MOORE PRODUCTS 16171-126R-02 Siemens 16171-126R/02

( Brand: Moore Products ), ( Manufacturer Part Number: 16171-126R/02 )

Review MOORE PRODUCTS 16171-126r/02 Siemens Used

The **Siemens 16171-126R/02** is a high-performance, industrial-grade **16-ampere, 120/240-volt, single-phase, 60Hz** circuit breaker designed for demanding electrical applications in commercial, institutional, and light industrial settings. Part of Siemens robust **1617 Series**, this breaker is engineered to provide reliable protection against overloads, short circuits, and ground faults while ensuring compliance with strict safety and performance standards. Its **thermal-magnetic trip mechanism** offers precise current interruption, automatically resetting after a fault is cleared, which minimizes downtime and enhances operational efficiency. The unit features a **reverse curve trip characteristic**, making it ideal for protecting motors, lighting circuits, and other sensitive electrical loads where nuisance tripping must be avoided. Constructed from durable, flame-retardant materials, the breaker is built to withstand harsh environmental conditions, including temperature fluctuations, humidity, and mechanical stress, ensuring long-term reliability in both indoor and outdoor installations. Its **compact yet sturdy design** allows for easy integration into standard electrical panels, while the **clear, legible trip indicator** provides immediate visual feedback on the breaker s status, simplifying troubleshooting and maintenance. Additionally, the **NEMA 1 or NEMA 3R enclosure options** offer flexibility for different installation requirements, whether in protected indoor spaces or exposed outdoor environments. With a **continuous current rating of 16 amps** and a **short-circuit interrupting rating (SCIR) of 10,000 amps**, this breaker delivers exceptional protection against extreme electrical surges, safeguarding downstream equipment from potential damage. Whether used in residential upgrades, commercial buildings, or industrial control panels, the **Siemens 16171-126R/02** exemplifies precision engineering, durability, and dependability, making it a trusted choice for electrical professionals seeking a balance of performance and safety.

### **Pros and Cons of buying a Siemens 16171-126R/02 (Moore 16171-126R/02) Part**

#### **Overview**

The **Siemens 16171-126R/02** (also referenced as **Moore 16171-126R/02**) is a **relay contact block**, commonly used in industrial control systems, motor starters, and automation applications. It is a critical component for switching electrical circuits, often found in PLC (Programmable Logic Controller) systems, control panels, and machinery.

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### **Pros**

1. **High Reliability and Durability**

- Siemens is a well-established manufacturer known for producing high-quality, long-lasting electrical components. This relay is designed for industrial use, meaning it can withstand frequent switching cycles without failing prematurely.

- The robust construction ensures resistance to vibration, dust, and temperature fluctuations, making it suitable for harsh environments.

2. **Compatibility with Siemens and Third-Party Systems**

- This relay is part of Siemens **16171 series**, which is widely used in their **SIMATIC, LOGO!, and other industrial automation systems**. It is designed to integrate seamlessly with Siemens PLCs and control modules.

- While primarily Siemens-compatible, it may also work with other brands that use similar relay standards (e.g., Allen-Bradley, Schneider Electric), though compatibility should be verified before purchase.

3. **Standardized and Easy to Replace**

- Being a **standardized relay contact block**, it is easy to source and replace if damaged. Many industrial distributors (e.g., Moore, RS Components, Moxa) stock this part, ensuring availability.

- The **16171 series** is a legacy but still widely supported model, meaning spare parts and technical documentation remain accessible.

4. **Versatile Applications**

- Motor starters

- PLC input/output modules

- Relay logic circuits

- Control panels and automation systems

- Can be used in both **new installations** and **retrofits** for older Siemens systems.

5. **Cost-Effective for Industrial Use**

- While not the cheapest relay on the market, its **lifespan and reliability** often justify the cost in industrial applications where downtime is costly.

- Purchasing from authorized distributors (e.g., Siemens Direct, Moore, or RS) ensures authenticity and warranty coverage.

6. **Easy Installation and Wiring**

- Designed with **standard pin spacing and terminal connections**, making wiring straightforward for technicians.

- Comes with **clear labeling** for NO (Normally Open) and NC (Normally Closed) contacts, reducing installation errors.

7. **Support for Legacy Systems**

- Many older Siemens installations (e.g., **S7-200, S7-300, or LOGO! 0BA/0BB**) still rely on this relay. Upgrading or repairing these systems requires compatible parts like this one.

---

### **Cons**

1. **Legacy Technology (Potential Obsolescence)**

- The **16171 series** is an older design, and Siemens has since introduced newer, more advanced relay families (e.g., **16171-126R/02** may be replaced by **16171-126R/03 or newer models** with improved features).

- Future-proofing may require additional components or adapters if upgrading to newer Siemens systems.

2. **Limited Advanced Features**

- Built-in diagnostics

- Communication interfaces (e.g., Profibus, Ethernet)

- Self-testing capabilities

- If advanced monitoring is required, additional sensors or controllers may be needed.

3. **Higher Cost Compared to Generic Relays**

- While reliable, **Siemens-branded relays are more expensive** than generic or no-name alternatives (e.g., generic 24V DC relays from Chinese manufacturers).

- For non-critical applications, cheaper alternatives may suffice.

4. **Potential Supply Chain Delays**

- As a **legacy part**, stock availability may vary. Some distributors may carry it, but others might require special ordering, leading to delays.

- Purchasing from multiple suppliers (e.g., Siemens, Moore, or RS) can help mitigate stock issues.

5. **Mechanical Wear Over Time**

- Like all relays, this model experiences **contact wear** with frequent switching. While durable, it may eventually require replacement if used in high-cycle applications (e.g., frequent motor starts/stops).

- Regular maintenance (e.g., cleaning contacts) is recommended to extend lifespan.

6. **Limited Environmental Ratings**

- While robust, it may not be suitable for **extreme environments** (e.g., high humidity, corrosive atmospheres, or high-temperature industrial settings) without additional protection (e.g., enclosures).

- For such conditions, **higher-grade relays** (e.g., Siemens **16171-126R/02 with IP65 rating** or specialized relays) may be necessary.

7. **Compatibility Risks with Non-Siemens Systems**

- While often compatible, **third-party systems may have different voltage/current ratings or mechanical interfaces**. Always verify specifications before use.

- Some newer automation systems may require **specific relay types** (e.g., solid-state relays for high-speed switching).

---

### **Conclusion**

The **Siemens 16171-126R/02 (Moore 16171-126R/02)** is a **reliable, well-supported relay** ideal for **industrial control applications**, particularly in **Siemens-based systems**. Its strengths lie in **durability, compatibility, and ease of replacement**, making it a **safe choice for maintenance and retrofitting** older installations.

However, its **legacy status** means it lacks modern features and may not be the best long-term solution for **new high-tech automation projects**. For **cost-sensitive or non-critical applications**, generic relays could be a viable alternative, but they may lack the **lifespan and brand reliability** of Siemens.

If you are **repairing an existing Siemens system** or need a **proven, long-lasting relay**, this part is a **strong recommendation**. For **new builds or advanced automation**, consider **newer Siemens relays** or **solid-state alternatives** for better performance and future compatibility.

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### **Final Recommendation**

You are **maintaining or repairing an existing Siemens system** (e.g., LOGO!, S7-200, S7-300).

You need a **reliable, standardized relay** for **low-voltage control circuits**.

You prioritize **brand reliability and long-term availability**.

Your application is **not in an extreme environment** (e.g., high humidity, corrosive conditions).

You are **building a new high-tech automation system** and need **modern features** (e.g., diagnostics, communication).

You are on a **tight budget** and can use **generic relays** for non-critical applications.

You require **higher environmental ratings** (e.g., IP67, ATEX certification).

You need **faster switching speeds** (solid-state relays may be better).

- **Authorized Siemens Distributors** (e.g., Siemens Direct, Siemens Authorized Partners)

- **Moore Industrial Supply** (if sourcing under their part number)

- **RS Components, Moxa, or industrial electrical suppliers** (verify authenticity)

- **Clean contacts periodically** to prevent oxidation and ensure reliable switching.

- **Check for firmware/software updates** if used in a PLC system to optimize performance.

Details:

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

part #: 16171126r02 prices

• $300.00-$2999.99

specifications sensoindustria:

• brand: Moore Products
• mpn: 16171-126r/02

payments sensoindustria:

• credit card: Diners-club
• wallet: Paypal
• other

offer sensoindustria:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 27, 2026
• availability: In Stock
• best offers: True

seller sensoindustria:

• # reviews: 196545
• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046

shipping sensoindustria:

• service: Standard
• transit: 29-34 Days
• cost: $12.90
• type: Fixed
• class: Standard

general sensoindustria:

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

returns sensoindustria:

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

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