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Xiamen ZhiCheng Automation Technology Co., Ltd

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China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap
China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap

  1. China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap
  2. China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap
  3. China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap
  4. China 1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap

1756-PBXT/B - Dual 24VDC Redundant Power - Industrial Control Rugged Hot-Swap

  1. MOQ: 1
  2. Price: Negotiable
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Payment Terms T/T
Supply Ability 1/piece in stock
Delivery Time 3-7
Packaging Details 50*50*50mm
Compatibility ControlLogix chassis
Analog Inputs Thermocouple
Quality 100% new
Package Origin
Drive Type Fan & Pump
Mounting Panel Mount
Condition NEW
Product Type ControlLogix Module
Brand Name Allen Bradley
Model Number 1756-PBXT / B
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
Compatibility ControlLogix chassis Analog Inputs Thermocouple
Quality 100% new Package Origin
Drive Type Fan & Pump Mounting Panel Mount
Condition NEW Product Type ControlLogix Module
Brand Name Allen Bradley Model Number 1756-PBXT / B
Certification 3C Place of Origin America
High Light industrial allen bradley moduleindustrial allen bradley plcStandard allen bradley module

1.Product Overview

The ​Allen-Bradley 1756-PBXT/B Power Supply​ is a high-capacity, redundant AC/DC power module engineered for Rockwell Automation's ControlLogix® systems in mission-critical industrial applications. Designed with dual-input redundancy (100–240V AC ±10%, 47–63Hz), this hot-swappable unit delivers ​10A continuous load​ at 5.1V DC to power ControlLogix chassis, including processors and I/O modules. Featuring ​auto-ranging voltage detection​ and ​PowerFlex™ technology, it maintains ±1% voltage regulation during brownouts (down to 85V AC) and supports seamless transfer between main/backup sources. The rugged enclosure meets NEMA Type 12/4X/13 standards with -40°C to +70°C operation and includes diagnostic LEDs for phase loss, overload, and thermal fault alerts.


2.​Critical Technical Specifications

Robust power performance metrics:

  • Input Voltage: 100–240V AC (auto-sensing) / 85–264V DC (optional)
  • Output: ​Isolated 5.1V DC​ @ 10A continuous (60W) / 13A peak (5s)
  • Efficiency: 88% typical (Energy Star Level VI compliant)
  • Protections: ​Full-brick redundancy​ + short-circuit/overvoltage/overcurrent safeties
  • Hold-up Time: 20ms @ full load during power interruption
  • Inrush Current: <45A (NTC-limited)
  • Isolation: 3000V AC input-to-output / 1500V AC input-to-ground
  • Certifications: UL 61010-1, ATEX Cat 3 Zone 2, CE, cULus, RoHS
  • Harmonics: <10% THDi (EN 61000-3-2 Class A)

​3.Targeted Applications

Mission-critical power infrastructure:

  • Energy SCADA Systems: Uninterrupted PLC control in substations during grid fluctuations
  • Automotive Production: Robotic assembly line chassis power redundancy
  • Chemical Plants: Batch reactor control systems requiring SIL 2 compliance
  • Water Treatment: Pump station control cabinets exposed to humidity
  • Food Processing: Washdown-rated environments (IP65 with optional kit)
  • Pharmaceutical: Cleanroom manufacturing with EMI-sensitive equipment
  • Data Centers: Industrial-grade UPS bridging for critical automation

​4.Competitive Advantages

Reliability-driven innovations:

  • Zero Downtime Architecture: ​Hot-swap replacement​ without system shutdown
  • Phase Loss Immunity: Continuous operation during single-phasing events
  • Predictive Diagnostics: ​Temperature-compensated load forecasting​ alerts pre-failure
  • Energy Optimization: 3-stage input filtering reduces EMI by 90% versus competitors
  • Conformal Coating: Protects PCBs against corrosive atmospheres (H₂S/Cl₂)
  • Cabinet Space Savings: 20% smaller than legacy 1756-Px modules
  • Total Cost Reduction: 50,000+ hour MTBF decreases spare inventory costs

5.​Functional Capabilities

Advanced power management:

  • Distributed Smart Charging: Priorities processor/I/O power during startup
  • Voltage Sequencing: Controlled ramp-up prevents backplane surges
  • Redundancy Support: Parallel operation with ​1756-PB75​ for 20A capacity
  • Environmental Monitoring: Internal temp sensors adjust fan speed
  • Field Calibration: Software-correction of voltage drift (±0.25%)
  • Safety Integration: Compliant with ​NFPA 79 Arc Flash Reduction
  • Diagnostic Logging: Event-triggered power quality data via 1756-EN2T module

 

 

 

 

 

 

Attribute Category Specification Details
Model Number 1756-PBXT/B (Series B, Hazardous Location Rating)
Product Type Input/Output Power Supply for ControlLogix XT Chassis
Input Voltage Range: 120/240V AC (Auto-Sensing)
Frequency: 47–63 Hz
Output Power Total Capacity: 65W
Voltage: 1.8–5.25V DC (Logic Backplane) + 24V DC (I/O)
Current Ratings Backplane (5V): 5A max
I/O (24V): 2.7A max (shared)
Efficiency ≥ 85% (Typical at full load)
Isolation Input-to-Output: 1500V AC
Output-to-Backplane: Reinforced Isolation
Protection & Safety Overload: Auto-shutdown with recovery
Short-Circuit: Protected
Certifications: UL Class I Div 2, ATEX/IECEx Zone 2, CE, cULus
Environmental Ratings Operating Temp: -20°C to +70°C
Storage Temp: -40°C to +85°C
Humidity: 5–95% non-condensing
Shock/Vibration: 30g / 5g (IEC 60068)
Cooling Method Convection (Fanless)
Connection Removable Terminal Block (1756-TBCH)
Dimensions (H×W×D) 135 × 56 × 87 mm (Same as standard ControlLogix modules)
Compatible Chassis 1756-XT Series Only (Hazardous Environment Chassis)
Key Features • Harsh Environment Design (Corrosion/Contaminant Resistance)
• Redundancy Support (Parallel operation with 1756-PBXT2)
• Hot-Swappable
• Status Indicators: OK, Fault, Field Power

 

 

 

 

 

 

 

 

 

Packaging & Shipping

 
 

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

Bronze Gleitlager

,

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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

  • Reach Us
  • 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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