The Allen-Bradley 1756-PB72 is a ControlLogix standard DC power supply designed to efficiently power the backplane of ControlLogix chassis. This module supports a nominal input voltage of 24V DC and is essential for reliable operation.
General Specifications
Model: 1756-PB72
Module Type: Standard DC Power Supply
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)
UPC: 10612598172600
Enclosure: None
Electrical Characteristics
Input Voltage: 24 Volts DC
Voltage Range: 18-32 Volts DC
Input Power: 95 Watts
Power Output: 75 Watts at 60°C (140°F)
Max Inrush Current: 30 Amperes
Current Capacity:
1.5 A at 1.2 V
2 A at 3.3 V
8 A at 50°C (122°F) at 5.1 V
6 A at 60°C (140°F) at 5.1 V
2.5 A at 50°C (122°F) at 24 V
2.0 A at 60°C (140°F) at 24 V
Hold-Up Time
Hold-Up Time:
35 ms at 18 V DC
40 ms at 24 V DC
40 ms at 32 V DC
Installation and Compatibility
Location: Installed at the left side of the 1756 chassis
Chassis Compatibility: Works with 1756-A4/A, 1756-A7/A, 1756-A10/A, 1756-A13/A, 1756-A17/A (Series A, B, and C)
Operating Conditions
Operating Temperature: 0-60°C (32-140°F)
Non-Operating Temperature: -40 to 85°C (-40 to 185°F)
Relative Humidity: 5-95% non-condensing
Operational Vibration: 2 G at 10-500 Hz
Operating Shock: 30 G
Non-Operating Shock: 50 G
Safety Features
Isolation Voltage: 250V (continuous); Reinforced Insulation Type
Type Tested: Power input to backplane tested at 3500V DC for 60 seconds
Surge Transient Immunity: ±1 kV line-to-line; ±2 kV line-to-earth on signal ports
Conducted RF Immunity: 10 Vrms with 1 kHz sine wave, 80% AM from 150 kHz to 80 MHz
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: 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.
Question 4: What Shipping Methods Do We Use?
Answer 4: 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.
Question 5: What Is Our Delivery Time?
Answer 5: 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.
Question 6: How Do We Package The Goods?
Answer 6: 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.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: 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.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
