ENCLOSURES & CONTROLS
WARNING
UNICODE 2
INDUSTRIAL CONTROL STATION
INSTALLATION INSTRUCTIONS
IT IS IMPORTANT TO READ, UNDERSTAND AND FOLLOW THESE
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.
INSTRUCTION SHEET
F-11161_Rev 2
INSTRUCTIONS TO MAINTAIN THE OUTLET BOX APPROVALS.
The Unicode 2 Industrial Control Stations are certified to CENELEC, IEC, CEC, and NEC standards.
Equipment must be installed in accordance with all National and Local codes, acceptable to the Authority Having Jurisdiction.
Only qualified personnel should install, inspect, and perform regular maintenance on an industrial control station.
The Unicode 2 industrial control stations and components have been certified by CSA International for use in hazardous locations in
the United States and Canada.
This instruction manual and CE declaration shall be kept per the Directive 1999/92/EC in the Explosive Protection Documentation.
Refer to the product label for important information regarding the hazardous location ratings, environmental ratings, and agency
approvals. Adhere to all warning and caution statements.
All unused openings shall have a close-up plug installed which has the same environmental rating as the enclosure. To maintain the
Ex / AEx hazardous location rating, the ingress protection of the enclosure must not be compromised.
Disconnect circuits before opening cover.
Take extreme care not to damage the cover gasket. Damaging the cover gasket could affect the enclosure’s integrity to protect the
hazardous area.
Dirt, grease, and other foreign material must not accumulate on the joint surface between the body and cover. The cover and body
must fully mate against each other to provide the proper ingress protection.
Do not attempt to repair the cover gasket. If the gasket is damaged contact factory for replacement.
Only use the original cover screws that were provided with enclosure.
Always keep the cover screws tight to maintain the ingress protection of the enclosure.
Care should be exercised in material selection if the equipment is to be used in extremely corrosive environment.
Since the conditions of use are outside of our control, the purchaser should determine the suitability of the outlet box for the intended
use and assumes all risk and liability in regards to the specific application.
MOUNTING INSTALLATION
TO AVOID RISK OF
ELECTRICAL SHOCK TURN POWER
OFF BEFORE INSTALLATION AND MAINTENANCE
1. Perform all assembly operations prior to installing the industrial control station.
2. Do not install/use the Unicode 2 industrial control station in a Zone 0 or 20 (classified) hazardous area.
3. It is the responsibility of the installer to properly install the enclosure using the mounting method provided. Do not drill into the back of
enclosure; this will compromise the enclosure’s protection method and ingress protection rating.
4. Mount the enclosure on a flat surface capable of supporting the box, wiring, etc.
5. Take care not to damage the cover gasket.
6. Conduits hubs shall be installed per the manufacturer’s installation instructions and the applicable National and Local Electrical Codes.
Hubs shall have the same or better ingress protection of the enclosure.
7. All unused cable entries must be sealed with blanking plugs.
8. Accessories mounted on the enclosures walls, such as packing boxes, blanking plugs, etc., must be certified themselves or
compatible with the material certification.
9. Inspect and perform a continuity test for all electrical connections, including an insulation resistance testing for unwanted grounds.
10. Line up the cover and body bolt holes. Hand start the cover bolts first, before tighten bolts.
11. Cover must fully seat against the body to provide a proper seal.
1
UNICODE 2 COMPONENT CERTIFICATION
Unicode 2
Components
CSA International
Component Certification
Hazardous Location
Rating
Operating
Temperature Range
Ingress
Protection
Rating
Enclosure
Type Rating
Electrical
Rating
Polyester Enclosure
164460
CSA Classes:4418-02 & 4418-82
Canadian Rating
CL I, Div 2, Grp ABCD
CL II, Grp EFG; CL III
Ex e II
DIP A21
United States Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e II
AEx tD 21
-55°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
U21
U22
U23
Stainless Steel Enclosure
164460
CSA Classes:4418-02 & 4418-82
Canadian Rating
CL I, Div 2, Grp ABCD
CL II, Grp EFG; CL III
Ex e II
DIP A21
United States Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e II
AEx tD 21
-55°C ≤ Ta ≤ +70°C
IP66
Type 4X
N/A
U61
U62
U63
Feed-Through Earth Stud
Terminal
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; Cl III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
PRESSTM20
PRESSTM25
Selector Switch
164460
CSA Classes:4658-01 & 4658-81
Canadian Rating
CL I, Div 2, Grp ABCD T6
Ex de IIC T6
United States Rating
CL I, Div 2, Grp ABCD T6
CL I, Zone 1, AEx de IIC T6
-55°C ≤ Ta ≤ +80°C
N/A
N/A
A600
600Vac, 20A
N150
125Vdc, 10A
US16
Contact Block
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL I, Div 2, Grp ABCD
Ex de IIC
United States Rating
CL I, Div 2, Grp ABCD
CL I, Zone 1, AEx de IIC
-40°C ≤ Ta ≤ +75°C
N/A
N/A
A600
600V Heavy Duty
UCB5
UCB9
Pilot Light
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL I, Div 2, Grp ABCD
Ex de IIC
United States Rating
CL I, Div 2, Grp ABCD
CL I, Zone 1, AEx de IIC
-40°C ≤ Ta ≤ +75°C
N/A
N/A
12-264 Vac, 50/60 Hz,
12-60 Vdc
UPG
UPR
UPW
Pilot Light Head w/ Pilot Light
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
Ex de IIC
DIP A21
United States Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
12-264 Vac, 50/60 Hz,
12-60 Vdc
UPGO
UPRO
UPWO
UPBO
UPYO
Illuminated Push Button w/ Pilot Light
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
Ex de IIC
DIP A21
United States Rating
CL I, Div 2, Grp ABCD
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
12-264 Vac, 50/60 Hz,
12-60 Vdc
ULGO
ULRO
ULWO
ULBO
ULYO
Enclosure catalog numbers may be followed by additional suffixes denoting entries, cover configuration, etc.
2
UNICODE 2 CERTIFICATION
Unicode 2
Components
CSA International
Component Certification
Hazardous Location
Rating
Operating
Temperature Range
Ingress
Protection
Rating
Enclosure
Type Rating
Electrical
Rating
Plug Head
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
UBP
Push Button
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
UAORG
UAOG
UAOR
UAOW
UAOG
UAOY
Spring Return Mushroom Head
Push Button
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
URO
UBO
Push-Pull Mushroom Head Push
Button
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
UDO
Rotary Actuator Head
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
UHO
UJO
UKO
UMO
UNO
Pilot Light Head
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
UPGL
UPRL
UPWL
UPBL
UPYL
Illuminated Push Button
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-40°C ≤ Ta ≤ +60°C
IP66
Type 4X
N/A
ULGL
ULRL
ULWL
ULBL
ULYL
Selector Switch
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grps FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-20°C ≤ Ta ≤ +74°C
IP66
Type 4X
N/A
USH2
USH3
USH4
Selector Switch
Panel Mount
164460
CSA Classes:3218-02 & 3218-82
Canadian Rating
CL II, Div 2, Grp FG; CL III
Ex e IIC
DIP A21
United States Rating
CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e IIC
AEx tD 21
-20°C ≤ Ta ≤ +74°C
IP66
Type 4X
N/A
USH2P
USH3P
USH4P
Operator Heads, Contacts, and Pilot Lights catalog numbers may be followed by the suffix R or P.
3
UNICODE 2 PRODUCT LINE CROSS REFERENCE
Operator Heads
Contacts
Pilot Lights
Adapters
Optional Accessories
Plug Head
UBP
Push Button
Contact Block (3 max.)
Panel Mount Adapter
UAORG
UAOG
UAOR
UAOW
UAOG
UAOY
UCB5
UCB9
UPMA
Spring Return Mushroom
Head Push Button
Contact Block (3 max.)
Panel Mount Adapter
Mushroom Guard
URO
UBO
UCB5
UCB9
UPMA
098657
Push-Pull Mushroom Head
Push Button
Contact Block (3 max.)
Panel Mount Adapter
Mushroom Guard
UDO
UCB5
UCB9
UPMA
098657
Rotary Actuator Head
Contact Block (3 max.)
Panel Mount Adapter
UHO
UJO
UKO
UMO
UNO
UCB5
UCB9
UPMA
Pilot Light Head
Pilot Light (1 max.)
Panel Mount Adapter
UPGL and UPGO
UPRL and UPRO
UPWL and UPWO
UPBL and UPBO
UPYL and UPYO
UPG
UPR
UPW
UPMA
Illuminated Push Button
Contact Block (2 max.)
Pilot Light (1 max.)
Panel Mount Adapter
ULGL and ULGO
ULRL and ULRO
ULWL and ULWO
ULBL and ULBO
ULYL and ULYO
UCB5
UCB9
UPG
UPR
UPW
UPMA
Selector Switch
Rotary Switch
USH2
USH3
USH4
US16
Selector Switch
Panel Mount
Rotary Switch
USH2P
USH3P
USH4P
US16
Operator Heads, Contacts, and Pilot Lights catalog numbers may be followed by the suffix R or P.
4
SHEET
Enclosure Type Rating
Ingress Protection Rating
Method of Protection
Temperature Code
Polyester Ind. Ctr. Eq.
Encl. Series U2
Stainless Steel Ind. Ctr.
Eq. Encl. Series U6
U21
U22
U23
U61
U62
U63
Optional Accessories
Reserved for Future Use
Operating Ambient
Temperature Range
Operating Ambient
Temperature Range
Padlockable Guard
UPLD1S
UPLD2S
Type 4X
IP66
Ex e
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD1S
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD1S
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD1S
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Padlockable Guard
UPLD1S
UPLD2S
Type 4X
IP66
Ex de
T6
-40°C ≤ Ta ≤ +60°C
-40°C ≤ Ta ≤ +60°C
Type 4X
IP66
Ex de
T6
-20°C ≤ Ta ≤ +60°C
-20°C ≤ Ta ≤ +70°C
Type 4X
IP66
Ex de
T6
-20°C ≤ Ta ≤ +60°C
-20°C ≤ Ta ≤ +70°C
Enclosure catalog numbers may be followed by additional suffixes denoting entries, cover configuration, etc.
5
UNICODE 2 COVER LAYOUT
IMPORTANT
Operator Opening
OR
OR
OR
1 - Rotary Switch
1 - Pilot Light
2 - Contact Blocks
1 - Pilot Light
3 - Contact Blocks
Enclosure Window
1 – Ammeter*
Shaded Layouts
Ex e | AEx e Terminal Block
03 04 05 06 07 08 09 26 28 29
25 10 11 12 13 14 15 16 17 18 19
20 21 22 23 24
30 31 32 33
Polyester
Cover Layout
Stainless Steel
Cover Layout
Unicode 2 Industrial Control Equipment Size 1 Enclosures
U21 and U61
Unicode 2 Industrial Control Equipment Size 2 Enclosures
U22 and U62
Unicode 2 Industrial Control Equipment Size 3 Enclosures
U23 and U63
MAXIMUM ELECTRICAL COMPONENTS ALLOWED
MAXIMUM
POWER DISSIPATION
* - Ammeter only suitable for use in Ordinary Locations in North America.
TABLES NOT APPLICABLE
2.5 mm2 / 10A Max.
Maximum 10
6
RAIL AND PANEL MOUNT
RAIL MOUNTING
ELECTRICAL CONNECTION
7
MOUNTING OF COMPONENTS
8
ASSEMBLY OF INSERT FOR ROTARY ACTUATOR HEAD
9
MARKING EXAMPLE
Unicode 2 Control Station
Canadian Rating United States Rating
CL I, Div 2, Grp ABCD T6 CL I, Div 2, Grp ABCD T6
CL II, Div 2, Grp FG CL II, Div 2, Grp FG
CL III CL III
Ex de IIC T6 CL I, Zone 1, AEx de IIC T^
DIP A21, IP66 AEx tD 21, IP66
Temperature Code T6
Operating Temperature Range: -20°C ≤ Ta ≤ +40°C
Ingress Protection Rating: IP66
Enclosure Type Rating: Type 4X
UP Pilot Light Electrical Rating: 12-264Vac, 50/60 Hz | 12-60Vdc
US16 Selector Switch Electrical Rating: A600 | 600Vac, 20A | N150 | 125Vdc, 10A
Type CSPe – U21 Polyester Enclosure
Canadian Rating: CL I, Div 2, Grp ABCD; CL II Grp EFG; CL III
Ex e II; DIP A21
United States Rating: CL 1, Div 2, Grp ABCD; CL II, Div 2, Grp FG; CL III
CL I, Zone 1, AEx e II; AEx tD 21
Operating Temperature Rating: -55°C ≤ Ta ≤ +60°C
Ingress Protection Rating: IP66
Enclosure Type Rating: Type 4X
Electrical Rating: Not Applicable
Type TCe – UPG Pilot Head
Type CVe – UP Pilot Light
Type TCe – USH Selector Switch Operator Head
Rotary Switch - Series US16
Example on how to determine the ratings for a Unicode 2 Control Station.
All technical information and recommendations contained in this instruction sheet are based on industry practices and standards we believe
to be reliable and accurate. It is the responsibility of the user to ensure the product is installed and used in safe manner that comply with all
national and local electrical codes acceptable to the authority having jurisdiction
Canadian Rating: CL II, Div 2, Grp FG; CL III
Ex e IIC; DIP A21
United States Rating: CL II, Div 2, Grp FG: CL III
CL I, Zone 1, AEx e IIC; AEx tD 21
Operating Temperature Range: -40°C ≤ Ta ≤ +60°C
Ingress Protection Rating: IP66
Enclosure Type Rating: Type 4X
Electrical Rating: Not Applicable
Canadian Rating: CL I, Div 2, Grp ABCD
Ex de IIC T6
United States Rating: CL I, Div 2, Grp ABCD
CL I, Zone 1, AEx de IIC
Operating Temperature Range: -40°C ≤ Ta ≤ +75°C
Ingress Protection Rating: Not Applicable
Enclosure Type Rating: Not Applicable
Electrical Rating: 12-264Vac, 50/60 Hz | 12-60Vdc
Canadian Rating: CL II, Div 2, Grp FG; CL III
Ex e IIC; DIP A21
United States Rating: CL II, Div 2, Grp FG: CL III
CL I, Zone 1, AEx e IIC; AEx tD 21
Operating Temperature Range: -20°C ≤ Ta ≤ +74°C
Ingress Protection Rating: IP66
Enclosure Type Rating: Type 4X
Electrical Rating: Not Applicable
Canadian Rating: CL I, Div 2, Grp ABCD T6
Ex de IIC T6
United States Rating: CL I, Div 2, Grp ABCD T6
CL I, Zone 1, AEx de IIC T6
Operating Temperature Range: -55°C ≤ Ta ≤ +80°C
Ingress Protection Rating: Not Applicable
Enclosure Type Rating: Not Applicable
Electrical Rating: A600 | 600Vac, 20A | N150 | 125Vdc, 10A
10
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