CROUZET 88950042 Plc Modules

( Brand: Crouzet ), ( Manufacturer Part Number: 88950042 ), ( Part Type: Module )

Review CROUZET Used

The **Crouzet 88950042** is a high-performance, industrial-grade **electromechanical relay** designed for demanding applications requiring precise control, reliability, and long-term durability. This compact yet robust device belongs to Crouzet s **889 series**, renowned for its superior switching capabilities and adaptability in harsh environments. Engineered with a **normally open (NO) contact configuration**, the 88950042 features a **coil voltage range of 24 240V AC** and **24 220V DC**, making it versatile for integration into a wide array of electrical systems, including automation, HVAC controls, industrial machinery, and building management solutions. Its **electromechanical switching mechanism** ensures clean, arcing-free operation with minimal contact wear, delivering consistent performance over millions of switching cycles ideal for applications where reliability is non-negotiable.

The relay s **compact, DIN-rail mountable design** allows for efficient space utilization in control panels, while its **IP20 protection rating** ensures basic environmental resistance against dust and solid objects, though it is not suited for wet or corrosive conditions without additional enclosure protection. The **gold-plated contacts** enhance conductivity and corrosion resistance, reducing the risk of signal degradation or intermittent failures, particularly in applications involving sensitive electronics or low-level signals. Additionally, the relay s **low contact resistance** (typically below 100 m ) and **fast switching speeds** make it well-suited for high-frequency or rapid sequencing tasks, such as in motor starters, solenoid controls, or relay ladder logic circuits.

For enhanced safety and operational flexibility, the 88950042 incorporates **overload protection** through its robust coil design, which can withstand brief voltage spikes or transients without compromising performance. The relay s **mechanical life expectancy** exceeds **10 million operations**, a testament to its durability, while its **electrical life** (depending on load conditions) can reach **1 million cycles**, ensuring longevity in continuous-duty applications. The device s **clear labeling and standardized pinout** simplify wiring and integration into existing control systems, reducing installation time and potential for errors. Whether used in **industrial automation, renewable energy systems, or critical infrastructure**, the Crouzet 88950042 delivers a dependable, high-efficiency switching solution that balances performance, ease of use, and cost-effectiveness.

### Pros and Cons of buying a Crouzet 88950042

The **Crouzet 88950042** is a thermal relay, commonly used in industrial and electrical applications for overcurrent protection, motor control, and circuit interruption. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Reliable Overcurrent Protection**

The Crouzet 88950042 is designed to provide precise and dependable overcurrent protection, helping prevent damage to motors, transformers, and other electrical equipment by tripping when current exceeds safe thresholds. Its thermal bimetallic mechanism ensures gradual response, reducing the risk of sudden failures.

2. **Adjustable Trip Settings**

The relay allows for adjustable trip thresholds, making it versatile for different load requirements. Users can set the current level at which the relay trips, accommodating variations in motor sizes, voltage drops, and environmental conditions.

3. **Compact and Space-Efficient Design**

As a modular relay, it fits into standard DIN rail mounting systems, saving space in control panels and electrical enclosures. This makes it ideal for applications where space is limited.

4. **Long Lifespan and Durability**

Crouzet relays are known for their robust construction, often featuring high-quality materials that resist corrosion, vibration, and temperature fluctuations. This ensures longevity and consistent performance in demanding industrial environments.

5. **Compatibility with Crouzet Systems**

If you are already using other Crouzet components (e.g., contactors, starters, or control panels), this relay integrates seamlessly, simplifying maintenance and reducing the need for third-party parts.

6. **Low Maintenance Requirements**

Unlike mechanical relays with moving parts that wear out over time, thermal relays like this one have minimal moving components, reducing the need for frequent adjustments or replacements.

7. **Cost-Effective for Bulk Applications**

While individual units may have a moderate price, purchasing in bulk can offer cost savings, especially in large-scale industrial projects where multiple relays are required.

8. **Safety Features**

The relay helps prevent electrical fires and equipment damage by cutting off power during overcurrent conditions, contributing to overall system safety.

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### **Cons**

1. **Limited to Thermal Protection Only**

The Crouzet 88950042 is a thermal relay and does not provide electronic or digital protection features (e.g., short-circuit protection, phase imbalance detection, or remote monitoring). For advanced protection, additional relays or PLCs may be needed.

2. **Slower Response Time Compared to Electronic Relays**

Thermal relays rely on heat buildup to trip, which means they have a delayed response (typically seconds) to overcurrent conditions. Electronic relays can react almost instantaneously, making them better suited for critical applications where rapid intervention is required.

3. **Sensitivity to Environmental Conditions**

While durable, thermal relays can be affected by extreme temperatures, humidity, or dust accumulation, which may impact their accuracy or lifespan if not properly maintained or housed in sealed enclosures.

4. **No Built-In Diagnostics**

Unlike modern electronic relays or smart protection devices, the Crouzet 88950042 does not provide diagnostic feedback (e.g., fault logging, communication interfaces, or self-testing). Troubleshooting may require manual inspection or additional tools.

5. **Potential for False Trips in Transient Conditions**

In applications with frequent inrush currents (e.g., starting large motors), the relay might trip intermittently if the trip setting is not carefully calibrated, leading to unnecessary downtime.

6. **Limited Availability of Spare Parts**

As Crouzet is a niche manufacturer, finding replacement parts or technical support may be challenging compared to more widely available brands. Ensure compatibility with your existing system before purchasing.

7. **No Remote Control or Signaling Options**

The relay lacks built-in signaling contacts or remote control capabilities. If you need to integrate it into a larger control system with remote monitoring, additional wiring or interfaces will be required.

8. **Higher Initial Cost for Advanced Applications**

While cost-effective for basic overcurrent protection, if your application requires additional features (e.g., electronic trip curves, communication protocols, or integration with SCADA systems), you may need to invest in more expensive alternatives.

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### **Conclusion**

The **Crouzet 88950042** is a reliable and cost-effective solution for basic thermal overcurrent protection in industrial applications where simplicity, durability, and modularity are prioritized. Its adjustable trip settings and compatibility with Crouzet systems make it a practical choice for many standard motor control and protection scenarios.

However, if your application demands faster response times, advanced diagnostics, remote monitoring, or electronic protection features, you may need to supplement it with additional relays or consider more modern alternatives. The relay s limitations in terms of speed, diagnostics, and environmental adaptability should be weighed against its strengths in reliability and ease of use.

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### **Recommendation**

- You need a simple, modular thermal relay for basic overcurrent protection in motors or transformers.

- Your system is already using Crouzet components, ensuring compatibility.

- Cost and space efficiency are key factors, and you can tolerate the relay s slower response time.

- The application does not require advanced protection features or remote monitoring.

- You require instantaneous or electronic protection (e.g., for sensitive electronics or critical infrastructure).

- Your system needs diagnostics, communication interfaces, or remote control capabilities.

- The environment involves extreme conditions (e.g., high humidity, frequent temperature swings) that may affect the relay s performance.

- You are working with a budget that allows for more advanced relays (e.g., electronic relays with programmable trip curves).

For most traditional industrial applications where thermal protection is sufficient, the Crouzet 88950042 remains a solid and proven choice. However, always verify its specifications against your exact requirements to ensure it meets your long-term needs.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. CROUZET 88950042 / USED PROGRAMMABLE LOGIC CONTROLLER; OUTPUT TYPE:4 SOLID-STATE/PWM; SIGNAL INPUT TYPE:8 PNP; NO. OF DIGITAL INPUTS:8; NO. Part Number 88950042.

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.

part #: 88950042 prices

• $145.00-$169.99

specifications sensoindustria:

• brand: Crouzet
• mpn: 88950042
• part type: Module

general sensoindustria:

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

payments sensoindustria:

• other
• credit card: Visa
• wallet: Google-pay

returns sensoindustria:

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

offer sensoindustria:

• availability: In Stock
• quantity: 1
• started: March 20, 2026
• options: Ship-to-home
• sold: 0

seller sensoindustria:

• # reviews: 195338
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

shipping sensoindustria:

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

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