Terminal Cross-section – Incoming
MLO: 6 AWG - 250MCM (10mm2 - 120mm2)
MCB: 11 AWG - 350 MCM (4mm2 - 185mm2)
Incoming Wires
75°C
Outgoing Wires
75°C
Enclosure Material
Stainless steel
Mechanical Data – Circuit Breakers
Terminal Specifications
Branch and on-chassis main
(10A - 40A)
Off-chassis main (>50A)
Terminal Size
14 - 8 AWG
1.5mm
2
- 16mm
2
11 AWG - 350 MCM
4mm
2
- 185mm
2
Aux. Terminals
AWG 14
AWG 11 - 20
Quantity Terminals for the Module Size:
Main Terminals
Aux. Terminals
1P 2P EPD/GFI 3P Main Breaker
1 2 2 3 3
2 3 3 4 5
Torques:
Main Contacts
Aux. Contacts
Mounting Screws
31 in.-lb. (3.5 N-m)
22 in.-lb. (2.5 N-m)
18 in.-lb. (2 N-m)
89 in.-lb. (10 N-m)
22 in.-lb. (2.5 N-m)
18 in.-lb. (2 N-m)
