ALLEN BRADLEY 634483-05 Plc Modules

( Brand: Allen Bradley ), ( Manufacturer Part Number: 634483-05 ), ( Part Type: Module )

Review ALLEN BRADLEY 63448305 Used

The **Allen-Bradley 634483-05** is a high-performance, compact motor starter designed for reliable and efficient control of three-phase AC induction motors in industrial, commercial, and automation applications. Part of Rockwell Automation s robust **PowerFlex** series, this motor starter is engineered to provide precise overload protection, seamless thermal management, and durable mechanical construction, ensuring dependable operation in demanding environments. With a **120/240V AC** voltage rating and a **10-horsepower** capacity, it is well-suited for medium-duty motor control tasks, such as pumps, conveyors, compressors, and HVAC systems. The starter features a **thermal overload relay** with adjustable trip settings, allowing for customizable protection against motor overloads, phase loss, and other fault conditions, thereby extending motor lifespan and minimizing downtime. Its **compact, NEMA 1 enclosure** ensures space efficiency while maintaining robust protection against dust, dirt, and moisture (IP20 rating), making it ideal for both indoor and outdoor installations where environmental resilience is critical. The **auxiliary contacts** provide additional control flexibility, enabling integration with PLCs, relays, or other automation systems for complex sequencing and monitoring. Built with **high-quality materials**, including corrosion-resistant components and reinforced terminal blocks, the 634483-05 delivers long-term reliability and ease of maintenance, reducing the need for frequent replacements or repairs. Whether used in manufacturing plants, processing facilities, or energy-intensive operations, this motor starter offers a perfect balance of performance, safety, and operational efficiency, making it a trusted choice for engineers and technicians seeking dependable motor control solutions.

### **Pros and Cons of Buying Allen-Bradley 634483-05 (63448305)**

1. **Compatibility and Reliability** The **Allen-Bradley 634483-05** is a well-established **1756-A8** module, part of Rockwell Automation s **CompactLogix** series, which is widely used in industrial automation. It is designed to work seamlessly with **ControlLogix, CompactLogix, and some SLC/Plc-5 systems**, ensuring long-term compatibility with existing or future Rockwell Automation hardware.

2. **High Performance and Speed** This module provides **fast scan times** and **high I/O density**, making it suitable for applications requiring real-time control, such as **motion control, process automation, or discrete manufacturing**. The **1756-A8** is a **128-point digital I/O module**, offering a good balance between cost and performance.

3. **Proven Durability** Allen-Bradley (now part of **Rockwell Automation**) is a trusted brand in industrial automation with a strong reputation for **reliability and longevity**. Many of these modules are still in use after **15 years**, indicating robust build quality.

4. **Easy Integration with Rockwell Ecosystem** If you already use **RSLogix 5000, Studio 5000, or FactoryTalk View**, this module integrates smoothly with these **HMI and programming environments**. It also supports **EtherNet/IP**, a common industrial communication protocol.

5. **Aftermarket Availability** While original Allen-Bradley parts can be expensive, **third-party suppliers (e.g., AutomationDirect, Eurotech, or refurbished sources)** often offer alternatives at lower costs. This increases availability compared to some legacy modules that are harder to source.

6. **Modular and Expandable** The **CompactLogix** platform allows for easy expansion via **additional I/O modules, communication ports (EtherNet/IP, DeviceNet, etc.), and advanced features** like **motion control or safety I/O** if needed.

7. **Technical Support and Documentation** Rockwell Automation provides **extensive documentation, forums, and technical support**, making troubleshooting and maintenance easier for engineers familiar with the brand.

---

1. **High Original Cost** New **Allen-Bradley 634483-05** modules can be **expensive**, especially if purchased directly from Rockwell or authorized distributors. Prices often range from **$500 $1,200 **, depending on demand and region.

2. **Potential for Counterfeit or Low-Quality Alternatives** Due to high demand, **fake or refurbished modules** may enter the market. Buyers must **verify authenticity** (check serial numbers, purchase from reputable suppliers, and inspect packaging) to avoid receiving **non-functional or low-quality replacements**.

3. **Legacy Software Compatibility** While the module works well with **modern Rockwell software**, older versions of **RSLogix 5000 or Studio 5000** may require **updates or workarounds** for full compatibility. Some **third-party PLC simulators** may not fully support it.

4. **Limited Lifespan Compared to Modern Alternatives** The **1756-A8** is an **older model** (introduced in the early 2000s). Newer **CompactLogix 5000 series (e.g., 1769-L32E)** offer **higher I/O counts, better Ethernet/IP performance, and integrated safety features**, making them more future-proof.

5. **Depreciation Risk** Since this is a **legacy module**, its **resale value depreciates faster** than newer I/O devices. If you plan to upgrade later, investing in a **newer, more scalable module** might be more cost-effective long-term.

6. **Firmware and Security Considerations** Older modules may lack **latest security patches** and **firmware updates**, making them slightly more vulnerable to **network-based threats** compared to newer devices with **built-in cybersecurity features**.

7. **Physical Size and Installation Constraints** The **1756-A8** is a **rack-mount module**, requiring space in a **CompactLogix chassis**. If you need **remote I/O or distributed systems**, additional **cabling and communication modules** may be necessary, increasing complexity.

---

The **Allen-Bradley 634483-05 (1756-A8)** is a **reliable, high-performance digital I/O module** that remains a **solid choice for applications requiring Rockwell Automation compatibility**. It excels in **industrial environments where speed, durability, and seamless integration with existing systems** are priorities.

However, **cost, availability of alternatives, and long-term scalability** should be carefully considered. If budget allows, **newer CompactLogix modules (e.g., 1769-L32E)** may offer **better performance, security, and future-proofing**. For **legacy systems or tight budgets**, the **634483-05** remains a **practical and dependable option**, especially when sourced from **trusted suppliers**.

---

- You **already have a Rockwell Automation ecosystem** (ControlLogix, CompactLogix, RSLogix/Studio 5000).

- You need a **high-performance, 128-point digital I/O module** for **motion control, discrete manufacturing, or process automation**.

- You **cannot afford or do not need a newer module**, and **cost is not a major concern**.

- You **purchase from a reputable supplier** (e.g., **Rockwell Automation, AutomationDirect, or a verified refurbisher**) to avoid counterfeit parts.

- You are **starting a new project** and can invest in **newer CompactLogix 5000 series** for **better scalability and security**.

- You need **higher I/O density or advanced features** (e.g., **integrated motion, safety, or analog I/O**).

- You are **on a tight budget** and can find a **comparable third-party module** (e.g., **Eurotech, AutomationDirect s A-B compatible I/O**).

- **Verify authenticity** (check serial numbers, purchase from **authorized distributors**).

- **Test the module** before installation (ensure all I/O points work correctly).

- **Compare pricing** from multiple suppliers (new vs. refurbished vs. third-party).

- **Check for firmware updates** if using older Rockwell software.

**Final Verdict:** The **634483-05 is a strong, battle-tested module** for **Rockwell Automation users**, but **weigh the pros and cons against newer alternatives** to ensure it fits your **current and future needs**. If compatibility and reliability are non-negotiable, it remains a **wise purchase**. Otherwise, evaluating **more modern I/O solutions** may provide better long-term value.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product.

ALLEN BRADLEY 634483-05 / 63448305 USED I/O MULTIPLEXER INTRFC MO.

part #: 63448305 price

• $730.70

specifications sensoindustria:

• brand: Allen Bradley
• mpn: 634483-05
• part type: Module

returns sensoindustria:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

shipping sensoindustria:

• type: Fixed
• cost: $12.90
• service: Standard
• transit: 29-33 Days
• class: Standard

seller sensoindustria:

• rating: 99.6%
• # reviews: 194861
• city: 1 Millennium Dr, Willingboro, NJ 08046

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

offer sensoindustria:

• options: Ship-to-home
• availability: In Stock
• started: March 16, 2026
• quantity: 1
• sold: 0

payments sensoindustria:

• other
• credit card: Visa
• wallet: Google-pay

Allen Bradley 634483-05 Is Similar To:

• 17560a16 17560a16 Allen-bradley Allen Bradley Series (32.6% similar) Allen Bradley cat 17560A16 series a nib...(January 18th, 2018)
• 04eky00001 Allen Bradley Part Flat Power Unused Old Stock (43.8% similar) System ships via USPS and FedEx ground express. Buyer has option to select alternate transport carrier Ats expense. Allen Bradley part: flat power cable. Fob phoenix...(May 7th, 2018)
• 061259830213 Allen-bradley 2015 Factory Sealed (42.4% similar) Thanks a buyer: member id clobbers private during past month Cisco WS-C3750X-48PF-S brand new sealed 3750X Poe us 2,400. Honest and stood by the product working. 00BEST offer price was accepted view item Allen-Bradley 1756-EN2F EN2F b series new sealed arrived as described. E-mail us first if you ...(July 21st, 2017)
• 081159752880 Allen Bradley 1771-oa 120 (44.2% similar) This item is used. Allen Bradley 1771-OA 120 vac output module 1771OA 1771 manufacturer: Bradley model: 1771-OATYPE: module controller platform: plc 5 used, in working condition...(January 22nd, 2018)
• 100-a09nd3 b B Rockwell Automation Allen-bradley (25% similar) Auxiliary contact, 110 120V ac 50 60HZ coil, fully tested, in excellent working and cosmetic condition. Notes:the unit is series condition: pup used in a plc hardware. The serial number in pictures has been altered for privacy purposes...(May 5th, 2017)
• 100-c09 10 Allen Bradley Series Contactor (37.5% similar) Allen Bradley 100-C09 10 series a contractor location 14E...(August 23rd, 2018)
• 100-c23d 10 Allen-bradley Allen Bradley (33.3% similar) Previously used, in very good working condition Allen Bradley 100-C23D 10 contractor coil 32A 600V-690V...(May 5th, 2017)
• 10000134269 Allen Bradley 1756-rio Series (45% similar) Comes with wiring connector. Working when pulled. Appears new, not in original box...(November 13th, 2017)
• 100s-c09ej14bc Allen Bradley New Contactor (37% similar) A contractor 24VDC part 100S-C09EJ14BC great price pic. New Allen Bradley sear...(June 1st, 2018)
• 1025732 Allen-braldye Allen-bradley Memory Module (34.1% similar) Allen-bradley memory module cat 1772MEB part this unit appears to be new and in the original box, but I cannot verify...(July 5th, 2017)
• 104-a09nd3 Allen Bradley Reversing Contactor (36.1% similar) Reversing contractor, includes the interlocking end switches to protect from inadvertently shorting power supply...(July 18th, 2018)