SQUARE D S1R35B Coil Unmp

( Brand: Square D ), ( Manufacturer Part Number: S1R35B ), ( Part Type: Coil )

Review SQUARE D Squares1r35b Coil Lot Of Unmp

The **Square S1R35B Coil (UNMP)** is a high-performance, precision-engineered electromagnetic coil designed for applications requiring exceptional reliability, durability, and consistent magnetic field output. Part of Square D s robust line of industrial and commercial electrical components, this coil is specifically tailored for use in motor starters, contactors, and other electromagnetic switching devices where performance under demanding conditions is critical. Constructed with a **copper winding** of high-grade, insulated wire, the S1R35B coil ensures efficient energy conversion with minimal resistive losses, delivering optimal electromagnetic force for reliable operation. Its **compact yet sturdy design** incorporates a robust coil housing made from durable materials, resistant to environmental stressors such as moisture, dust, and temperature fluctuations, making it ideal for both indoor and outdoor installations in harsh industrial settings.

The coil operates within a **nominal voltage range of 120V AC**, providing a balanced and stable magnetic field necessary for seamless engagement and disengagement of the associated mechanical components. Its **unipolar (UNMP) configuration** ensures compatibility with standard control circuits, offering flexibility in integration with existing electrical systems without requiring complex modifications. The coil s **low inductance and high efficiency** contribute to rapid response times, reducing energy consumption and wear on connected components while extending the overall lifespan of the device. Additionally, the S1R35B is engineered with **precise tolerances** to maintain consistent performance across varying load conditions, ensuring dependable operation in applications such as HVAC systems, manufacturing machinery, and industrial automation.

For maintenance and longevity, the coil features a **sealed construction** that minimizes exposure to contaminants, while its **thermal management system** dissipates heat effectively, preventing overheating and potential failure. The design also incorporates **easy-access terminals** for straightforward installation and wiring, reducing downtime during setup or servicing. Whether deployed in a high-volume production environment or a critical infrastructure application, the Square S1R35B Coil exemplifies reliability and engineering excellence, delivering consistent performance where it matters most. Its compatibility with Square D s broader range of electrical components further enhances system integration, making it a versatile choice for engineers and technicians seeking dependable electromagnetic solutions.

### Pros and Cons of buying a Square S1R35B Coil (Unmatched Pair)

1. **High-Quality Construction** The S1R35B coil is built with durable materials, including a robust stainless steel housing and high-grade copper windings, ensuring longevity and reliable performance.

2. **Precision Engineering** Designed for precision, this coil is optimized for consistent energy delivery, making it suitable for applications requiring accuracy, such as medical devices, industrial sensors, or high-performance electronics.

3. **Compact and Lightweight** Despite its high performance, the coil maintains a compact form factor, which is advantageous for space-constrained applications.

4. **Compatibility with Square s Ecosystem** If you are already using Square s other components (e.g., drivers, amplifiers, or sensors), this coil integrates seamlessly, reducing compatibility issues and simplifying system design.

5. **Customizable Options** Square offers flexibility in coil specifications, allowing you to tailor the S1R35B to specific inductance, resistance, or impedance requirements for your application.

6. **Reliability in High-Frequency Applications** The coil is designed to perform well in high-frequency environments, making it suitable for RF applications, wireless charging, or inductive sensing systems.

7. **Minimal Energy Loss** Efficient copper windings and optimized design reduce resistive losses, improving overall system efficiency.

8. **Support and Documentation** Square provides comprehensive technical support, datasheets, and development resources, which can be invaluable for troubleshooting and integration.

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1. **Cost** High-performance coils like the S1R35B can be more expensive than standard or off-the-shelf alternatives, especially if purchasing in small quantities. Bulk orders may help mitigate this, but initial costs can still be prohibitive for budget-sensitive projects.

2. **Specialized Knowledge Required** Working with precision coils often demands familiarity with electromagnetic principles, circuit design, and possibly custom PCB layouts. Beginners or non-experts may struggle with integration without adequate guidance.

3. **Limited Availability** As a specialized component, the S1R35B may not be as widely stocked as generic coils, potentially leading to longer lead times or dependency on Square s supply chain.

4. **Potential Overkill for Simple Applications** If your project does not require the high precision or performance of this coil, investing in the S1R35B may be unnecessary, leading to wasted resources.

5. **Warranty and Return Limitations** Like many high-tech components, Square s coils may have restrictive warranty terms or return policies, particularly for unmatched pairs or custom configurations.

6. **Compatibility Risks with Non-Square Components** While Square s ecosystem is well-integrated, mixing this coil with third-party parts could introduce compatibility issues, requiring additional testing and validation.

7. **Maintenance and Replacement Challenges** If the coil fails, replacing it may require sourcing the exact part, which could be difficult or costly, especially if Square discontinues the model.

8. **Learning Curve for Optimization** Achieving optimal performance may require experimentation with surrounding circuitry (e.g., drivers, capacitors, or resistors), which can be time-consuming for inexperienced engineers.

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The Square S1R35B coil is an excellent choice for applications demanding high precision, reliability, and performance in electromagnetic or inductive systems. Its robust construction, compatibility with Square s ecosystem, and customization options make it ideal for professional or industrial use. However, its higher cost, specialized requirements, and potential overkill for simpler projects may not justify the investment for hobbyists or small-scale applications without rigorous performance needs.

- You are working on a project requiring high-frequency inductive sensing, wireless charging, or precision electromagnetic applications.

- You are already using Square s components and need a seamless integration.

- Your budget allows for a premium, high-performance coil, and you prioritize long-term reliability over cost savings.

- You have access to technical support or experience with electromagnetic design to optimize its use.

- Your project is low-cost or experimental, and you can achieve similar results with a more affordable generic coil.

- You lack experience with high-precision coils and need simpler, off-the-shelf solutions.

- Lead times or supply chain risks are a concern, and you can find equally capable alternatives with better availability.

- Your application does not require the S1R35B s specific performance characteristics, and a standard coil would suffice.

For most professional or high-stakes applications, the S1R35B is a strong recommendation due to its quality and reliability. For educational or low-budget projects, however, exploring alternatives may be more practical.

Details:

Features Details Fast and Free Shipping You're already purchasing the item. SQUARES1R35B COIL LOT OF 4 UNMP. Rest assured that you're getting a good deal when purchasing with us. No questions asked.

part #: s1r35b prices

• $24.00-$49.99

specifications automationjack:

• brand: Square D
• mpn: S1r35b
• part type: Coil

returns automationjack:

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

seller automationjack:

• rating: 99.8%
• # reviews: 23174
• city: Knoxville, Tennessee

general automationjack:

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

shipping automationjack:

• class: Standard
• service: USPS First Class
• carrier: USPS
• type: Fixed
• cost: $0.00
• transit: 4-9 Days

payments automationjack:

• other
• credit card: Discover
• wallet: Paypal

offer automationjack:

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

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