AEG MODICON P933 Gould Power Supply 8923-2084 G9005A

( Brand: Aeg Modicon ), ( Manufacturer Part Number: P933 ), ( Part Type: Supply ), ( Unit Of Measure: Unit ), ( Country Of Origin: France )

Review AEG MODICON Gould Power Supply Rev h

The **ABB (formerly Allen-Bradley) Modicon P933 Gould Power Supply (Part Number 8923-2084, Model G9005A, Revision H)** is a high-performance, industrial-grade power supply designed to deliver reliable and stable electrical power to Modicon P933 programmable logic controllers (PLCs) and related automation systems. This robust unit is engineered to meet the stringent demands of harsh industrial environments, ensuring uninterrupted operation for critical control applications. With a nominal input voltage range of **208V AC (single-phase)**, the power supply is optimized for North American electrical infrastructure, providing a consistent **24V DC output** at a nominal current of **5A**, sufficient to power the P933 CPU module and associated peripherals. Its compact yet durable design incorporates a **fan-cooled** heat dissipation system, allowing for efficient thermal management even under continuous operation, while its rugged metal enclosure protects against dust, moisture, and mechanical stress, making it ideal for factory floors, process plants, and other demanding industrial settings.

The **G9005A Revision H** variant represents an enhanced iteration of the original design, incorporating refined internal circuitry and improved regulatory compliance to ensure greater reliability and longevity. This power supply features **overvoltage, overcurrent, and short-circuit protection**, automatically shutting down in the event of abnormal conditions to safeguard both the PLC and connected equipment. Its **plug-and-play compatibility** with the Modicon P933 series ensures seamless integration, requiring minimal configuration while maintaining full functionality. The unit also adheres to strict **EMC (Electromagnetic Compatibility) standards**, minimizing electromagnetic interference to prevent disruptions in adjacent control systems. Additionally, its **low ripple and noise output** guarantees clean, stable DC power, which is essential for the precise operation of PLC logic and communication modules.

For maintenance and diagnostics, the power supply includes **status indicators** that provide real-time feedback on its operational state, allowing technicians to quickly identify potential issues such as input voltage fluctuations or internal faults. The **modular and replaceable design** of the P933 system further simplifies troubleshooting, as the power supply can be easily swapped out without disrupting the entire control network. Whether deployed in a high-speed manufacturing line, a chemical processing facility, or an energy management system, this power supply serves as a dependable backbone for automation solutions, ensuring consistent performance and minimal downtime. Its **long-term availability** and compatibility with legacy and modern Modicon architectures make it a trusted choice for engineers and operators seeking a balance of performance, durability, and ease of use in industrial automation.

### **Pros and Cons of buying a AEG Modicon P933 Gould Power Supply (8923-2084 G9005A Rev-H)**

1. **Reliability and Brand Reputation** AEG (now part of Schneider Electric) and Gould are well-established brands in industrial automation, known for durable and dependable power supplies. This unit is designed for harsh industrial environments, ensuring long-term performance.

2. **Compatibility with PLC Systems** The P933 Gould power supply is specifically engineered to work with Modicon PLCs (Programmable Logic Controllers), including older models like the P933 series. This makes it a direct replacement for failing units in legacy systems without requiring significant modifications.

3. **High Power Output** With a **208V AC input** and **24V DC output**, this power supply provides sufficient power for PLCs, I/O modules, and other low-voltage industrial devices. The **9005A model** (likely a variant) may offer additional features like overvoltage protection or current limiting, enhancing system stability.

4. **Industrial-Grade Build** The unit is built to withstand temperature fluctuations, electrical noise, and mechanical stress, making it suitable for factories, manufacturing plants, and other demanding environments.

5. **Easy Replacement for Older Systems** Many industrial facilities still rely on Modicon PLCs, and finding compatible power supplies can be difficult. This unit is a straightforward replacement for failing Gould or AEG power supplies, reducing downtime.

6. **Potential for Refurbished or Used Units** Since this is an older model, you may find it at a lower cost if purchasing used or refurbished. Many industrial surplus suppliers offer tested and restored units at a fraction of the original price.

7. **Technical Support and Documentation** As part of Schneider Electric s legacy systems, documentation and technical support (though possibly limited compared to newer models) may still be available for troubleshooting and maintenance.

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- **Limited availability of spare parts** Finding exact replacements for internal components (capacitors, transistors, etc.) may be challenging.

- **No longer in production** Newer PLCs and power supplies may not be backward-compatible, and future upgrades could require different voltage standards.

- **Outdated safety and efficiency standards** Modern power supplies often include better energy efficiency, EMI/EMC filtering, and fail-safe mechanisms.

2. **Potential for Wear and Failure** Older power supplies are more prone to **capacitor failure, loose connections, or degraded insulation**, which could lead to premature breakdown. If buying used, thorough testing is essential.

3. **Higher Long-Term Costs** While the initial purchase price may be low (especially for used units), the **lack of modern features** (such as remote monitoring, digital diagnostics, or modular upgrades) could lead to higher maintenance costs over time.

4. **Compatibility Risks with Modern Systems** If integrating with newer PLCs or industrial networks, there may be **protocol or communication incompatibilities**, requiring additional interfaces or converters.

5. **Limited Warranty (If Applicable)** Most used or refurbished units come with **no warranty**, and even new units from legacy suppliers may not offer extended coverage.

6. **Training and Expertise Required** Troubleshooting this unit may require **specialized knowledge** of Modicon/Gould systems, which could be harder to find among newer technicians.

7. **Environmental and Compliance Concerns** Older power supplies may not meet **current energy efficiency regulations** (e.g., ErP Directives in Europe) or **electromagnetic compatibility (EMC) standards**, potentially requiring additional shielding or modifications.

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- **Have an existing Modicon PLC system** that requires a direct replacement.

- **Need a short-term fix** for a failing power supply in a legacy setup.

- **Are willing to accept the risks** of an older, non-production unit.

- **Have access to technical expertise** for maintenance and troubleshooting.

However, if you are **planning long-term use, considering system upgrades, or working in a highly regulated environment**, the **pros may not outweigh the cons**. In such cases, investing in a **modern industrial power supply** (e.g., from Schneider Electric s newer lines, Siemens, or Allen-Bradley) could be more reliable, efficient, and future-proof.

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- **Purchase a used/refurbished unit** from a reputable industrial surplus supplier (e.g., Grainger, Moxa, or specialized PLC resellers).

- **Test the unit thoroughly** before installation check for **voltage regulation, ripple, and physical integrity**.

- **Consider a backup power supply** to minimize downtime.

- **Replace the entire PLC system** with a newer Modicon (now EcoStruxure) or similar brand if budget allows.

- **Use a universal industrial power supply** (e.g., a 24V DC supply with overvoltage protection) that can work with both old and new PLCs.

- **Consult with an automation specialist** to assess whether migrating to a modern system is feasible.

- **Document the unit s condition** (take photos, test performance) before purchase.

- **Keep spare capacitors and connectors** on hand for potential repairs.

- **Monitor for signs of wear** (overheating, voltage fluctuations) and plan for eventual replacement.

This power supply is a **viable stopgap for legacy systems** but not an ideal long-term solution. If cost is the primary concern, a refurbished unit may work; otherwise, upgrading to a modern alternative is the safer choice. Always weigh the **immediate need against future maintenance risks**.

Details:

This unit is specifically designed for use in automation and motion control systems, providing reliable power supply various applications. The P933 AEG MODICON power supply is a high-quality industrial automation equipment made in France. With a unique unit quantity of 1, this Gould Power Supply 8923-2084 G9005A REV-H offers dependable solution for industrial automation needs.

part #: p933 prices

• $142.74-$700.00

specifications automationjack:

• brand: Aeg Modicon
• mpn: P933
• part type: Supply
• unit of measure: Unit
• country of origin: France

shipping automationjack:

• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• carrier: USPS
• type: Fixed
• transit: 3-9 Days

seller automationjack:

• city: Champaign, Illinois
• # reviews: 1617
• rating: 98.9%

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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• policy: Returns Accepted
• paid by: Seller
• time: 60 Days
• method: Money back

offer automationjack:

• started: May 6, 2026
• availability: In Stock
• sold: 0
• best offers: True
• quantity: 1
• options: Ship-to-home

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