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Allen-Bradley

1756-PBXT | Allen Bradley | Power Supply Module

SKU 1756-PBXT

  • Part Number:

    1756-PBXT

  • Manufacturer:

    Allen-Bradley

  • Condition:

    Brand New & in Stock

  • Product Type:

    Power Supply Module

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

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Allen-Bradley 1756-PBXT Power Supply Module

The Allen-Bradley 1756-PBXT, also cataloged as the 1756-PBXT power supply module, provides regulated DC outputs for ControlLogix backplane systems, supporting multiple voltage rails with reinforced isolation.

Hardware Specifications

Parameter Specification
Model 1756-PBXT
Brand Allen-Bradley
Origin USA
Weight Not specified
Dimensions 14.0 × 11.2 × 14.5 cm (HxWxD)
Operating Temp -25 to +70 deg C
Storage Temp Not specified
Power Consumption 70 W input rating
Input Voltage 18…32 VDC
Output Capacity 2.1 A @ 24 VDC, 10.0 A @ 5.1 VDC, 4.0 A @ 3.3 VDC, 1.5 A @ 1.2 VDC
Max Output Power 52 W
Inrush Current 30 A max
Isolation Voltage 250 V continuous, reinforced insulation type
Enclosure Type Open-style (no enclosure)
Torque Requirement 0.565 N·m (5 lb·in)
Slot Width 1
Temperature Code T4

Firmware Flash Compatibility

The 1756-PBXT integrates into ControlLogix chassis with firmware flash compatibility across multiple voltage rails. Reinforced isolation ensures safe separation between input and backplane domains. Its multi-voltage outputs (5.1 V, 3.3 V, 1.2 V, and 24 VDC) support diverse module requirements, while inrush current limiting stabilizes startup conditions.

Frequently Asked Questions

Q: What is the maximum inrush current during startup? A: The module supports up to 30 A inrush current at power-up.

Q: Does the module provide reinforced isolation? A: Yes, it provides 250 V continuous reinforced insulation between input and backplane.

Q: What is the maximum output power capacity? A: The module delivers up to 52 W across its voltage rails.

Field Installation Guidelines

  • Mount the module in ControlLogix chassis slots with adequate ventilation.
  • Ensure torque of 0.565 N·m (5 lb·in) on terminal screws for secure connections.
  • Maintain ambient temperature between -25 and +70 deg C for stable operation.
  • Route DC input wiring separately from signal conductors to minimize interference.
  • Verify backplane seating before energizing the system.
Related Tags:
Allen-Bradley CompactLogix Power Supply Module
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Read next

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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