
BGC78C6-20 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $110.54 | Condition is Used, WATLOW BGC78C6-20 / BGC78C620 (USED), shipping cost = $12.90 | 99.7% |

The Watlow BGC78C6-20 and BGC78C620 are versatile temperature controllers designed to provide precise temperature control for various industrial applications. These controllers are part of Watlow's BGC78 Series, known for their compact size, ease of use, and high performance.
The BGC78C6-20 and BGC78C620 are 2-output controllers, capable of managing two separate heating or cooling processes simultaneously. Each output can handle a maximum current of 15 Amps and a voltage of up to 30V. This makes them suitable for applications requiring temperature control of resistance heaters, immersion heaters, or electric heaters.
These temperature controllers feature a digital display that shows the temperature setpoint, process temperature, and output status. The user-friendly keypad allows for simple programming and adjustment of setpoints, alarms, and other parameters. The controllers also offer various control functions such as PID temperature control, proportional control, and bumpless transfer.
The BGC78C6-20 and BGC78C620 are designed with a robust construction, featuring a powder-coated aluminum housing that provides excellent protection against harsh industrial environments. They also offer a wide operating temperature range of -40 C to 85 C, making them suitable for use in various temperature conditions.
These controllers are also equipped with various communication options, including RS-232, RS-485, and CAN bus. This enables seamless integration with various automation systems and data logging software. Additionally, they offer various safety features such as over-temperature protection, over-current protection, and short-circuit protection, ensuring safe and reliable operation.
In summary, the Watlow BGC78C6-20 and BGC78C620 temperature controllers offer precise temperature control, versatility, and robustness, making them an ideal choice for various industrial heating and cooling applications. Their user-friendly design, wide range of communication options, and safety features make them a reliable and cost-effective solution for maintaining optimal process temperatures.
Pros and Cons of buying a Watlow BGC78C6-20/BGC78C620 Temperature Controller
Introduction:The Watlow BGC78C6-20/BGC78C620 is a versatile temperature controller suitable for various industrial applications. Here are some of the key pros and cons to consider before making a purchase.
Pros:1. Wide Temperature Range: This temperature controller can handle a temperature range from -40 C to 200 C (-40 F to 392 F), making it suitable for various industries and applications.
2. Digital Display: The large, backlit LCD display allows users to easily read and monitor temperatures, setpoints, and alarms.
3. Relay Outputs: With four normally open (NO) and two normally closed (NC) relay outputs, this controller can control various processes, such as heating or cooling systems.
4. Analog Inputs: Two 4-20 mA analog inputs enable the controller to receive temperature readings from sensors or other devices.
5. Remote Sensing: The controller allows for remote sensing, which can be useful for measuring temperatures in locations that are difficult or impossible to reach directly.
6. Programmable: Users can program the controller with various functions, such as time-based and temperature-based sequences, to optimize their processes.
Cons:1. Complex Setup: The Watlow BGC78C6-20/BGC78C620 has a more complex setup process compared to some other temperature controllers. Users may require some technical expertise to get the most out of this device.
2. Cost: This temperature controller is more expensive than some other options on the market. However, its advanced features and wide temperature range may justify the investment for certain applications.
3. Limited Communication Options: While the controller can be programmed and configured locally, it does not offer advanced communication options like Ethernet or Wi-Fi. This could be a disadvantage for users who require remote access or integration with other systems.
Conclusion:The Watlow BGC78C6-20/BGC78C620 temperature controller offers a wide temperature range, digital display, and various output and input options, making it a versatile and powerful tool for industrial applications. Its complex setup process and higher cost are potential drawbacks, but the advanced features and capabilities it provides may be worth the investment for certain users.
Recommendation:If you are looking for a temperature controller with a wide temperature range, multiple outputs and inputs, and the ability to handle complex processes, the Watlow BGC78C6-20/BGC78C620 may be an excellent choice for your application, despite its complex setup and higher cost. However, if you are working on a budget or require more basic temperature control functions, you may want to consider other options.
Details:
Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds 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.
specifications maxohvac:
- brand: Watlow
- mpn: Bgc78c6-20
- part type: Hvac
payments maxohvac:
- wallet: apple-pay
- credit card: visa
- other
shipping maxohvac:
- service: standard
- transit: 27-32 days
- type: fixed
- class: standard
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: returns accepted
- paid by: buyer
- time: 30 days
- method: money back
seller maxohvac:
- rating: 99.5%
- city: 1 millennium dr, willingboro, nj 08046
- # reviews: 191363
offer maxohvac:
- options: ship-to-home
- in stock #: 1
- availability: in stock
- sold #: 12
- price: $110.54
- item condition: Used
- started: february 22, 2026
