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PRODUCT DESCRIPTION
1756-PA72 AC Chassis Power Supply
Allen-Bradley 1756-PA72 is an ac chassis power supply in the ControlLogix 1756 range. It is used for powering compatible ControlLogix chassis electronics in compatible industrial automation systems.
The supply fits the left side of a compatible 1756 chassis and powers its 1.2 V, 3.3 V, 5.1 V and 24 V backplane circuits. Individual current ratings share a seventy-five-watt combined limit. The listed technical data describe the Series C execution, so chassis series, nameplate and power-loading requirements must be checked for the supplied unit.
The supply fits the left side of a compatible 1756 chassis and powers its 1.2 V, 3.3 V, 5.1 V and 24 V backplane circuits. Individual current ratings share a seventy-five-watt combined limit. The listed technical data describe the Series C execution, so chassis series, nameplate and power-loading requirements must be checked for the supplied unit.
BEFORE YOU BUY
Confirm the complete ac chassis power supply
ACTUAL APPLICATIONS
Application context for 1756-PA72
1756-PA72 is an ac chassis power supply for ControlLogix 1756. Its industrial scope includes chemical processing, metals production, power generation. Suitability depends on the accepted system, electrical interfaces and operating conditions.
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01 · CHEMICAL PROCESSING
Chemical and Petrochemical Manufacturing and Production
Chemical Production Process AutomationPetrochemical Processing and Production -
02 · METALS PRODUCTION
Metal Production and Materials Processing
Steel Rolling Process ControlMetal Forming and Finishing -
03 · POWER GENERATION
Electric Power Generation and Energy Production
Electric Power Generation ControlIndustrial Cogeneration Process Automation
Technical specifications for 1756-PA72
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Product Model1756-PA72
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Product ParametersAC Chassis Power Supply
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In stock9 units
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ManufacturerAllen-Bradley
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AC input voltage range85–265 V
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Nominal mains input120 V or 240 V AC
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Input frequency range47–63 Hz
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Maximum input power100 W / 100 VA
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Combined backplane output limit75 W
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Maximum inrush20 A
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Supply hold-up, Series C5 cycles at 85 V; 6 cycles at 120/200/240 V, 50/60 Hz
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Backplane current at 1.2 V1.5 A
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Backplane current at 3.3 V4 A
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Backplane current at 5.1 V10 A
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Backplane current at 24 V2.8 A
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Continuous isolation voltage250 V, reinforced insulation
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Isolation withstand test3500 V DC for 60 s
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Conductor terminal torque0.565 N·m
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Operating ambient0–60 ℃, documented Series C
View all additional
Alternative Names
1756-PA72
ControlLogix 1756 AC Chassis Power Supply
ControlLogix 75 W AC Backplane Supply
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 1756-PA72 ac chassis power supply
Integrate 1756-PA72 only in the documented ControlLogix 1756 configuration. Match the installed interfaces and the engineered application before selecting this ac chassis power supply.
The supply fits the left side of a compatible 1756 chassis and powers its 1.2 V, 3.3 V, 5.1 V and 24 V backplane circuits. Individual current ratings share a seventy-five-watt combined limit. The listed technical data describe the Series C execution, so chassis series, nameplate and power-loading requirements must be checked for the supplied unit.
Use the applicable controlled instructions for ControlLogix 1756. Validate the assigned signals, communication or output behaviour and retain the accepted configuration for 1756-PA72.
Features:
- AC input voltage range: 85–265 V
- Nominal mains input: 120 V or 240 V AC
- Input frequency range: 47–63 Hz
The 1756-PA72 ac chassis power supply requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 1756-PA72 ac chassis power supply
Confirm the complete 1756-PA72 identity and installed ControlLogix 1756 execution before replacement. Compare the connector arrangement and the technical values required by the existing project.
Record the ac chassis power supply connections, project settings and associated accessories. Preserve the accepted configuration and isolate the affected circuits before exchange.
After fitting 1756-PA72, restore the verified configuration and test every affected function. Retain the identification, diagnostic results and final acceptance record for the ControlLogix 1756 equipment.
Features:
- AC input voltage range: 85–265 V
- Nominal mains input: 120 V or 240 V AC
- Input frequency range: 47–63 Hz
The 1756-PA72 ac chassis power supply requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 1756-PA72 ac chassis power supply must be checked for document applicability before installation or commissioning.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size11 × 14.5 × 14cm
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Shipping weight1.00kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8504401990
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OriginUnited States
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 1756-PA72
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which AC input range is listed for PA72?
For 1756-PA72, the documented ac input voltage range is 85–265 V. -
What nominal mains ratings suit the ControlLogix supply?
For 1756-PA72, the documented nominal mains input is 120 V or 240 V AC. -
What line-frequency interval is accepted by PA72?
For 1756-PA72, the documented input frequency range is 47–63 Hz. -
What maximum input-power allowance does PA72 require?
For 1756-PA72, the documented maximum input power is 100 W / 100 VA. -
What combined backplane power ceiling applies to PA72?
For 1756-PA72, the documented combined backplane output limit is 75 W. -
What inrush-current peak is specified for PA72?
For 1756-PA72, the documented maximum inrush is 20 A. -
What chassis loading information supports a PA72 quotation?
Identify 1756-PA72, its required series, 1756 chassis type and rail-current totals. Provide the mains rating and label photograph so the offered supply fits the accepted ControlLogix arrangement. -
How should a delivered ControlLogix supply be inspected?
Compare the 1756-PA72 nameplate, series marking, power terminals and chassis connector with the order. Confirm the mounting fit and loading plan before controlled power-up.
READY TO VERIFY YOUR PART?
Get a 1756-PA72 quote with price, lead time and revision check.
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Product
Product Browsing History
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1756-PA72AC Chassis Power SupplyManufacturer: Allen-BradleyView Details
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