12
Rockwell Automation Publication 1756-IN620D-EN-P - October 2018
ControlLogix Redundant Power Supply
Specifications
Attribute
1756-PSCA2/
1756-PSCA2K
1756-PSCA2XT
1756-PAXTR
1756-PBXTR
1756-PA75R/
1756-PA75RK
1756-PB75R/
1756-PB75RK
Voltage and current ratings
Input
N/A
N/A
120/240V AC,
50/60 Hz, 75VA,
65 W
24V DC, 81W
120/240V AC,
50/60 Hz, 120VA,
115 W
24V DC, 110 W
Output (current capacity)
2.8 A, 24V DC;
15.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC
2.8 A, 24V DC;
15.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC
1.75 A, 24V DC;
8.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC;
42 W max,
20 A inrush max
2.1 A, 24V DC;
10.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC;
52 W max,
30 A inrush max
2.8 A, 24V DC;
13.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC;
75 W max,
20 A inrush max
2.8 A, 24V DC;
13.0 A, 5.1V DC;
4.0 A, 3.3V DC;
1.5 A, 1.2V DC;
75 W max,
20 A inrush max
Annunciator
N/A
N/A
240V AC
50/60 HZ,
240V DC, 50 mA,
resistive only
240V AC
50/60 HZ,
240V DC, 50 mA,
resistive only
90V DC for
ATEX/IECEx
240V AC
50/60 HZ,
240V DC, 50 mA,
resistive only
240V AC
50/60 HZ, 240V DC,
50 mA, resistive
only
90V DC for
ATEX/IECEx
Isolation voltage
N/A
250V (continuous), Reinforced Insulation Type, Power Input to Backplane, Power Input to
Annunciator, Annunciator to Backplane
All supply frequencies or frequency ranges, if AC supply is
used
N/A
47…63 Hz
N/A
47…63 Hz
N/A
Temperature, operating
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock)
0 °C < Ta < +60 °C
(32 °F < Ta <
+140 °F)
-25 °C < Ta < +70 °C (-13°F < Ta < +158 °F)
0°C < Ta < +60 °C
(32 °F < Ta < +140 °F)
Temperature, surrounding air, max
60 °C (140 °F)
70 °C (158 °F)
60 °C (140 °F)
Enclosure type rating
None (open-style)
Torque
N/A
0.565 N•m (5 lb•in)
Wire size
N/A
Power: 2.5 mm2 (14 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater,
1.2 mm (3/64 in.) insulation max
Annunciator: 0.25…2.5 mm2 (22…14 AWG) solid or stranded copper wire rated at
90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation max
Protective earth ground
N/A
2.5 mm2 (14 AWG) solid or stranded copper wire rated at 90 °C (194 °F) or greater
Pilot duty rating
N/A
Annunciator: Not Rated
North American temperature code
T5
T4A
T3C
T4
ATEX temperature code
T4
-
T4
-
T4
IECEx temperature code
T4
-
T4
-
T4