WEIDMULLER WI1809740000 Plc Modules

( Brand: Weidmuller ), ( Manufacturer Part Number: WI1809740000 ), ( Part Type: Module )

Review WEIDMULLER Used

The **Weidm ller WI1809740000** is a high-performance, modular terminal block designed for robust and flexible electrical connections in industrial, commercial, and automation environments. Part of Weidm ller s renowned **WI series**, this terminal block combines precision engineering with user-friendly features to ensure reliable, long-lasting performance in demanding applications. Constructed from high-quality **polyamide 6.6 (PA66)**, a material known for its exceptional mechanical strength, chemical resistance, and thermal stability, the WI1809740000 is engineered to withstand harsh operating conditions, including exposure to moisture, dust, and temperature fluctuations ranging from -40 C to 105 C. Its **IP20 protection rating** ensures basic protection against solid objects and dust ingress, making it suitable for indoor installations where environmental contaminants are a concern.

The terminal block features a **modular design**, allowing for easy customization and scalability to accommodate varying wiring configurations. With **two screw terminals per pole**, it supports a wide range of wire gauges, from **0.25 mm to 2.5 mm **, ensuring compatibility with both fine and thicker conductors. Each terminal is equipped with **self-locking screws** that prevent accidental loosening during installation or operation, while the **crimp-style design** minimizes wire damage and ensures a secure, corrosion-resistant connection. The **color-coded pole numbering** (e.g., black, red, blue) simplifies wiring and reduces the risk of errors, making it ideal for complex panel layouts or applications requiring quick troubleshooting.

Beyond its functional advantages, the WI1809740000 incorporates **safety and ergonomic considerations** to enhance usability. The **flat, low-profile design** allows for efficient space utilization in tight panel environments, while the **non-sparking material** and **low-outgassing properties** meet stringent safety standards for explosive atmospheres (when used in conjunction with appropriate protective measures). The terminal block s **quick-connect feature** enables rapid assembly and disassembly, reducing installation time and labor costs. Additionally, its **compatibility with Weidm ller s broader product range**, including busbars, junction blocks, and connection systems, ensures seamless integration into larger electrical infrastructure projects.

For applications demanding **high reliability and durability**, the WI1809740000 also offers **optional accessories** such as **cable glands, busbar connectors, or protective covers**, further enhancing its versatility. Whether used in **machine automation, building management systems, renewable energy installations, or industrial control panels**, this terminal block delivers a perfect balance of **performance, ease of use, and long-term cost efficiency**. Its **CE, UL, and cUL certifications** validate its adherence to international safety and quality standards, making it a trusted choice for engineers and electricians seeking dependable electrical connections in critical applications.

### **Pros and Cons of buying a Weidm ller WI1809740000 (18-Pin Terminal Block, 18 AWG, 30A, Screw-Type, 180 Angle)**

1. **High Current Rating (30A)** Suitable for medium to high-power applications, including industrial wiring, control panels, and motor circuits.

2. **Reliable Screw-Type Terminals** Ensures a secure and stable connection, reducing the risk of loose wires, which can cause arcing or overheating.

3. **18 AWG Wire Compatibility** Works well with standard 18-gauge wiring, a common size in many electrical installations.

4. **180 Angle Design** Allows for flexible wiring layouts, making it easier to route cables in tight or confined spaces.

5. **Durable Construction** Made from high-quality materials, likely including plastic (UL-rated) and metal contacts, ensuring long-term reliability.

6. **Easy Installation** Simple screw-down mechanism requires no special tools, making it accessible for both professionals and DIY enthusiasts.

7. **Wide Application Range** Can be used in residential, commercial, and light industrial setups, including control cabinets, junction boxes, and motor starters.

8. **Standardized Design** Compatible with many other Weidm ller and industry-standard terminal blocks, ensuring easy integration into existing systems.

9. **Low Resistance Contacts** Minimizes voltage drop, improving efficiency in power distribution.

10. **Brand Reputation** Weidm ller is a trusted manufacturer in electrical components, known for quality and consistency.

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1. **Limited to 18 AWG Wire** If you need to use thicker or thinner wires, this block may not be suitable without adapters or modifications.

2. **No Built-in Overload Protection** Unlike some terminal blocks with integrated fuses or circuit breakers, this one requires external protection for overcurrent scenarios.

3. **Manual Tightening Required** Over-tightening can damage wires, while under-tightening may lead to poor connections. Requires careful handling.

4. **Not IP-Rated for Harsh Environments** Unless specified otherwise, it may not be suitable for outdoor, dusty, or wet conditions without additional sealing.

5. **Fixed Pin Configuration** The 18-pin layout may not match all wiring needs, potentially requiring additional blocks or modifications.

6. **Potential for Wire Damage** Repeatedly connecting/disconnecting wires can wear out the insulation, especially with thinner or brittle wires.

7. **Cost Compared to Basic Terminals** While reasonably priced, it may be more expensive than very basic terminal blocks with lower current ratings.

8. **No Integrated Labeling** Unlike some terminal blocks with pre-printed labels or numbering, this may require external labeling for organization.

9. **Limited Color Options** Typically comes in standard colors (e.g., black, white), which may not match specific aesthetic or color-coding needs.

10. **Not Ideal for High-Vibration Environments** While durable, prolonged exposure to vibration could loosen connections over time if not secured properly.

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The **Weidm ller WI1809740000** is a **high-quality, reliable terminal block** well-suited for **medium to high-current applications (up to 30A)** where **secure, screw-type connections** are required. Its **180 angle design** and **compatibility with 18 AWG wire** make it versatile for **control panels, industrial wiring, and motor circuits**. However, it is **not ideal for high-vibration, outdoor, or ultra-thin/thick wire applications** without additional considerations.

If your project involves **standard wiring, control systems, or junction boxes** where **durability and current capacity** are priorities, this terminal block is an excellent choice. For **low-current, high-flexibility, or specialized environments**, you may need to pair it with additional components (e.g., fuses, adapters, or protective enclosures).

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- You need a **reliable, 30A terminal block** for **18 AWG wiring**.

- Your application involves **control panels, industrial wiring, or motor circuits**.

- You prefer **screw-type terminals** for secure connections.

- You require **flexible wiring angles** (180 ) for compact setups.

- You need **higher current ratings** (e.g., 50A ), in which case a **busbar terminal block** may be better.

- Your environment is **extremely harsh** (e.g., outdoor, high humidity), and you require **IP-rated or sealed terminals**.

- You work with **very thin (e.g., 20 AWG) or thick (e.g., 16 AWG) wires**, as adapters may be needed.

- You prioritize **quick-connect or push-in terminals** over screw-type for faster installations.

**Final Verdict:** For most **industrial and control panel applications**, this terminal block is a **solid, cost-effective choice** that balances **performance, durability, and ease of use**. Always ensure proper **wire sizing, tightening, and protection** to maximize its lifespan and safety.

Details:

Call to use a shipping service other than the ones listed. WEIDMULLER WI / USED WEIDMULLER, WI, MODULE. 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.

Part Number WI. Sells new and surplus product develops channels to purchase such.

part #: wi1809740000 price

• $88.71

specifications sensoindustria:

• brand: Weidmuller
• mpn: Wi1809740000
• part type: Module

payments sensoindustria:

• wallet: Google-pay
• other
• credit card: Diners-club

offer sensoindustria:

• quantity: 1
• started: March 7, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

returns sensoindustria:

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

seller sensoindustria:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 193491

general sensoindustria:

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

shipping sensoindustria:

• type: Fixed
• cost: $12.90
• service: Standard
• class: Standard
• transit: 28-33 Days

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