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Xiamen ZhiCheng Automation Technology Co., Ltd

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China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal
China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal

  1. China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal
  2. China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal
  3. China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal
  4. China Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal

Allen Bradley 1756-PA72/C - Dual 24VDC Output - Industrial Control Rugged Metal

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Payment Terms T/T
Supply Ability 1/piece in stock
Delivery Time 3-7
Packaging Details 50*50*50mm
Condition New
Input Current 1.5A
Communication Rate 10/100 Mbps
Isolation Voltage 1500 Volts
Wire Type Copper
Series ControlLogix
Weight 2.2 pounds
Output Current 1.5A
Brand Name Allen Bradley
Model Number 1756-PA72/C
Certification 3C
Place of Origin America

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 1/piece in stock
Delivery Time 3-7 Packaging Details 50*50*50mm
Condition New Input Current 1.5A
Communication Rate 10/100 Mbps Isolation Voltage 1500 Volts
Wire Type Copper Series ControlLogix
Weight 2.2 pounds Output Current 1.5A
Brand Name Allen Bradley Model Number 1756-PA72/C
Certification 3C Place of Origin America
High Light 24vdc allen bradley moduleindustrial Allen Bradley 1756-PA72/C24vdc Allen Bradley 1756-PA72/C

1.​Product Overview

The ​Allen-Bradley 1756-PA72/C ControlLogix Power Supply​ delivers redundant 24V DC power for mission-critical automation systems. Designed as a ​hot-swappable, dual-slot module​ for Rockwell Automation's ControlLogix chassis, it provides 72W of isolated power (3A continuous @ 24V DC) with ​N+1 redundancy support. Its rugged aluminum housing (–40°C to +70°C) features integrated cooling fins and withstands 5g vibration (IEC 60068-2-6), ideal for harsh environments. The supply includes ​active current-sharing technology​ for parallel operation and embedded diagnostics for voltage/load monitoring. Key certifications include ATEX Zone 2 and SIL 2 compliance, ensuring reliable operation in hazardous locations and safety-critical processes.


​2.Critical Technical Specifications

Core performance parameters:

  • Output Power: 72W (3A continuous @ 24V DC ±1%)
  • Input Range: 85–265V AC (50/60 Hz) or 120–250V DC
  • Efficiency: 88% typical (EN 61204-3 compliant)
  • Redundancy: Parallel operation with ≤5% load imbalance
  • Protections: Short-circuit (auto-recovery), over-temperature (90°C shutdown), over-voltage (28V clamp)
  • Isolation: 1500V AC input-to-output (EN 50178)
  • Ripple Noise: <150mVpp (20MHz bandwidth)
  • MTBF: >500,000 hours @ 40°C (IEC 61709)
  • Certifications: UL 508, ATEX II 3G Ex ec IIC T80°C Gc, SIL 2 (IEC 61508)

​3.Targeted Applications

Critical power scenarios:

  • Oil & Gas: Safety shutdown system (SIS) cabinets in ATEX Zone 2 locations
  • Pharmaceuticals: Redundant power for bioreactor control systems (21 CFR Part 11 compliant)
  • Power Generation: Turbine control chassis requiring SIL 2-rated UPS backup
  • Water Treatment: Flood-resistant pump station controls (NEMA 4X/IP66 enclosures)
  • Automotive: Robotic welding cell controllers with <10ms power-fail ride-through
  • Mining: Vibration-tolerant power for conveyor PLCs in Group I/II hazardous areas
    Ideal for systems requiring zero downtime, such as safety interlocks and continuous process lines.

4.​Competitive Advantages

Operational superiorities:

  • Redundancy Without Complexity: Auto-load balancing enables plug-and-play N+1 configurations
  • Space Optimization: 2-slot form factor saves 40% chassis space vs. traditional PSUs
  • Predictive Diagnostics: Output voltage/current monitoring via ControlLogix tags
  • Wide Input Tolerance: Operates from 85V AC during brownouts or 250V DC for battery backup
  • Global Compliance: Single SKU supports worldwide voltages/certifications
  • Maintenance Efficiency: Hot-swappable design reduces MTTR to <2 minutes
  • Lifecycle Cost: 50,000+ power cycles (2× industry standard) with fanless cooling

​5.Functional Capabilities

Advanced power management:

  • Active Current Sharing: Parallel modules auto-balance within 0.5A tolerance
  • Status Monitoring: Reports PSU health via 1756 backplane to Studio 5000®
  • Hot-Swap Operation: Replace modules under live load without system interruption
  • Brownout Resilience: Holds output regulation during 15ms input interruptions
  • Fuse-Less Protection: Solid-state current limiting replaces replaceable fuses
  • Redundancy Syncing: LED indicators show master/slave status and load distribution
  • Safety Integration: SIL 2 compliance for safety PLCs with <10ms fault detection
  • Chassis Coordination: Auto-synchronizes with 1756-PSCA power monitors

 

 

 

 

 

 

Parameter Category Specification / Value
Product Description 120/240V AC Input, 24V DC Output Power Supply for ControlLogix Chassis (Redundancy-Capable)
Input Voltage Range AC: 85-132V AC / 170-265V AC (50/60 Hz)
DC: 125-250V DC (Ripple ≤ 10%)
Output Power 72W Continuous (100W Peak for 500 ms)
Output Voltage 24V DC Nominal (±1% Ripple, 1.0V p-p max)
Output Current 3.0A Continuous @ 24V DC (Derating Required Above 40°C)
Hold-up Time ≥ 20 ms @ Full Load
Efficiency ≥ 85% @ Full Load
Redundancy Support Parallel Operation Capable (Up to 4 Units with 1756-CNB Redundancy Module)
Redundancy Current Share Active Current Balancing (±5% Accuracy)
Protection Features • Short-Circuit (Auto-Recovery)
• Overvoltage (28V DC Clamping)
• Overtemperature (Shutdown @ 85°C)
Status Indicators Green (Power OK), Red (Fault), Yellow (Redundancy Active)
Backplane Connection 1756 High-Density Connector (Supplies 1.5V, 3.3V, 5V, ±12V to Chassis)
Chassis Compatibility 1756-A4, A7, A10, A13, A17 (4- to 17-Slot Chassis)
Inrush Current Limit 40A Peak @ 120V AC (NTC Thermistor)
Isolation Input-to-Output: 1500V AC
Output-to-Ground: 500V AC
Cooling Method Convection (Fanless)
Operating Temperature 0°C to 60°C (32°F to 140°F)
Derating: Linear from 40°C (100%) to 60°C (50%)
Relative Humidity 5-95% (Non-Condensing)
Certifications cULus Listed (UL 508), CE, ATEX/IECEx Zone 2, RoHS, UKCA
Dimensions (H × W × D) 89 × 135 × 115 mm (3.5 × 5.3 × 4.5 in)
Weight 1.2 kg (2.65 lb)

 

 

 

 

 

 

 

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Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
more about us , u can view our official web:http://www.zcsensors.com/follow us :

1)https://www.facebook.com/Sensors-and-transmitters-1883785301860678/?ref=aymt_homepage_panel&boosted_auto_open=BOOSTED_PAGELIKE

2)https://www.linkedin.com/in/z-csensorcenter/detail/recent-activity/shares/


With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are

 

perfectly.

 

 

we are major in PLC,Sensors,HIM,Transmitters.


Best Supply Brands As Following:1)Bently nevada.2)+GF+.3)Rosemount.4)ABB.5)Allen-Bradley.6)Foxobro.Good working environment, perfect team, sincere cooperation →→ Achieve u and our success !!!

 

Company Details

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,

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 and 

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 from Quality China Factory
  • Business Type:

    Manufacturer,Agent,Exporter,Trading Company

  • Year Established:

    2017

  • Total Annual:

    3000000-5000000

  • Employee Number:

    100~120

  • Ecer Certification:

    Verified Supplier

Xiamen Zhicheng Automation Technology Co., Ltd. Still Working And Able To Shipping Worldwide. We Are The Supplier For Industrial Automation Spare Parts. we Specialize In Plc Module, Dcs Card Pieces, Esd System Card Pieces, Vibration Monitoring System Card Pieces, Steam Turbine Control System M... Xiamen Zhicheng Automation Technology Co., Ltd. Still Working And Able To Shipping Worldwide. We Are The Supplier For Industrial Automation Spare Parts. we Specialize In Plc Module, Dcs Card Pieces, Esd System Card Pieces, Vibration Monitoring System Card Pieces, Steam Turbine Control System M...

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Get in touch with us

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  • Xiamen ZhiCheng Automation Technology Co., Ltd
  • 903-3, building F02, phase III Software Park, Jimei district, Xiamen city,CHINA
  • https://www.sensor-industrial.com/

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