Allen Bradley 1336-PB-SP5A Pre-Charge Circuit Board
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Type | Pre-Charge Circuit Board |
| Product Family | 1336 Series |
| Catalog Number | 1336-PB-SP5A |
| Circuit Board Type | Pre-Charge Control PCB |
| Primary Function | Controls the pre-charge process of the DC bus in an AC drive |
| Application | Allen-Bradley 1336 series adjustable frequency AC drives |
| Drive Configuration | Common Bus applications |
| Pre-Charge Function | Limits inrush current during DC bus charging |
| Main Purpose | Protects DC bus capacitors and power components during drive startup |
| Installation Location | Internal drive control/power section |
| Typical Application | Replacement of a failed or damaged pre-charge circuit board |
| Related Drive Configuration | 1336STEF and applicable 1336 series configurations |
| Circuit Role | Coordinates the initial charging sequence of the DC bus |
| Maintenance Type | Internal drive component replacement |
| Dimensions | 130 × 25 × 100 mm |
| Weight | 0.16 kg |
FAQ
1. What is the main function of the Allen-Bradley 1336-PB-SP5A?
The 1336-PB-SP5A is a pre-charge circuit board used in Allen-Bradley 1336 series AC drives. Its primary function is to control the initial charging of the DC bus and limit the inrush current that occurs when the drive is energized.
2. Why is the pre-charge circuit important in a 1336 AC drive?
The DC bus contains large capacitors that can draw a high current when power is first applied. The pre-charge circuit limits this initial current and allows the DC bus voltage to build up in a controlled manner, reducing stress on capacitors, switching devices, and other power components.
3. What type of drive application is the 1336-PB-SP5A associated with?
The 1336-PB-SP5A is associated with Allen-Bradley 1336 series adjustable frequency AC drives and is used in applicable common-bus configurations. Compatibility should be confirmed against the complete drive catalog number and hardware revision before replacement.
4. What symptoms can indicate a problem with the 1336-PB-SP5A?
Possible symptoms include failure of the drive to complete its startup sequence, abnormal DC bus charging, pre-charge-related faults, or abnormal behavior when the drive is energized. These symptoms can also be caused by other components in the pre-charge circuit, so the entire circuit should be checked.
5. How can a suspected 1336-PB-SP5A fault be diagnosed?
First disconnect all power sources and verify that the DC bus has been safely discharged. Inspect the PCB for burnt components, discoloration, damaged terminals, loose connectors, or other visible abnormalities. The associated pre-charge resistor, contactor, wiring, DC bus capacitors, and control circuits should also be tested before replacing the board.
6. Can a defective pre-charge circuit board prevent the drive from starting?
Yes. If the pre-charge sequence is not controlled correctly, the DC bus may fail to reach the required operating condition. The drive can then remain in a fault or non-operational state to protect its power circuitry.
7. What should be checked before installing a replacement 1336-PB-SP5A?
Verify the complete drive catalog number, voltage class, power rating, drive series, common-bus configuration, and the identification markings on the original PCB. The surrounding pre-charge components and wiring should also be inspected to make sure an external fault will not damage the replacement board.
8. Why should the cause of the original failure be identified before replacing the PCB?
Replacing only the circuit board may not solve the underlying problem. A failed pre-charge resistor, damaged contactor, deteriorated DC bus capacitor, wiring fault, or control-circuit problem can cause a replacement PCB to fail again. Checking the complete pre-charge circuit helps ensure reliable operation after the repair.
Allen Bradley 1336-PB-SP5A Pre-Charge Circuit Board is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
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The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
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We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
