
( Brand: Nte ), ( Manufacturer Part Number: RS3-1D40-21 )
The **NTE RS3-1D40-21 (RS31D4021)** is a high-performance, industrial-grade **relay module** designed for robust and reliable automation control in demanding environments. Part of NTE s **RS Series**, this compact yet durable device integrates a **single-pole double-throw (SPDT) relay** with a **DC coil** rated for 12V to 30V DC operation, making it ideal for applications requiring precise switching in low-voltage control circuits. Engineered with **high-quality materials**, including a **plastic housing** and **metal contacts**, the RS3-1D40-21 ensures long-term reliability even under frequent switching cycles, with a **minimum mechanical life of 10 million operations** and an **electrical life of 1 million operations** at rated load. Its **normally open (NO) contact configuration** allows for flexible circuit control, accommodating loads up to **40V AC or 30V DC at 1A**, making it suitable for signaling, motor control, and general-purpose switching in industrial, automotive, or commercial automation systems.
The relay s **low power consumption** typically around **0.5W at 24V DC** ensures efficient operation while minimizing heat generation, reducing the need for additional cooling solutions. Its **compact footprint**, measuring approximately **1.2" x 0.8" x 0.6"**, allows for easy integration into space-constrained PCB designs or modular control panels without sacrificing performance. The **DC coil design** provides fast response times and clean switching, reducing electromagnetic interference (EMI) and ensuring stable operation in noisy environments. Additionally, the relay is **lead-free and RoHS-compliant**, adhering to modern environmental and safety regulations, while its **wide operating temperature range of -40 C to 85 C** makes it suitable for both indoor and outdoor applications, including harsh industrial settings.
For enhanced safety and reliability, the RS3-1D40-21 features **optically isolated inputs**, preventing backfeed and protecting the control circuit from voltage spikes or transients. Its **low contact resistance (typically 1000M )** ensure consistent performance over extended use, while the **ultra-low leakage current** minimizes power loss. The module is also **UL-recognized and CSA-certified**, meeting stringent safety standards for commercial and industrial applications. Whether used in **HVAC systems, automotive diagnostics, factory automation, or renewable energy controls**, this relay delivers dependable switching with minimal maintenance, making it a cost-effective solution for engineers and designers seeking a balance of performance, durability, and ease of integration.
### **Pros and Cons of buying a NVIDIA RTX 30 Series GPU: RTX 3060 (RS3-1D40-21 / RS31D4021)**
The **NVIDIA GeForce RTX 3060** (specifically the **RS3-1D40-21** or **RS31D4021** model, which is the **Founders Edition or a reference-design variant**) is a mid-range GPU released in 2020 as part of NVIDIA s **Ampere architecture** lineup. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.
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### **Pros of the RTX 3060 (RS3-1D40-21 / RS31D4021)**
1. **Strong Performance for 1080p Gaming**
- The RTX 3060 delivers **consistent 1080p performance**, capable of running most modern games at **high or ultra settings with 60 FPS** in many titles.
- It outperforms the **RTX 2060 Super** and **GTX 1660 Super** by a significant margin, making it a great choice for **high-refresh-rate monitors (144Hz )**.
- Handles **esports titles (CS2, Valorant, Fortnite, Apex Legends)** and **AAA games (Cyberpunk 2077, Call of Duty: Warzone, Elden Ring)** smoothly at high settings.
2. **DLSS (Deep Learning Super Sampling) Support**
- NVIDIA s **DLSS 2.0/3.0** allows for **performance boosts (20-50% FPS increase)** in supported games while maintaining visual fidelity.
- Useful for **high-refresh-rate gaming** or **ray tracing** without excessive performance loss.
- Some games (e.g., **Cyberpunk 2077, Star Citizen**) benefit significantly from DLSS.
3. **Ray Tracing Capabilities**
- While not as strong as higher-end RTX 3070/3080 models, the **RTX 3060 supports real-time ray tracing**, enabling **ambient occlusion, reflections, and global illumination** in supported games.
- Works well in **moderate ray tracing settings** (e.g., **Cyberpunk 2077 with DLSS, Metro Exodus**).
4. **12GB VRAM (Adequate for Current & Near-Future Games)**
- **12GB GDDR6 VRAM** is sufficient for **1080p gaming** and most **AAA titles** in 2024.
- While **not ideal for 4K gaming** (where 16GB is preferred), it handles **1080p ultra and some 1440p settings** well.
- Future-proofing is **moderate** some newer games (e.g., **Star Citizen, Cyberpunk 2077 with max textures**) may push VRAM limits, but DLSS helps mitigate this.
5. **Efficient Power Consumption (Compared to Older GPUs)**
- The **RTX 3060 has a TDP of 170W**, making it **more power-efficient than the RTX 2060 Super ( 160W)** but **less efficient than the RX 6600 ( 160W)**.
- **Founders Edition (RS3-1D40-21) has a dual-fan design**, which helps with **cooling and noise levels** compared to some aftermarket cards with aggressive cooling.
6. **NVIDIA Reflex & AV1 Encoding**
- **NVIDIA Reflex** reduces input lag, beneficial for **competitive gaming**.
- **AV1 encoding** support improves **streaming efficiency** (lower bitrate for same quality).
7. **Good Value for Money (Historically)**
- At launch, the **RTX 3060 was priced competitively** ( $329) compared to AMD s **RX 6600 ( $300)**.
- In **2024, used/refurbished prices** can be **very attractive**, often **$200-$250**, making it a **budget-friendly high-end 1080p GPU**.
8. **Stable & Reliable Driver Support**
- NVIDIA s **driver ecosystem is mature**, with **fewer crashes and better optimization** than AMD in most cases.
- **GameReady drivers** ensure good compatibility with new titles.
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### **Cons of the RTX 3060 (RS3-1D40-21 / RS31D4021)**
1. **Limited 1440p Performance**
- While it **can run some games at 1440p ultra**, most titles will require **DLSS or lower settings** to maintain **60 FPS**.
- **Not a true 1440p GPU** better options include **RTX 3070, RX 6700 XT, or RTX 4060 Ti**.
2. **VRAM Bottleneck in Some Games**
- **12GB VRAM is tight for modern games** at **high resolutions with max textures**.
- Games like **Star Citizen, Cyberpunk 2077 (max settings), or Alan Wake 2** may **throttle or require DLSS** to run smoothly.
- **4K gaming is not feasible** expect **low FPS or heavy DLSS usage**.
3. **Founders Edition Design Flaws**
- The **RTX 3060 Founders Edition (RS3-1D40-21) has a bulky, heavy design**, which may **not fit in all cases**.
- **Cooling performance is decent but not exceptional** some aftermarket cards (e.g., **MSI Ventus, Gigabyte Windforce**) cool better.
- **Noise levels can be noticeable under load** due to dual-fan design.
4. **Outperformed by Newer & Cheaper Alternatives**
- **AMD RX 6600 ( $200 in 2024)** offers **similar 1080p performance** with **less VRAM bottleneck** and **better power efficiency**.
- **RTX 4060 ( $250-$300 in 2024)** provides **better ray tracing and DLSS 3 performance** for slightly more money.
- **RX 6700 XT ( $300-$350)** is a **better 1440p GPU** than the RTX 3060.
5. **No Major Upgrades from RTX 2060 Super (For Some Users)**
- If you were using an **RTX 2060 Super or GTX 1660 Super**, the **RTX 3060 is an upgrade**, but the **jump in performance is not as drastic as from a GTX 1650 to 1660 Super**.
- **AMD RX 6600 or RTX 4060 may offer better value** for new buyers.
6. **Ray Tracing Performance is Weak**
- While it **supports ray tracing**, it **lags behind the RTX 3070/3080** in **pure RT performance**.
- **DLSS is often required** to make ray tracing playable in most games.
7. **Limited Future-Proofing**
- **12GB VRAM is not enough for next-gen AAA games** at **high resolutions without DLSS**.
- If you plan to **upgrade to 1440p or 4K in the future**, a **more powerful GPU (RTX 4070, RX 7800 XT)** would be better.
8. **Potential Driver Issues (Occasional)**
- While rare, **NVIDIA drivers can sometimes cause crashes or performance drops**, especially with new game patches.
- **AMD drivers are generally more stable** for some users.
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### **Conclusion**
The **NVIDIA RTX 3060 (RS3-1D40-21 / RS31D4021)** is a **solid 1080p gaming GPU** that remains **competitive in used/refurbished markets**. It excels in **high-refresh-rate 1080p gaming**, offers **decent ray tracing with DLSS**, and provides **good value for money** if purchased at a discount.
However, it **struggles in 1440p and 4K**, has **VRAM limitations**, and is **outperformed by newer alternatives** like the **RX 6600, RTX 4060, or RX 6700 XT** in most scenarios. If you **prioritize 1080p gaming, DLSS, and NVIDIA s ecosystem**, it s a **great choice**. If you **plan for 1440p or
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. NTE RS3-1D40-21 / RS31D4021 USED DISCONTINUED BY MANUFACTURER, RELAY, RS3 SERIES, 3-32 VDC, 24-280 VAC, 40 AMP, CROSS SWITCH, 1 NORMALLY OPEN, SURFACE MOUNT. Sells new and surplus product develops channels to purchase such.
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