1756-PA72
The Allen-Bradley 1756-PA72 is a ControlLogix Standard Power Supply. This Power Supply has an input Voltage of 85-265VAC with Nominal supply of 120V/240VAC. It has a Current capacity of 4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC. It has an output power rating of 75 W @ 0…+60 °C (+32…+140 °F).
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Technical specifications for 1756-PA72
| Manufacturer | Rockwell Automation |
|---|---|
| Dimensions | 14.0 x 11.2 x 14.5 cm (5.51 x 4.41 x 5.71 in.) |
| Weight | 0.95 kg (2.10 lb) |
| Module Type | Standard DC Power Supply |
| Series | ControlLogix |
| Part Number/Catalog No. | 1756-PA72 |
| Brand | Allen-Bradley |
| Nom Input Voltage | 120/240VAC |
| Input Voltage Range | 85-265VAC |
| Isolation Voltage | 250 Volts Continuous |
| Max Inrush Current | 30 Amperes |
| Current Capacity | 4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC |
| Hold Up time | 5 cycles @ 85V AC, 50/60 Hz 6 cycles @ 120V AC, 50/60 Hz 6 cycles @ 200V AC, 50/60 Hz 6 cycles @ 240V AC, 50/60 Hz |
| Location | 1756 Chassis Left Side |
| Chassis Compatibility | 1756-A4/A, 1756-A7/A, 1756-A10/A, 1756-A13/A, 1756-A17/A, 1756-A4/B, 1756-A7/B, 1756-A10/B, 1756-A13/B, 1756-A17/B, 1756-A4/C, 1756-A7/C, 1756-A10/C, 1756-A13/C, 1756-A17/C |
| Input Voltage | 120-240 Volts AC |
| Voltage Range | 85-265 Volts AC |
| Input Power | 100 Watts |
| Input Frequency | 47-63 Hertz |
| Power Output | 75 Watts at 60 Celsius |
| Chassis | Series A or B |
| Location | Chassis - Left Side |
| Operating Temperature | 32-140 Fahrenheit (0-60 Celsius) |
| Enclosure | None |
| UPC | 10612598172594 |
The Allen-Bradley 1756-PA72 is a Standard Power Supply that is mainly used to deliver power to the backplane of a 1756 ControlLogix chassis, enabling each of module attached to the chassis to operate. The 1756-PA72 is designed to accept an input voltage range of 85-265 VAC with frequency range of 47-63 Hz. It delivers an output power of 75 W @ 0-60 °C (+32…+140 °F) with Current capacities of 4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC.
The 1756-PA72 has a hold-up time of 5 cycles @ 85VAC, 50/60 Hz; 6 cycles @ 120VAC, 50/60 Hz; 6 cycles @ 200VAC, 50/60 Hz and 6 cycles @ 240V AC, 50/60 Hz. Hold-up time refers to the power supply’s reaction from the removal of the input voltage and DC power failure.
The 1756-PA72 is installed at the left most location of the chassis. It has a dedicated slot assignment, outside the chassis and does not occupy a ControlLogix slot. It may be installed in different ControlLogix chassis such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17, whether Series A, B and C. This power supply weighs approximately 0.95 kg (2.10 lb) with physical dimensions of 14.0 x 11.2 x 14.5 cm (5.51 x 4.41 x 5.71 in.). This module, along the ControlLogix chassis has an open-type enclosure, therefore, requires installation inside an enclosure that protects the hardware from industrial contaminants and interferences. The 1756-PA72 may not be used is redundant power supply applications however, it may also be used in Distributed I/O architecture.
The 1756-PA72 has a power consumption of 25 Watts at 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit). This power supply has a power dissipation of 85.3 BTU/hour and a power supply with a maximum inrush current of 20 A. The Allen-Bradley 1756-PA72 provides built-in overcurrent protection. It is user-supplied at a maximum of 15 A. The maximum transformer load of this power supply is 100VA and the voltage isolation is 250 Volts continuous. The 1756-PA72 also has a reinforced insulation type tested at 3500 Volts DC for 60 seconds. The Allen-Bradley 1756-PA72 is open type equipment. This power supply should be installed in an appropriate enclosure that is designed for certain environmental conditions. The inside of the enclosure should be accessible only with a tool. Please see the user manual from the NEMA Standard 250 and IEC 60529 publications for an explanation of the level of protection afforded by different types of enclosures.
| Revision Part # | Also known as | |
|---|---|---|
| 1756-PA72 Ser A | 1756-PA72/A, Series A, Rev A | Request a quote |
| 1756-PA72 Ser B | 1756-PA72/B, Series B, Rev B | Request a quote |
| 1756-PA72 Ser C | 1756-PA72/C, Series C, Rev C | Request a quote |
| Don't see your particular revision? Contact us now. | ||
- 1756PA72
- L756-PA72
- L756PA72
Our highly skilled technicians can repair your ControlLogix 1756-PA72. All our repairs come with a 1 Year Warranty. Please contact us for additional information about our repair process.
What type of input voltage does this module have?
The input voltage for the 1756-PA72 rests between 120 and 240 Volts of AC power.
What kind of enclosure is required for the 1756-PA72?
The 1756-PA72 does not require any type of enclosure to function.
Can this module be purchased with a warranty?
Yes, the 1756-PA72 comes with a free one-year warranty from DO Supply, Inc.
What is the input frequency for this module?
The 1756-PA72 has an input frequency between 47 and 63 Hertz.
What kind of chassis does this unit require?
The 1756-PA72 uses the series A or series B chassis.
Where can I send the 1756-PA72 to be repaired?
DO Supply, Inc. offers a variety of repair services for the 1756-PA72.
What is the difference between the 1756-PA72 and 1756-PA50?
The main difference lies in the output power and current capacities. The 1756-PA72 has higher output rating in both categories.
Can I use the 1756-PA72 in redundant power supply requirements?
No. For redundant power supply designs, use a ControlLogix power supply with “R” in its part number such as 1756-PA75R.
Can I used the 1756-PA72 to power distributed I/O racks?
Yes. As long as the distributed I/O rack uses 1756 ControlLogix chassis, the 1756- PA72 is applicable.
Allen Bradley ControlLogix AC Power Supply Module with 120-240 Volts AC Input Voltage
The 1756-PA72 is a ControlLogix power supply that has significantly higher output capacities compared to the 1756-PA50. This power supply features output rating of 75 W, with current capacities of 4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC. For longer racks with high-density of module’s installed, the 1756-PA72 is the ideal module. Similarly, for systems that is designed to be expanded during the course of operation, it is recommended to use a power supply such as the 1756-PA72 as it can provide the necessary provision for installation of additional modules in the vacant slots of the chassis.