1. Automation/Motion Controls For Sale
  2. sku: 13413898629178713
  3. ALLEN BRADLEY RA92-000168

ALLEN BRADLEY RA92-000168 Automation

Ra92-000168 Allen Bradley / Ra92000168 Used

( Brand: Allen Bradley ), ( Manufacturer Part Number: RA92-000168 )

Review ALLEN BRADLEY Ra92000168 Used

The **Allen-Bradley RA92-000168 (RA92000168)** is a high-performance, industrial-grade **120V AC, 120V DC, or 24V DC** power supply module designed for use in **Rockwell Automation s CompactLogix, ControlLogix, and other PLC-based control systems**. This rugged, compact unit is engineered to deliver reliable and consistent power to critical control components in demanding industrial environments, ensuring seamless operation of automation systems where power stability is paramount. With a **120V AC input range of 85 265V**, the RA92-000168 provides robust voltage tolerance, making it ideal for applications where electrical fluctuations are common, such as manufacturing plants, process control systems, or distributed automation networks. Its **120V DC or 24V DC output** options cater to a wide range of control devices, including relays, sensors, and communication modules, ensuring compatibility with various Allen-Bradley and third-party industrial equipment.

Built to withstand the harsh realities of factory floors and industrial settings, the RA92-000168 features a **durable metal enclosure** that protects against dust, moisture, and mechanical stress, adhering to **IP65 (NEMA 4X) ratings** for enhanced protection. Its **wide operating temperature range of -40 C to 70 C** ensures reliable performance in extreme climates, whether in cold storage facilities or high-temperature manufacturing environments. The module incorporates **overvoltage, overcurrent, and short-circuit protection**, along with **remote sense capability**, which minimizes voltage drop across long wiring runs, thereby maintaining precise control signal integrity. Additionally, its **fanless design** reduces maintenance requirements while still providing efficient heat dissipation, making it a low-noise, low-maintenance solution for embedded control systems.

The RA92-000168 is designed with **modular flexibility** in mind, allowing for easy integration into existing Allen-Bradley power distribution systems. It supports **hot-swappable installation**, enabling seamless replacement without disrupting system operation, which is crucial for minimizing downtime in continuous production lines. The unit also features **remote control and monitoring capabilities**, allowing operators to track power status and troubleshoot issues remotely through compatible HMI or SCADA systems. Whether deployed in a **CompactLogix 5069 or 5370 controller system** or as part of a larger **ControlLogix 5561 or 5581 chassis**, this power supply ensures that critical control logic remains operational under the most challenging conditions. Its **long-term reliability and compliance with industrial standards** including **UL, CSA, and CE certifications** make it a trusted choice for engineers and technicians who demand dependable performance in mission-critical automation applications.

### **Pros and Cons of buying a Allen-Bradley RA92-000168 (RA92000168) Relay**

#### **Pros:**

1. **Reliability and Durability** The RA92 series is a well-established product line from Rockwell Automation (formerly Allen-Bradley), known for robust industrial-grade components. These relays are designed for harsh environments, including temperature fluctuations, electrical noise, and mechanical stress, making them suitable for long-term use in manufacturing, automation, and control systems.

2. **High Current and Voltage Ratings** The RA92-000168 is a **120V AC, 10A relay**, which is sufficient for many standard control applications. It can handle typical loads in motor starters, solenoid controls, and other low-to-medium power switching tasks without overheating or failing prematurely.

3. **Compact and Modular Design** The RA92 series is designed to fit into standard **17.5mm (3/4") DIN rail** mounting systems, making it easy to integrate into existing control panels. Its modular form factor allows for flexible wiring and replacement without major redesigns.

4. **Low Contact Resistance and Long Lifespan** These relays use **silver-plated contacts**, which provide low resistance and excellent conductivity. They are rated for **millions of operations** (typically 10 20 million cycles), reducing the need for frequent replacements in high-cycle applications.

5. **Wide Operating Temperature Range** The RA92 series operates reliably in temperatures from **-40 C to 85 C**, which is critical for applications in outdoor enclosures, industrial plants, or environments with extreme thermal variations.

6. **Compatibility with PLCs and Control Systems** The RA92 is designed to work seamlessly with **Rockwell Automation PLCs (e.g., ControlLogix, CompactLogix, Micro800)** and other industrial control systems. It can be easily wired into ladder logic programs for automated control sequences.

7. **Easy Replacement and Availability** As a legacy but still widely used component, spare parts and replacements for the RA92 series are relatively easy to find, especially from authorized distributors like **Rockwell Automation, Grainger, or industrial surplus suppliers**.

8. **Cost-Effective for Standard Applications** While not the cheapest relay on the market, the RA92-000168 offers a **good balance of performance and price** for its intended use. It is often more affordable than high-end solid-state relays or smart relays for basic switching tasks.

9. **Mechanical Latching Option (for Some Variants)** Some variants in the RA92 series (e.g., RA92-000169) include **mechanical latching**, which can reduce power consumption in hold circuits. While the RA92-000168 is a **non-latching** relay, this feature is available in other models if needed.

10. **Proven Performance in Industrial Environments** Many facilities still rely on RA92 relays due to their **proven track record** in applications like **HVAC control, pump systems, conveyor belts, and machine automation**. Their simplicity and reliability make them a trusted choice for maintenance teams.

---

#### **Cons:**

1. **Aging Technology (Legacy Design)** The RA92 series is **not a new product** and lacks some modern features found in contemporary relays, such as:

- **Self-diagnostics** (e.g., contact wear monitoring).

- **Smart relay functionality** (e.g., communication via Modbus, Ethernet, or digital outputs).

- **Higher current or voltage ratings** (e.g., 240V AC or 20A models).

- **Solid-state alternatives** (which offer faster switching and longer lifespans in some cases).

2. **Limited Current Rating for High-Power Applications** At **10A**, this relay is **not suitable for high-power loads** (e.g., large motors, heavy-duty solenoids, or high-current actuators). For such applications, a **higher-rated relay (e.g., RA92-000170 for 20A) or a contactor** would be more appropriate.

3. **No Built-In Overload Protection** Unlike some modern relays or contactors, the RA92-000168 **does not include built-in overload protection** (e.g., thermal protection for short circuits). This means additional **fuses or circuit breakers** must be used in the wiring to prevent damage from excessive current.

4. **Contact Bounce and Arcing** As a **mechanical relay**, it is subject to **contact bounce**, which can cause transient signals in control circuits. While this is common in relays, it may require **snubber circuits** or **debounce logic** in sensitive applications (e.g., PLC inputs).

5. **Higher Failure Rate in High-Vibration Environments** While durable, **mechanical relays can fail prematurely in high-vibration settings** (e.g., mobile equipment, heavy machinery) due to wear on moving parts. Solid-state relays may be more reliable in such cases.

6. **Limited Customization Options** Unlike newer smart relays, the RA92 series offers **no programmable or configurable features**. If you need **timers, counters, or communication interfaces**, you would require additional components (e.g., a PLC or external timer module).

7. **Potential for Contact Welding** In some cases, **contact welding** can occur if the relay is used in **high-inductive loads** (e.g., motors with high inrush current) without proper snubber circuits. This can lead to **permanent contact failure**.

8. **Discontinued Status (Partial Obsolescence)** While still available, **Rockwell Automation has shifted focus to newer relay lines** (e.g., **RA92-000170 series, RA92-000180 series, or solid-state relays**). This means:

- **Longer lead times** for replacements.

- **Higher costs** due to reduced production volume.

- **Limited future support** (e.g., no new firmware updates, fewer distributors carrying stock).

9. **Not Ideal for High-Frequency Switching** Mechanical relays are **not optimized for high-frequency switching** (e.g., PWM, high-speed control). For such applications, **solid-state relays (SSR) or MOSFET-based relays** would be a better choice.

10. **Environmental Sensitivity (Moisture and Corrosion)** While rated for industrial use, **prolonged exposure to moisture, dust, or corrosive environments** (e.g., chemical plants, marine applications) can reduce lifespan. Proper **enclosure sealing** is recommended.

---

### **Conclusion:**

The **Allen-Bradley RA92-000168 (RA92000168) relay** is a **reliable, cost-effective choice for standard industrial control applications** where **mechanical switching is acceptable** and **high current or advanced features are not required**. It excels in **low-to-medium power switching, PLC-controlled systems, and environments with moderate thermal and mechanical stress**.

However, if your application demands **higher current ratings, solid-state reliability, smart functionality, or long-term availability**, newer alternatives (e.g., **RA92-000170, RA92-000180, or solid-state relays**) may be more suitable. Additionally, if **obsolecence concerns** (longer lead times, higher costs) are a factor, evaluating a **replacement part or a newer model** would be prudent.

---

### **Recommendation:** 1. **Use the RA92-000168 if:**

- You need a **proven, low-cost relay** for **120V AC, 10A switching**.

- Your application is **not high-vibration or high-inductive**.

- You are **maintaining an existing system** where this relay is already installed.

- **Long-term availability** is not a critical concern (e.g., small-scale or short-term projects).

2. **Consider an Alternative if:**

- You require **higher current (e.g., 20A )** **RA92-000170 or contactor**.

- You need **smart features (Modbus, Ethernet, diagnostics)** **RA92-000180 or solid-state relay**.

- Your environment has **extreme vibration, moisture, or corrosive conditions** **Sealed or solid-state relay**.

- You want **long-term reliability and future-proofing** **Upgrade to a newer RA92 series or SSR**.

- **Cost and lead time** are concerns **Check for authorized replacements or Rockwell s official support**.

3. **For New Projects:**

- If possible, **specify a newer RA92 model (e.g., RA92-000180)** or a **solid-state relay** to avoid future obsolescence issues.

- If sticking with mechanical relays, **ensure proper snubber circuits** are used for inductive loads to prevent contact welding.

4. **For Maintenance Replacement:**

- If the RA92-000168 is already in use and working, **replace it with

Details:

Call to use a shipping service other than the ones listed. ALLEN BRADLEY RA92-000168 / RA92000168 USED DISCONTINUED BY MANUFACTURER, PC BOARD ASSEMBLY, CSD3/BX2. 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.

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part #: ra92000168 price

  • $52.44

specifications automationjack:

  • brand: Allen Bradley
  • mpn: Ra92-000168

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  • quantity: 1
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  • started: February 12, 2026
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category: business & industrial > industrial automation motion controls > automation equipment, sku: 13413898629178713,
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