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1447SN4 Single Door Disconnect Enclosures - NEMA 4
ABB Controls, Allen Bradley, Cutler Hammer, General Electric, Siemens I-T-E Max-Flex™, Square D
Application
- Designed to house the following safety disconnect equipment:
- ABB Controls flange-mounted
variable depth operating mechanism for disconnect switches and circuit
breakers. Cable version for circuit breakers also available.
- Allen Bradley 1494V variable depth
flange mounted disconnect switches and circuit breaker operators NEMA 4
rated. Will not accept Allen Bradley 1494F disconnect switches, 1494D
circuit breaker operators or 1494V-R1, -R2, or -W2 operating handles.
- C-H Westinghouse C361 variable
depth flange mounted disconnect switches and C371 circuit breaker
operators, and also Flex-Shaft™ handle mechanism for circuit breakers.
Use Cutler Hammer NEMA 4 rated operating handles to maintain NEMA 4
integrity.
- General Electric Type STDA flange
handles and variable depth operating mechanism for disconnect switches
and circuit breakers. Also Spectra-Flex™ cable operators for circuit
breakers.
- Siemens I-T-E Max-Flex™ flange mounted variable depth handles for disconnect switches and circuit breakers. Use handle for NEMA 4.
- Square D class 9422 disconnect
switches with flange-mounted variable depth operating mechanisms or
cable mechanisms and Class 9422 flange-mounted variable depth
operating mechanisms or cable mechanisms for circuit breakers. SN4
enclosures will not accept Square D Class 9422 bracket-mounted
disconnect devices, 9422TG1 or TG2 devices.
Standards
- UL 508 Type 3R, 4
- CSA Type 3R, 4
- Complies with
- NEMA Type 3R, 4, 12
- JIC EGP-1-1967
- IEC 60529, IP66
- Appropriate components are required to maintain these standards.
Construction
- Formed 14-gauge steel.
- Continuously welded seams.
- Larger sizes include door and body stiffeners.
- Welded brackets provide for enclosure mounting.
- Formed lip on door and enclosure exclude flowing liquids and contaminants.
- Cutouts and holes are provided to suit the flange handle operating mechanism.
- Continuously hinged doors may be removed by pulling the stainless steel hinge pin.
- Door is secured with easily operated stainless steel clamps.
- Cover interlock bracket is welded to the door.
- Collar studs are provided for mounting inner panels.
- A removable 12 gauge inner panel is included.
- Oil resistant gaskets are permanently secured and mechanically retained.
- A bonding stud is provided on the door and a grounding stud is provided in the enclosure.
- A literature pocket is provided for the inside of the door.
Note
- Disconnects and operating mechanisms are not provided
with the enclosure, and must be ordered separately from the
manufacturer.
Finish
- Door and enclosure are phosphatized and finished in ANSI 61 gray powder coating.
- Inner panel is finished in white powder coating.
Accessories
- Additional inner panels
- Air conditioners
- Blowers
- Breather Kits
- Door stop kits
- Floor stand kits
- Heaters
- Thermostats
- Window kits
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Panel Size
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Mounting Centers
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Part No.
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A
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B
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C
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D
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E
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F
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G
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Ship Wt. lbs.
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1447SN4B8
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24
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21.38
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8
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21
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17
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15.38
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25.25
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60
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1447SN4C8
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24
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25.38
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8
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21
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21
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19.38
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25.25
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73
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1447SN4E8
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30
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25.38
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8
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27
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21
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19.38
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31.25
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90
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1447SN4F8
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36
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25.38
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8
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33
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21
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19.38
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37.25
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100
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1447SN4G8
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36
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31.38
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8
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33
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27
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25.38
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37.25
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123
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1447SN4H12
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42
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31.38
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12
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39
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27
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25.38
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43.25
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152
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1447SN4J12
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42
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37.38
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12
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39
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33
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31.38
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43.25
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200
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1447SN4K12
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48
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37.38
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12
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45
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33
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31.38
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49.25
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220
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1447SN4L12
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60
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37.38
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12
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57
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33
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31.38
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61.25
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265
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