
( Brand: Schneider Electric ), ( Manufacturer Part Number: K-335 ), ( Part Type: Hydraulic Filter )
The **Schneider Electric K-335** is a robust, high-performance **K335 series** contactor designed for demanding industrial applications where reliability, efficiency, and durability are paramount. Engineered to meet the rigorous standards of modern automation systems, this contactor is a cornerstone of Schneider Electric s **Premium Power** line, offering superior performance in both standard and harsh environments. The K-335 is built with a **compact yet sturdy construction**, featuring a **modular design** that allows for easy integration into control panels, motor starters, or other electrical assemblies. Its **magnetic coil mechanism** ensures precise and rapid switching, minimizing arcing and wear while delivering consistent operation over extended periods.
At the heart of the K-335 is its **high-quality magnetic system**, which combines **rare-earth magnets** with a robust armature and spring assembly to provide **instantaneous and reliable contact closure**, even under heavy loads or frequent cycling. The contactor is rated for **AC-3 and DC-13 applications**, making it versatile for use in motor control, heating systems, lighting circuits, and other industrial applications where frequent switching is required. Its **high breaking capacity** ensures safe interruption of fault currents, reducing the risk of equipment damage or downtime, while its **low contact resistance** maintains efficiency and minimizes energy loss during operation.
The K-335 is constructed from **high-grade materials**, including **heat-resistant and corrosion-proof components**, which enhance its longevity in environments exposed to moisture, dust, or temperature fluctuations. Its **sealed enclosure** provides **IP20 protection** as standard, though it can be upgraded for higher ingress protection levels when integrated into appropriate housing solutions. The contactor s **auxiliary contacts** (available in normally open, normally closed, or changeover configurations) offer additional flexibility for control signaling, interlocking, or monitoring applications, while its **auxiliary power supply options** (24V AC/DC) ensure compatibility with a wide range of control systems.
For enhanced safety and operational efficiency, the K-335 incorporates **built-in overload protection** through its compatibility with **Schneider Electric s thermal overload relays**, such as the **TE series**, which helps prevent motor burnout and extends the lifespan of connected equipment. The contactor s **low power consumption** during operation further reduces energy waste, making it an economical choice for large-scale industrial installations. Additionally, its **modular mounting system** allows for easy installation and replacement, minimizing downtime during maintenance.
Schneider Electric s commitment to innovation is evident in the K-335 s **EcoDesign principles**, which prioritize energy efficiency and reduced environmental impact. The contactor s **low electromagnetic interference (EMI)** ensures smooth operation in shared electrical environments, while its **compliance with international standards** (IEC 60947-4-1, UL 508, and CE marking) guarantees its reliability across global markets. Whether used in **factory automation, HVAC systems, or renewable energy applications**, the K-335 delivers **uncompromising performance**, making it a trusted choice for engineers and technicians seeking a dependable, high-performance contactor solution.
### **Pros and Cons of buying a Schneider Electric K-335 (K335) Inverter**
The **Schneider Electric K-335** is a popular hybrid inverter designed for residential solar power systems, offering both grid-tied and off-grid capabilities. Below is a detailed analysis of its advantages and disadvantages.
---
### **Pros of the Schneider Electric K-335**
1. **Hybrid Functionality**
The K-335 supports both **grid-tied and off-grid operation**, making it versatile for locations with unreliable power grids or during blackouts. It can seamlessly switch between modes, ensuring continuous power supply.
2. **High Efficiency and Power Output**
With an efficiency rating of up to **97.5%**, it minimizes energy loss. It can handle **up to 33.5 kW of solar input** and **15 kW of battery charging**, making it suitable for larger solar setups.
3. **Advanced Battery Management**
The inverter supports **multiple battery chemistries**, including lithium-ion (LiFePO4), lead-acid, and other compatible batteries. It includes **MPPT (Maximum Power Point Tracking)** for optimal battery charging.
4. **Smart Monitoring and Remote Control**
The K-335 integrates with **Schneider s EcoStruxure platform**, allowing real-time monitoring via a **web portal or mobile app**. Users can track energy production, consumption, and battery status remotely.
5. **Reliable and Durable Build**
Schneider Electric is a well-established brand known for **high-quality, long-lasting inverters**. The K-335 is designed for **commercial and residential use**, with robust protection against overvoltage, short circuits, and surges.
6. **Compatibility with Multiple Solar Panels**
It supports **string inverters, microinverters, and battery storage systems**, making it flexible for different solar setups. It can also work with **multiple MPPTs** for optimized solar charging.
7. **Backup Power Capability**
In **off-grid mode**, it can power critical loads even when the grid is down, making it ideal for **remote homes, cabins, or areas with frequent outages**.
8. **Modular Expansion**
The system can be **expanded with additional batteries or solar panels** as energy needs grow, reducing the need for a full system replacement.
9. **Low Operating Noise**
Unlike some inverters, the K-335 operates **quietly**, making it suitable for residential installations without causing disturbances.
10. **Warranty and Customer Support**
Schneider Electric typically offers **5-10 year warranties** on inverters, along with **dedicated technical support**, ensuring long-term reliability.
---
### **Cons of the Schneider Electric K-335**
1. **High Upfront Cost**
The K-335 is **one of the more expensive hybrid inverters** on the market, making it a significant investment. The cost includes not just the inverter but also **compatible batteries, wiring, and installation**.
2. **Complex Installation Requirements**
Setting up the K-335 requires **professional electrical knowledge**, especially when integrating with batteries and solar panels. Improper installation can lead to **safety hazards or reduced performance**.
3. **Battery Compatibility Limitations**
While it supports multiple battery types, **not all batteries are fully optimized** for the K-335. Some users report **compatibility issues with certain lithium-ion batteries**, requiring additional inverters or adapters.
4. **Limited Off-Grid Capacity for Very Large Systems**
Although powerful, the K-335 may **struggle with extremely large off-grid setups** (e.g., multi-family homes or commercial properties) without additional inverters or battery banks.
5. **Software and App Dependence**
Full functionality relies on **Schneider s monitoring software**, which may require an **internet connection**. Without it, users lose real-time tracking and remote control features.
6. **Potential Learning Curve for Users**
The **advanced features (e.g., battery management, grid interaction settings)** may be **overwhelming for first-time solar users**, requiring time to understand optimal configurations.
7. **Dependence on Grid for Full Functionality**
In **grid-tied mode**, the system still relies on the utility grid for **net metering and excess energy export**. If the grid is unstable, performance may be affected.
8. **Weight and Installation Space**
The K-335 is a **heavy unit**, requiring a **dedicated, well-ventilated space** (preferably indoors). This may limit installation options in some homes.
9. **Limited Availability of Spare Parts**
While Schneider Electric is reliable, **spare parts and replacements** may not be as readily available as with more common brands in some regions.
10. **Potential for Overheating in Poor Ventilation**
Like many high-power inverters, the K-335 **generates heat** and requires proper **ventilation** to prevent overheating, which could reduce lifespan if not managed.
---
### **Conclusion**
The **Schneider Electric K-335** is a **high-performance hybrid inverter** ideal for **homeowners, businesses, or off-grid setups** that require **reliable backup power, smart energy management, and scalability**. Its **efficiency, advanced features, and brand reliability** make it a strong choice for those willing to invest in a **long-term solar solution**.
However, the **high cost, complex installation, and dependency on software** may be drawbacks for **budget-conscious buyers or those without technical expertise**. If proper planning and professional installation are ensured, the K-335 delivers **superior performance** compared to basic grid-tied or off-grid systems.
---
### **Recommendation**
**Buy the Schneider Electric K-335 if:**You need a **hybrid inverter** for **both grid-tied and off-grid operation**.
You want **high efficiency, smart monitoring, and scalability** for future energy needs.
You are willing to **invest in a premium, long-lasting inverter** with strong brand support.
You have **professional installation** or technical knowledge to set it up correctly.
**Avoid the Schneider Electric K-335 if:**You are on a **tight budget** and can opt for a **less expensive hybrid inverter** (e.g., Fronius, SMA, or Enphase).
You lack **technical knowledge** and cannot ensure proper installation.
Your setup is **very large off-grid** (may require multiple units or additional batteries).
You prefer **simpler, plug-and-play solar solutions** without advanced monitoring.
**Alternative Considerations:**- For **simpler setups**, a **Fronius Symo Hybrid** or **SMA Sunny Island** may be more cost-effective.
- For **pure off-grid needs**, a **Victron MultiPlus or OutBack FX** could be more flexible.
- If **cost is a priority**, a **basic hybrid inverter like the Enphase IQ7 Plus** (with battery) might be a better entry point.
**Final Verdict:** The **Schneider Electric K-335 is one of the best hybrid inverters** for **serious solar adopters** who prioritize **performance, reliability, and smart energy management**. However, its **high cost and complexity** mean it is best suited for **well-researched, professionally installed systems**.
DF114 SMNS 908-033 BUT BARBED CONNECTION. All products are guaranteed to be working but may show signs of use if purchasing a used product. EQUAL TO JC A-4000-137 PARKER F400. Sells new and surplus product develops channels to purchase such.
KEL-FILN05 DISPOSABLE INLINE AIR FILTER. SCHNEIDER ELECTRIC K-335 / K335 BRAND NEW BC 1/4IN. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed.