Rockwell Automation Publication 1756-IN619A-EN-P - April 2016 5
ControlLogix Power Supply
Tools Required
When installing the standard or ControlLogix-XT versions of your 1756 chassis and power supplies, the following items are required:
• 3.18 mm (0.125 in.) slotted screwdriver
• 6.35 mm (0.25 in.) slotted or #2 Phillips screwdriver
• Torque screwdriver
• Needle-nose pliers
•Crimper
•Wire stripper
•Drill
IEC Hazardous Location Approval
The following applies to products with IECEx certification:
• Such modules are intended for use in areas in which explosive atmospheres caused by gases, vapors, mists, or air are unlikely to occur, or are likely to occur only infrequently and for short periods.
Such locations correspond to Zone 2 classification to IEC 60079-0.
• Such modules may have catalog numbers followed by a “K” to indicate a conformal coating option.
• The type of protection for 1756-PB50, 1756-PB72, 1756-PB75, 1756-PBXT, and 1756-PB30XT, is “Ex nA IIC T4 Gc” according to IEC 60079-15.
• The 1756-PB50, 1756-PB72, 1756-PB75, 1756-PBXT, and 1756-PB30XT comply to Standards IEC 60079-0:2011, IEC 60079-15:2010, reference IECEx certificate number IECExUL14.0008X.
ATEX and IECEx Hazardous Location Conformity
Model Protection Type ATEX Certificate IECEx Certificate
1756-PA50 None — —
1756-PA72 None — —
1756-PA75 None — —
1756-PB50 Ex nA IIC T4 Gc DEMKO13ATEX1325026X IECEx UL 14.0008X
1756-PB72 Ex nA IIC T4 Gc DEMKO13ATEX1325026X IECEx UL 14.0008X
1756-PB75 Ex nA IIC T4 Gc DEMKO13ATEX1325026X IECEx UL 14.0008X
1756-PC75 None — —
1756-PH75 None — —
1756-PAXT None — —
1756-PBXT Ex nA IIC T4 Gc DEMKO13ATEX1325026X IECEx UL 14.0008X
1756-PA30XT None — —
1756-PB30XT Ex nA IIC T4 Gc DEMKO13ATEX1325026X IECEx UL 14.0008X
WARNING: Removable Terminal Blocks
When you connect or disconnect the Removable Terminal Block (RTB) with field side power applied, an electrical arc can occur. This could cause an explosion in
hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
If you connect or disconnect wiring while the field-side power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
ATTENTION: Make sure the chassis is mounted and all panel fabrication is complete before you remove the protective label. This label protects the power supply
from metal shavings falling inside the power supply and damaging it during operation.
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