HONEYWELL DC300A-A-000-30-0A00-0 Temperature Controller 18VA

( Brand: Honeywell ), ( Manufacturer Part Number: DC300A-A-000-30-0A00-0 ), ( Part Type: Controller ), ( Country Of Origin: United States ), ( Unit Type: Unit )

Review HONEYWELL Temperature Controller

The **Honeywell DC300A-A-000-30-0A00-0** is a high-performance, versatile digital temperature controller designed for precision control in industrial, commercial, and laboratory applications. Part of Honeywell s reliable DC300 series, this model delivers robust functionality with a compact yet durable form factor, making it ideal for environments where space efficiency and dependable operation are critical. Engineered with a **18VA output rating**, this controller provides sufficient power to drive a wide range of heating, cooling, or ventilation systems, including resistive heaters, solid-state relays (SSRs), or motorized dampers, ensuring seamless integration into HVAC, process control, or environmental chambers. Its **analog input capability** allows for precise monitoring of temperature via a 4-20mA signal, while the **relay output** enables direct control of high-power devices, offering flexibility for both simple and complex control schemes.

The DC300A-A features a **large, backlit LCD display** with intuitive navigation, making it easy to set and adjust parameters such as setpoints, hysteresis, and control modes (e.g., PID, ON/OFF, or proportional control) with minimal user intervention. Its **modular design** accommodates various communication interfaces, including **RS-485 Modbus RTU**, enabling seamless integration into larger building automation systems or SCADA networks for remote monitoring and control. The controller also supports **multiple control algorithms**, including advanced PID tuning for optimal performance in applications requiring tight temperature regulation, such as incubators, ovens, or refrigeration units. With **IP65-rated enclosures** available as an option, this unit is built to withstand harsh industrial conditions, including dust, moisture, and temperature fluctuations, ensuring long-term reliability in demanding environments.

Beyond its technical capabilities, the DC300A-A excels in versatility, offering **dual setpoint programming** for applications requiring dual-stage control, such as freeze protection followed by precise temperature maintenance. Its **event logging and alarm functions** provide real-time alerts for out-of-range conditions, equipment failures, or communication errors, enhancing system uptime and maintenance efficiency. Whether deployed in a **food processing facility** to maintain precise cooking temperatures, a **pharmaceutical lab** for sterile environment control, or a **commercial HVAC system** for energy-efficient climate regulation, this temperature controller delivers **consistent, accurate, and adaptable performance**. Honeywell s reputation for quality ensures that the DC300A-A-000-30-0A00-0 is not just a tool for temperature management but a dependable solution for critical control applications where precision and reliability are non-negotiable.

### **Pros and Cons of buying a Honeywell DC300A-A-000-30-0A00-0 Temperature Controller (18VA)**

1. **Reliability and Brand Reputation** Honeywell is a well-established manufacturer known for producing high-quality industrial control equipment. The DC300A series is designed for durability and long-term performance in demanding environments.

2. **Modular and Flexible Design** The controller supports various communication protocols (e.g., Modbus, Profibus, Ethernet) and can be easily integrated into existing automation systems. This makes it adaptable for different industrial applications.

3. **Precise Temperature Control** With a wide operating range (typically -20 C to 85 C) and high accuracy ( 0.5 C), it ensures consistent process control in applications like HVAC, food processing, or chemical manufacturing.

4. **User-Friendly Interface** The touchscreen display (if applicable) and intuitive menu navigation simplify setup, monitoring, and troubleshooting, reducing the need for extensive technical expertise.

5. **Energy Efficiency** The 18VA power rating suggests it is designed to operate efficiently, minimizing unnecessary power consumption while maintaining performance.

6. **Compatibility with Sensors** It supports a variety of temperature sensors (RTDs, thermocouples, etc.), allowing users to choose the most suitable input for their specific application.

7. **Remote Monitoring and Control** Many Honeywell controllers in this series offer remote access capabilities, enabling operators to monitor and adjust settings from a distance via Ethernet or wireless connections.

8. **Compliance with Industry Standards** Honeywell products often meet certifications such as UL, CE, and ATEX, ensuring compliance with safety and regulatory requirements in various industries.

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1. **Higher Upfront Cost** Compared to generic or lesser-known brands, Honeywell controllers tend to be more expensive, which may be a barrier for small businesses or budget-conscious buyers.

2. **Complexity for Beginners** While user-friendly, the advanced features (e.g., programming, network configurations) may require training for operators unfamiliar with industrial automation systems.

3. **Limited Local Support** Depending on the region, finding authorized service technicians or spare parts for Honeywell equipment may be challenging, potentially leading to longer downtimes for repairs.

4. **Software Dependency** Some advanced features rely on proprietary software (e.g., Honeywell s EXP or Experience Suite), which may require additional licensing or training costs.

5. **Potential Overkill for Simple Applications** If the application only requires basic temperature control without complex networking or logging, a simpler, lower-cost controller might suffice.

6. **Firmware Updates and Maintenance** Like many industrial devices, the controller may require periodic firmware updates, which could involve downtime or additional support costs.

7. **Physical Size and Installation Space** The DC300A series is designed for industrial use, meaning it may occupy more space than compact, plug-and-play alternatives.

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The **Honeywell DC300A-A-000-30-0A00-0** is a robust, feature-rich temperature controller ideal for industrial applications requiring precision, reliability, and scalability. Its strengths lie in its modularity, brand trustworthiness, and compatibility with advanced automation systems. However, the higher cost, complexity for non-technical users, and potential maintenance challenges may not justify its purchase for very basic or low-budget applications.

- You need a **highly reliable, precise, and scalable** controller for industrial processes (e.g., HVAC, food processing, chemical plants).

- Your application requires **networking, remote monitoring, or integration with existing SCADA systems**.

- You prioritize **long-term durability and Honeywell s support network**.

- Your budget is tight, and you only need **basic temperature control** a simpler, lower-cost controller (e.g., from Omron, Siemens, or a generic brand) may be sufficient.

- You lack **technical expertise** to configure or maintain advanced features.

- Local **support and spare parts availability** are concerns, and you prefer a more widely distributed brand.

For most **industrial or mission-critical applications**, the DC300A is a strong choice despite its higher cost. For **small-scale or non-industrial uses**, evaluating cheaper alternatives may be more practical.

Details:

Let us know whats going on, and we ll provide you a return label. Simple interface for straightforward monitoring and adjustments. Some exceptions may apply. Cash on Pickup.

Buyers pay for return shipping. Built-in safety and protection features for secure operation. Low power consumption: 18 VA for efficient operation. 60 Hz frequency compatibility for standard electrical systems.

Durable design built for reliable long-term use. Compact size for easy integration into control panels. Ideal for various environments including manufacturing, processing, and laboratories. Shipping: Shipping cost: UPS Calculated.

Precision temperature control for industrial and commercial applications. This advanced controller ensures optimal temperature management for various applications, making it an essential tool maintaining efficiency and performance in your systems. Us at six one zero-nine two one-eight four. Wide input voltage range: 90 264VAC for flexible installation.

Honeywell DC300A-A-000-30-0A00-0 Temperature Controller 18vA: The DC300A-A-000-30-0 is designed for precision and reliability, operating at 60Hz with a power range of 18vA voltage capacity 90-264VAC.

part #: dc300aa000300a000 prices

• $225.00-$349.99

specifications temperaturcontr:

• brand: Honeywell
• mpn: Dc300a-a-000-30-0a00-0
• part type: Controller
• country of origin: United States
• unit type: Unit

payments temperaturcontr:

• cash
• wallet: Paypal
• other
• credit card: Diners-club

returns temperaturcontr:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

offer temperaturcontr:

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

shipping temperaturcontr:

• cost: $15.93
• class: Standard, One-day, Expedited
• carrier: UPS, USPS
• type: Calculated
• transit: 4-9 Days
• service: UPS Ground, UPS Next Day Air, USPS Priority Mail

general temperaturcontr:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Temperature Modules

seller temperaturcontr:

• # reviews: 24525
• city: Fleetwood, Pennsylvania
• rating: 99.6%

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