9999SX-11

Square D

34 offers available: $28.95–$255.00
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9999SX-11 Comparison

9999SX-11 in New – Open box Condition
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Square D 9999-SX11 600 V AC Type S Size 00-2 1 NO Electrical Interlock Details$34.99Condition is New – Open box, Square D 9999-SX11 600 V AC Type S Size 00-2 1 NO Electrical Interlock, shipping cost = $6.9999.9%
Square D 9999SX11 Electrical Interlock Auxiliay Contact 87972 (CT1) Details$39.50Top Pick! Condition is New – Open box, Square D 9999SX11 Electrical Interlock Auxiliay Contact 87972 (CT1), shipping cost = $8.75100.0%
SQUARE D NO ELECTRICAL INTERLOCK SER A 9999SX11 87972 (158-3) Details$90.00Condition is New – Open box, SQUARE D NO ELECTRICAL INTERLOCK SER A 9999SX11 87972 (158-3), FREE SHIPPING100.0%
SQUARE-D 9999SX11 NSNBC01 - CONTACTOR Details$88.35Condition is New – Open box, SQUARE-D 9999SX11 NSNBC01 - CONTACTOR, shipping cost = $5.0099.6%
SQUARE D 9999SX11/9999SX12 AUXILLIARY CONTACT NSNP Details$97.00Condition is New – Open box, SQUARE D 9999SX11/9999SX12 AUXILLIARY CONTACT NSNP, FREE SHIPPING99.8%
NEW SQUARE D 9999SX11 /A ELECTRICAL INTERLOCK 87972 Details$99.39Top Pick! Condition is New – Open box, NEW SQUARE D 9999SX11 /A ELECTRICAL INTERLOCK 87972, FREE SHIPPING100.0%
SQUARE D 9999SX-11 SER. A 120-600VAC 3A NSMP Details$143.00Condition is New – Open box, SQUARE D 9999SX-11 SER. A 120-600VAC 3A NSMP, FREE SHIPPING99.9%
SQUARE D 9999SX11 NSMP Details$143.00Condition is New – Open box, SQUARE D 9999SX11 NSMP, FREE SHIPPING99.9%
SQUARE D 9999SX11 SER. A NSMP Details$143.00Condition is New – Open box, SQUARE D 9999SX11 SER. A NSMP, FREE SHIPPING99.9%
9999SX-11 - SQUARE D - INTERLOCK Type S, auxiliary contact, 1 NO contact, intern Details$132.76Condition is New – Open box, 9999SX-11 - SQUARE D - INTERLOCK Type S, auxiliary contact, 1 NO contact, intern, shipping cost = $12.9599.8%
NEW SQUARE D 9999-SX-11 / 9999SX11 ELECTRICAL INTERLOCK SER. A 87972 Details$150.00Top Pick! Condition is New – Open box, NEW SQUARE D 9999-SX-11 / 9999SX11 ELECTRICAL INTERLOCK SER. A 87972, shipping cost = $15.79100.0%
9999SX-11 in New Condition
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SQUARE-D 9999-SX11 ELECTRICAL INTERLOCK 1 N/O, TYPE S, SIZE 00-2, 87972 (422) Details$44.00Condition is New, SQUARE-D 9999-SX11 ELECTRICAL INTERLOCK 1 N/O, TYPE S, SIZE 00-2, 87972 (422), shipping cost = $5.97100.0%
9999SX11 SQUARE D  CONTACTOR+STARTER AUXILIARY CONT NEW USA Details$57.52Condition is New, 9999SX11 SQUARE D CONTACTOR+STARTER AUXILIARY CONT NEW USA, shipping cost = $16.72100.0%
SQUARE D 9999SX11 SER.A INTERLOCK NSMP Details$92.00Condition is New, SQUARE D 9999SX11 SER.A INTERLOCK NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11/9999SX12 INTERLOCK NSMP Details$97.00Condition is New, SQUARE D 9999SX11/9999SX12 INTERLOCK NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11 MOTOR STARTER Details$105.00Condition is New, SQUARE D 9999SX11 MOTOR STARTER, shipping cost = $100.0%
SQUARE D 9999SX11 Auxiliary Contact, 1NO/0NC, 5 A 1H589 Details$109.83Top Pick! Condition is New, SQUARE D 9999SX11 Auxiliary Contact, 1NO/0NC, 5 A 1H589, FREE SHIPPINGTop Rated99.8%
9999SX11 - Square D - Contactor And Motor Starter Auxiliary Details$107.79Condition is New, 9999SX11 - Square D - Contactor And Motor Starter Auxiliary, shipping cost = $15.0099.9%
Square D 9999SX11 N.o. Electrical Interlock Details$122.45Condition is New, Square D 9999SX11 N.o. Electrical Interlock, FREE SHIPPINGTop Rated100.0%
Square D 9999SX11 N.o. Electrical Interlock Details$122.45Condition is New, Square D 9999SX11 N.o. Electrical Interlock, FREE SHIPPINGTop Rated100.0%
SQUARE D 9999SX11 SER.A INTERLOCK (AS PICTURED) NSMP Details$142.00Condition is New, SQUARE D 9999SX11 SER.A INTERLOCK (AS PICTURED) NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11 SER.A  INTERLOCK NSMP Details$142.00Condition is New, SQUARE D 9999SX11 SER.A INTERLOCK NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX-11 SER.A INTERLOCK NSMP Details$142.00Condition is New, SQUARE D 9999SX-11 SER.A INTERLOCK NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11 SER.A INTERLOCK NSMP. Details$142.00Condition is New, SQUARE D 9999SX11 SER.A INTERLOCK NSMP., FREE SHIPPING99.8%
9999SX11 - Square D Type S NEMA Motor Starter Contactor Auxiliary Contact 1NO 60 Details$121.20Condition is New, 9999SX11 - Square D Type S NEMA Motor Starter Contactor Auxiliary Contact 1NO 60, shipping cost = $22.2999.8%
SQUARE D 9999SX11 INTERLOCK NSMP Details$163.00Condition is New, SQUARE D 9999SX11 INTERLOCK NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11 SER.A ELECTRICAL INTERLOCK NSMP Details$163.00Condition is New, SQUARE D 9999SX11 SER.A ELECTRICAL INTERLOCK NSMP, FREE SHIPPING99.8%
1PC SQUARE D 9999SX11 Contactor/Starter, Contact Block 1NO, 3A, 600V, Inter Details$162.70Condition is New, 1PC SQUARE D 9999SX11 Contactor/Starter, Contact Block 1NO, 3A, 600V, Inter, shipping cost = $10.9999.8%
SQUARE D 9999SX11/9999SX12 INTERLOCK LOT OF 2 NSMP Details$192.00Condition is New, SQUARE D 9999SX11/9999SX12 INTERLOCK LOT OF 2 NSMP, FREE SHIPPING99.8%
SQUARE D 9999SX11 SER.A INTERLOCK LOT OF 2 NSMP Details$255.00Condition is New, SQUARE D 9999SX11 SER.A INTERLOCK LOT OF 2 NSMP, FREE SHIPPING99.8%
9999SX-11 in Used Condition
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Square D 9999SX11 Interlock 87972 W/Back Clip Details$31.33Condition is Used, Square D 9999SX11 Interlock 87972 W/Back Clip, FREE SHIPPING99.9%
Square D  9999-SX-11 NO Interlock, Used Details$28.95Condition is Used, Square D 9999-SX-11 NO Interlock, Used, shipping cost = $6.95100.0%
Square D 9999SX11 Interlock 87972 W/Back Clip (Pack of 3) Details$91.26Condition is Used, Square D 9999SX11 Interlock 87972 W/Back Clip (Pack of 3), FREE SHIPPING99.9%
Square D Electrical Interlock 9999 SX-11 Ser. A 1 N.O. For Type S, Size 00-2 Details$100.00Top Pick! Condition is Used, Square D Electrical Interlock 9999 SX-11 Ser. A 1 N.O. For Type S, Size 00-2, shipping cost = $16.93100.0%
9999SX-11 SQUARE D Electrical Interlock Cat

The Square 9999SX-11 electrical interlock is a versatile and advanced safety device designed to ensure the secure operation of electrical circuits in applications where multiple circuits need to be controlled concurrently. This interlock is specifically engineered for use with 00-2 Caterpillar engines and offers exceptional reliability and functionality.

Constructed from robust materials, the Square 9999SX-11 interlock features a compact and durable design. It is engineered to withstand the challenges of heavy-duty environments, ensuring stable and dependable performance, even under extreme conditions. This interlock is suitable for use in various types of machinery, such as generators, compressors, and pumps, where the safety interlocking of multiple electrical circuits is mandatory to prevent dangerous situations.

The Square 9999SX-11 electrical interlock's primary function is to create a secure electrical interconnection between two or more circuits, enabling them to operate only when specific conditions are met. This is achieved through the use of a combination of usually two normally open (NO) and two normally closed (NC) contacts. These contacts allow for customizable interlocking configurations, with various combinations of contacts, ensuring a wide range of applications can be accommodated.

One of the key advantages of the Square 9999SX-11 interlock is its ease of installation. It is designed to be integrated directly into the electrical control panel of the machinery, allowing for seamless connection to the appropriate electrical circuits. This straightforward installation process helps to save time and resources during equipment assembly while ensuring a secure and efficient electrical interlocking system.

Safety is paramount with the Square 9999SX-11 interlock. It is equipped with advanced features for enhanced safety, such as a spring-return function for the contacts, which ensures they automatically return to their original position once the conditions for interlocking have been met. This feature helps to minimize the risk of unintended operation or user error. Additionally, it includes a clear and easy-to-read status indicator, allowing operators to quickly identify the status of the interlock and ensure all circuits are engaged correctly.

In summary, the Square 9999SX-11 electrical interlock is a powerful and adaptable safety device designed for use with 00-2 Caterpillar engines. Its compact, durable construction, customizable interlocking configurations, easy installation process, and advanced safety features make it an essential component for machinery operators looking to ensure the secure and efficient operation of their equipment.

Pros and Cons of Buying a Square 9999SX-11 Electrical Interlock for 00-2 CAT Engines

The Square 9999SX-11 Electrical Interlock is a crucial safety component designed for Cat 00-2 engines, particularly those used in marine applications. This interlock helps prevent the engine from starting when the shift lever or transmission shift solenoid is not in the proper position, ensuring safe and efficient engine operation. In this analysis, we will discuss the essential advantages and disadvantages of investing in the Square 9999SX-11 Electrical Interlock for your Cat 00-2 engine.

Pros:

1. Enhanced safety and security: The primary function of a Square 9999SX-11 Electrical Interlock is to provide an additional layer of safety by preventing the engine from starting without the correct gear engagement. This feature reduces the risk of accidents and engine damage, making it a crucial investment for marine applications.

2. Improved shift quality: With the Square 9999SX-11 Electrical Interlock, the shift process becomes more precise due to the required verification of correct gear engagements. This leads to smoother and more efficient boat operation.

3. Compatibility with various Cat 00-2 engines: The Square 9999SX-11 Electrical Interlock is designed to be compatible with a wide range of Cat 00-2 engines, ensuring that vessel operators with different engine configurations can benefit from this safety feature.

Cons:

1. Additional cost: Investing in a Square 9999SX-11 Electrical Interlock adds an additional expense to the overall maintenance and repair budget for your Cat 00-2 engine. This may be a consideration for those operating older or lower-budget vessels.

2. Installation complexity: Installing the Square 9999SX-11 Electrical Interlock requires some technical expertise, as well as time and resources. It is essential to ensure that the installation is done correctly to ensure its proper functioning and safe operation of the engine.

3. Ongoing maintenance: Like any other engine component, the Square 9999SX-11 Electrical Interlock requires regular maintenance. Regular checks and component replacements are necessary to maintain the safety feature's reliability and performance.

Conclusion:

The Square 9999SX-11 Electrical Interlock is a valuable investment for Cat 00-2 engine operators who prioritize safety and efficiency in marine applications. By preventing unintended engine starts and ensuring smooth gear shifts, this safety feature can help reduce risks and improve overall vessel performance. However, the additional cost, installation complexity, and ongoing maintenance should be considered before making a purchasing decision. Ultimately, the benefits of the Square 9999SX-11 Electrical Interlock may outweigh the costs for those who prioritize safety, reliability, and high-performance operation for their marine vessels.

Recommendation:

If you are a marine operator with a Cat 00-2 engine and are considering investing in a Square 9999SX-11 Electrical Interlock, carefully weigh the benefits against the costs. Factors to consider include the operational complexity of your specific engine setup, the safety record of your vessel, and your budget for ongoing maintenance and repair costs. If the additional safety and improved shift quality are significant priorities for your marine operation, the Square 9999SX-11 Electrical Interlock is recommended as a valuable investment. Conversely, if your operating budget is limited or you have minimal safety concerns, other maintenance priorities may be a more cost-effective focus.

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rating: 99.5% out of 100 based on 385 user ratings.
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