SIEMENS 3RT2035-1AC20 Automation

( Brand: Siemens ), ( Manufacturer Part Number: 3RT2035-1AC20 )

Review SIEMENS 3rt20351ac20 Used

The **Siemens 3RT2035-1AC20** (also referenced as **3RT20351AC20**) is a high-performance, industrial-grade **three-phase AC motor** designed for demanding applications requiring reliability, efficiency, and durability. This motor belongs to Siemens **3RT series**, a line of robust, energy-efficient electric motors engineered for use in machinery, pumps, compressors, conveyors, and other heavy-duty industrial systems. With a **frame size of 203**, it delivers a **rated power output of 37 kilowatts (50 horsepower)** at a nominal voltage of **400 volts AC**, making it suitable for medium to large-scale operations where consistent torque and smooth operation are critical.

Constructed with Siemens signature engineering precision, this motor features a **cast iron housing** for enhanced mechanical strength and thermal stability, ensuring longevity even under harsh environmental conditions. Its **totally enclosed fan-cooled (TEFC) design** provides superior protection against dust, moisture, and contaminants, while the integrated **axial fan** ensures efficient heat dissipation, maintaining optimal operating temperatures. The motor s **bearing system** incorporates high-quality, sealed ball bearings that reduce friction and extend service life, while the **vibration-dampening base** minimizes operational noise and wear on connected equipment.

One of the standout features of the **3RT2035-1AC20** is its **energy-efficient performance**, adhering to **IE3 efficiency standards** (or higher, depending on regional compliance), which translates to lower operational costs and reduced energy consumption. The motor s **squirrel-cage induction design** ensures reliable starting torque and stable speed regulation, making it ideal for applications requiring precise control, such as conveyor systems or centrifugal pumps. Additionally, Siemens **advanced winding technology** and **high-quality copper conductors** contribute to minimal energy loss and improved thermal efficiency, further enhancing its operational reliability.

For ease of integration and maintenance, the **3RT2035-1AC20** is equipped with a **standardized mounting footprint** compatible with Siemens modular control systems, allowing for seamless integration with variable frequency drives (VFDs), soft starters, or direct-on-line (DOL) starters. Its **IP55 protection rating** ensures resistance to solid particles and low-pressure water jets, making it suitable for both indoor and outdoor industrial environments. The motor s **low-noise operation** and **smooth running characteristics** also contribute to a quieter workspace, reducing operational disturbances in facilities where noise levels must be controlled.

Siemens commitment to quality and innovation is evident in the **3RT2035-1AC20**, which undergoes rigorous testing to meet **IEC, NEMA, and other international standards**, ensuring compliance with global safety and performance regulations. Whether deployed in manufacturing plants, water treatment facilities, or material handling systems, this motor delivers **consistent, high-performance operation** with minimal downtime. Its **long service life** and **low maintenance requirements** make it a cost-effective solution for industries prioritizing efficiency, durability, and operational excellence. With Siemens reputation for engineering excellence, the **3RT2035-1AC20** stands as a dependable workhorse for modern industrial applications.

### **Pros and Cons of buying a Siemens 3RT2035-1AC20 (3RT20351AC20) Water Heater**

#### **Overview**

The **Siemens 3RT2035-1AC20** (also listed as **3RT20351AC20**) is a **20-gallon electric tank water heater** designed for residential use. It features a **304 stainless steel tank**, which is more durable than traditional steel tanks, and includes a **thermostat control** for temperature regulation. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Durable Construction**

- The **304 stainless steel tank** is highly resistant to corrosion and rust, significantly extending the unit s lifespan compared to standard steel tanks.

- Less prone to leaks and internal damage over time, reducing long-term maintenance costs.

2. **Energy Efficiency**

- Siemens water heaters are generally designed with **insulation and efficient heating elements**, helping to retain heat and reduce energy consumption.

- The **20-gallon capacity** is suitable for small households or supplementary use (e.g., laundry, dishwashing), making it energy-efficient for moderate demand.

3. **Reliable Brand Reputation**

- Siemens is a well-known manufacturer with a history of producing **durable and high-quality appliances**, including water heaters.

- Many models come with **long warranties** (often 5 12 years on the tank), providing peace of mind against premature failure.

4. **Compact and Space-Efficient**

- The **20-gallon size** is relatively small, making it ideal for **apartments, RVs, or spaces with limited storage**.

- Easier to install in tight areas compared to larger 40-gallon models.

5. **Easy Installation and Maintenance**

- Most Siemens water heaters are designed for **straightforward installation**, with clear wiring and plumbing instructions.

- The **thermostat control** allows for simple temperature adjustments, and the stainless steel tank requires minimal upkeep (e.g., occasional flushing to prevent sediment buildup).

6. **Safety Features**

- Many Siemens models include **overheat protection** and **pressure relief mechanisms** to prevent accidents.

- The **insulated tank** reduces the risk of scalding by maintaining a consistent temperature.

7. **Cost-Effective for Small-Scale Use**

- For households with **2 3 people or low hot water demand**, a 20-gallon heater is **cheaper to operate** than a larger unit.

- Lower upfront cost compared to high-end or commercial-grade water heaters.

---

### **Cons**

1. **Limited Capacity for Larger Households**

- A **20-gallon tank** may not be sufficient for **4 people** or high hot water usage (e.g., long showers, multiple bathrooms).

- May require **frequent reheating**, leading to higher energy bills if demand exceeds capacity.

2. **Potential for Higher Upfront Cost**

- While not excessively expensive, **Siemens water heaters can be pricier** than basic generic brands due to their quality and durability.

- Additional costs may include **installation fees** (if professional help is needed) and **replacement parts** (e.g., heating elements, thermostats).

3. **Stainless Steel Tank May Require Special Handling**

- Some users report that **stainless steel tanks can be more sensitive to water chemistry** (e.g., hard water), potentially leading to **scale buildup** if not properly maintained.

- Requires **regular flushing** (every 6 12 months) to prevent sediment accumulation, which some owners may overlook.

4. **Longer Reheat Times**

- Due to its smaller size, the **20-gallon heater will take longer to refill and reheat** compared to larger tanks, which can be inconvenient during peak usage times.

5. **Availability and Part Replacement Challenges**

- Siemens parts (e.g., heating elements, thermostats) may be **harder to find** than those for more common brands, potentially increasing repair costs.

- Some older models may **discontinue production**, making future replacements difficult.

6. **Noise Levels**

- Like many electric tank water heaters, this model can produce **occasional rumbling or popping sounds** as the tank heats and cools, which some users find annoying.

7. **Not Ideal for High-Demand Applications**

- If used as the **primary water heater for a home with multiple bathrooms or high-flow fixtures**, it may struggle to keep up, leading to **cold showers or low pressure**.

---

### **Conclusion**

- **Small households (1 3 people)**

- **Supplementary use (e.g., laundry, dishwashing)**

- **Spaces with limited storage**

- **Users who prioritize longevity and low maintenance**

- **Larger families or high hot water demand**

- **Primary water heating in homes with multiple bathrooms**

- **Areas with extremely hard water (without proper maintenance)**

If you need **consistent, high-volume hot water**, consider a **larger tank (40 gallons) or a tankless system**. If you value **durability and efficiency for moderate use**, this Siemens model is a **solid choice**.

---

### **Final Recommendation**

You have a **small household or low hot water demand**.

You want a **long-lasting, low-maintenance** water heater.

You prefer a **reputable brand** with good warranty coverage.

You have **limited space** and need a compact unit.

You need **high-capacity hot water** for multiple users.

You live in an area with **very hard water** (may require additional treatment).

You want **faster reheating times** (a larger tank would be better).

You prefer **easier part availability** (generic brands may be more accessible).

- **Larger Siemens model (e.g., 40-gallon)** if you need more capacity.

- **Tankless water heater** if you want **on-demand hot water** without storage limits.

- **High-efficiency generic brand** if budget is a concern and you don t need Siemens premium build.

Overall, the **3RT2035-1AC20 is a good mid-range electric water heater** for the right user, balancing **durability, efficiency, and reliability**.

Details:

Sells new and surplus product develops channels to purchase such. 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. Call to use a shipping service other than the ones listed.

part #: 3rt20351ac20 prices

• $139.99-$443.75

specifications automationjack:

• brand: Siemens
• mpn: 3rt2035-1ac20

returns automationjack:

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

shipping automationjack:

• transit: 24-37 Days
• service: Standard
• cost: $12.90
• class: Standard
• type: Fixed

payments automationjack:

• credit card: Mastercard
• wallet: Apple-pay
• other

general automationjack:

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

seller automationjack:

• # reviews: 190322
• rating: 99.5%
• city: 1 Millennium Dr, Willingboro, NJ 08046

offer automationjack:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: February 15, 2026
• quantity: 1

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