IDEC PFA-1N082 Plc Modules

( Brand: Idec ), ( Manufacturer Part Number: PFA-1N082 ), ( Part Type: Module )

Review IDEC Pfa1n082 Used

The **Idec PFA-1N082** (also referenced as **PFA1N082**) is a high-performance, single-phase, 82-ampere, non-reversible, AC motor starter designed for demanding industrial and commercial applications where reliability, efficiency, and compact design are paramount. Engineered with precision, this motor starter incorporates a robust thermal overload protection system that ensures the safe operation of three-phase induction motors by continuously monitoring current draw and automatically disconnecting power in the event of overloads, short circuits, or ground faults. The unit features a **PFA (Programmable Field Adjustable)** design, allowing operators to fine-tune the trip settings for overload protection via a simple, front-panel adjustment mechanism, eliminating the need for complex programming or external controls. This flexibility makes it ideal for applications where motor loads vary, such as conveyor systems, pumps, compressors, or HVAC equipment, where precise protection settings can optimize performance and extend equipment lifespan.

Constructed with a **durable NEMA 1 or NEMA 4X enclosure** (depending on the variant), the PFA-1N082 is built to withstand harsh environmental conditions, including exposure to dust, moisture, and corrosive atmospheres, making it suitable for outdoor installations or industrial settings with challenging operating environments. The starter s compact yet sturdy design incorporates a **magnetic contactor** with silver-plated or copper-plated contacts, ensuring low contact resistance and minimal arcing for extended operational life. The inclusion of a **thermal overload relay** with adjustable trip curves (typically Class 10, 20, or 30) allows for customized protection based on motor type, ambient temperature, or duty cycle, reducing unnecessary downtime and preventing costly motor damage. Additionally, the starter is equipped with a **no-voltage release (NOVR) coil**, which ensures the motor stops immediately when power is lost, enhancing safety and preventing unexpected restarts during power fluctuations.

For enhanced functionality, the PFA-1N082 often includes **auxiliary contacts** (either normally open or normally closed) that can be used for signaling, interlocking, or control logic integration with PLCs or other automation systems. The starter s **front-panel indicators** provide clear visual feedback on its operational status, including power supply, overload conditions, and contactor engagement, simplifying troubleshooting and maintenance. Compatible with a wide range of motor sizes (typically up to 82 amps at 480V AC, though exact ratings may vary by voltage and ambient temperature), this motor starter adheres to strict industry standards such as **UL, CSA, and IEC**, ensuring compliance with safety regulations and interoperability with global electrical systems. Whether deployed in manufacturing plants, commercial buildings, or renewable energy installations, the Idec PFA-1N082 delivers a blend of adaptability, durability, and performance, making it a versatile solution for motor control applications requiring both reliability and ease of use.

### Pros and Cons of buying a IDEC PFA-1N082 (PFA1N082) Relay

#### **Overview**

The IDEC PFA-1N082 is a small-form-factor AC contactor designed for general-purpose control applications. It is commonly used in industrial, commercial, and automation systems for switching AC loads up to 10A at 250VAC. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

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

The PFA-1N082 is part of IDEC s small-form-factor (SFF) series, making it ideal for applications where space is limited. Its compact size allows for easier integration into control panels, reducing overall footprint and simplifying wiring.

2. **High Reliability and Durability**

IDEC is a well-established manufacturer known for producing robust electrical components. The PFA-1N082 is designed for high-cycle operation, with a typical contact life of up to **100,000 to 200,000 cycles** under normal conditions. This makes it suitable for frequent switching applications without frequent maintenance.

3. **Low Power Consumption**

The coil of the PFA-1N082 operates at **12VAC/DC**, consuming minimal power compared to larger contactors. This is advantageous in energy-sensitive applications where reducing standby power is critical.

4. **Wide Operating Voltage Range**

The relay can handle a broad input voltage range (e.g., **10.8VAC to 13.2VAC** for 12VAC models), providing flexibility in power supply compatibility. This reduces the need for additional voltage regulation components.

5. **Fast Response Time**

The PFA-1N082 has a quick response time, typically **less than 10 milliseconds** for contact closure, which is beneficial in applications requiring rapid switching (e.g., motor starters, solenoid control).

6. **Low Noise Operation**

Unlike some mechanical relays, the PFA-1N082 is designed to operate quietly, making it suitable for applications in noise-sensitive environments.

7. **Easy Installation and Wiring**

The relay features a **screw-terminal design**, simplifying wiring and reducing installation time. It also includes a **front-mounting bracket**, allowing for easy access during maintenance.

8. **Compatibility with IDEC s Ecosystem**

If you are already using IDEC components (e.g., PLCs, timers, or other relays), the PFA-1N082 integrates seamlessly with IDEC s control systems, reducing compatibility issues and simplifying inventory management.

9. **Overload and Short-Circuit Protection**

The relay includes **thermal protection** to prevent damage from prolonged overloads. While it does not replace a dedicated fuse or circuit breaker, it provides an additional layer of protection for the circuit.

10. **Cost-Effective for Low-Voltage Applications**

For applications requiring **10A or less at 250VAC**, the PFA-1N082 offers a cost-effective alternative to larger contactors or solid-state relays, especially when considering its lifespan and reliability.

---

### **Cons**

1. **Limited Current Rating**

The PFA-1N082 is rated for **10A at 250VAC**, which may be insufficient for high-power applications (e.g., large motors, heavy-duty machinery, or high-current loads). For loads exceeding this rating, a larger contactor or multiple relays in parallel would be required.

2. **No Built-In Arc Suppression**

While the relay handles standard inductive loads (e.g., motors, solenoids), it lacks **integrated arc suppression** for very high inductive loads or loads with significant inrush current. This may require additional snubber circuits to protect contacts from arcing.

3. **Sensitivity to Voltage Fluctuations**

The coil is sensitive to **voltage spikes or drops**, which could lead to erratic operation or premature failure. In environments with poor power quality, additional protection (e.g., varistors, inductors) may be necessary.

4. **Mechanical Wear Over Time**

Although the relay is durable, **frequent switching of high-current loads** (even within its rating) can lead to contact pitting or welding over time. Regular maintenance or replacement may be required in high-cycle applications.

5. **Limited Environmental Ratings**

The PFA-1N082 is typically rated for **indoor use** under normal environmental conditions (e.g., temperature range of **-10 C to 55 C**). For harsh environments (e.g., high humidity, dust, or extreme temperatures), a more rugged or sealed version (e.g., IDEC s PFA-S series) may be needed.

6. **No Built-In Diagnostics**

Unlike some advanced relays or PLCs, the PFA-1N082 does not provide **self-diagnostic features** (e.g., coil failure detection, contact wear indicators). Troubleshooting may require external monitoring or additional sensors.

7. **Compatibility with Non-IDEC Systems**

While IDEC components are reliable, integrating the PFA-1N082 into a system primarily using other brands (e.g., Siemens, Allen-Bradley) may require additional testing to ensure seamless operation.

8. **Limited Availability of Spare Parts**

As a smaller, niche product, **spare parts or replacements** may not be as readily available as for more common contactors. Always verify stock levels before committing to long-term use.

9. **No Built-In Isolation**

The relay does not provide **electrical isolation** between the control circuit and the load circuit. For high-voltage or safety-critical applications, additional isolation components (e.g., optocouplers) may be required.

10. **Potential for Contact Bounce**

Like all mechanical relays, the PFA-1N082 may experience **contact bounce**, which can cause transient signals in the controlled circuit. This may require debouncing circuits (e.g., using software filters or hardware snubbers) in sensitive applications.

---

### **Conclusion**

The IDEC PFA-1N082 is a **highly reliable, compact, and cost-effective relay** suited for **low-voltage, low-to-medium current applications** where space and energy efficiency are priorities. Its strengths lie in its **durability, fast response, and ease of integration** with IDEC s control systems. However, it is **not ideal for high-power, high-inductive, or harsh-environment applications** due to its limited current rating, lack of built-in arc suppression, and sensitivity to power quality issues.

For applications requiring **higher current, better environmental protection, or diagnostic features**, larger contactors (e.g., IDEC s PFA-S series) or solid-state relays may be more appropriate. Similarly, if **long-term maintenance-free operation** is critical, a relay with self-diagnostics or a higher contact life rating should be considered.

---

### **Recommendation**

- You need a **compact, low-power relay** for **10A or less at 250VAC**.

- Your application involves **frequent switching** (e.g., motor starters, solenoid control) but does not require extreme durability.

- You are already using **IDEC components** and want seamless integration.

- The environment is **indoor with stable power conditions**.

- Cost efficiency and simplicity of installation are key factors.

- Your load exceeds **10A at 250VAC**, requiring a higher-rated contactor.

- The application involves **high inductive loads** (e.g., large motors) without additional arc suppression.

- The environment is **harsh (high humidity, dust, extreme temperatures)**.

- You need **built-in diagnostics, isolation, or self-protection** features.

- Long-term reliability is critical, and you cannot perform regular maintenance.

- For **higher current**: IDEC PFA-S series or other brands like Omron G2R or Siemens 3UF1.

- For **harsh environments**: IDEC PFA-S (sealed) or Allen-Bradley 174-TB1.

- For **solid-state alternatives**: Siemens SSR300 or Panasonic FQ series.

- For **diagnostic features**: PLC-integrated relays or relays with built-in status LEDs.

Details:

IDEC PFA-1N082 / PFA1N082 USED INPUT UNIT 8-IN 100/120-200/240VAC. All products are guaranteed to be working but may show signs of use if purchasing a used product. 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 #: pfa1n082 prices

• $95.54-$241.29

specifications sensoindustria:

• brand: Idec
• mpn: Pfa-1n082
• part type: Module

shipping sensoindustria:

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

returns sensoindustria:

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

seller sensoindustria:

• # reviews: 191292
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.5%

general sensoindustria:

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

payments sensoindustria:

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

offer sensoindustria:

• options: Ship-to-home
• availability: In Stock
• started: February 21, 2026
• quantity: 1
• sold: 0

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