R4858 HONEYWELL Safety Relay Flame Control

Review HONEYWELL Type 1000 Safety Relay Flame Control Used

The Honeywell R4858 1000 Safety Relay Flame Control is a crucial safety component designed for use in various industrial applications, particularly those involving gas-fired equipment. This reliable and robust safety relay is engineered to provide optimal flame detection and control, ensuring the safe and efficient operation of your machinery.

The Honeywell R4858 1000 Safety Relay Flame Control features an innovative flame sensing design, utilizing a thermocouple element to detect the presence of a flame. This high-sensitivity element is capable of detecting even the smallest flame signals, providing early warning and quick response to potential safety concerns. The flame sensing element is housed in a protective ceramic sheath, ensuring its durability and longevity in harsh industrial environments.

The safety relay offers a user-friendly design, with a clear and easy-to-read status indicator that displays the current flame detection status. This single-pole, double-throw (SPDT) relay comes with normally open (NO) contacts, which close when a flame is detected, allowing for easy integration with other safety systems and control circuits.

The Honeywell R4858 1000 Safety Relay Flame Control is designed to meet the stringent safety requirements of various industries, including oil and gas, petrochemical, and power generation. It is UL 508A and CSA C22.2 No. 61508 certified, ensuring that it meets the highest safety standards for electrical equipment and components.

The safety relay is constructed with high-quality materials and components, ensuring its reliability and longevity. It is designed for continuous operation in temperatures ranging from -40 F to 140 F (-40 C to 60 C), making it suitable for use in a wide range of industrial applications and environments.

In summary, the Honeywell R4858 1000 Safety Relay Flame Control is an essential safety component for industrial applications involving gas-fired equipment. Its innovative flame detection design, user-friendly interface, and robust construction make it a reliable and effective solution for ensuring the safe and efficient operation of your machinery.

Honeywell R4858 1000 Safety Relay Flame Control: A Comprehensive Analysis

The Honeywell R4858 1000 safety relay flame control is a crucial component in safety systems designed to protect against potential fires in various industrial applications. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this safety relay.

1. UL and CSA listed for use in hazardous locations.

2. Capable of monitoring up to 16 flame sensors.

3. Integrated self-diagnostics for improved system reliability.

4. Adjustable flame detection sensitivity.

1. Enhanced safety: By continuously monitoring flame sensors and acting as a safety interlock, the R4858 can prevent potential fires and minimize risks.

2. Scalability: The ability to monitor up to 16 flame sensors makes this safety relay suitable for larger installations.

3. Improved system reliability: The self-diagnostic feature enables the system to identify and address potential issues before they become critical, reducing downtime and maintenance costs.

1. Complex installation: The safety relay requires a precise installation process, including proper wiring and calibration, to ensure optimal performance.

2. Limited compatibility: The R4858 may not be compatible with all flame sensors, requiring users to verify compatibility before purchase.

3. Higher cost: Compared to simpler flame control devices, the Honeywell R4858 1000 safety relay is more expensive due to its advanced features and capabilities.

The Honeywell R4858 1000 safety relay flame control is a robust and reliable solution for industrial applications that require advanced flame detection and control capabilities. Its UL and CSA listing, scalability, and self-diagnostic features make it a valuable investment for enhancing safety and minimizing potential risks. However, its complex installation process, limited compatibility, and higher cost should be carefully considered before making a purchase.

If your industrial application requires advanced flame detection and control capabilities, the Honeywell R4858 1000 safety relay is an excellent choice. Ensure that you have the necessary resources, including skilled personnel and compatible flame sensors, to properly install and configure the device. By carefully considering the benefits and potential drawbacks, you can make an informed decision on whether this safety relay is the right investment for your specific application.

Details:

Any questions contact me and i'll do my best to help, Jesse sold as shown, check pics for details. Honeywell type R4858 1000 2, safety relay, flame control used, this control relay is in used condition, it came out of a parts crib w/ other new and items was kept presumably as spare.

specifications genpurrelays:

• brand: Honeywell
• mpn: R4858
• model: R4858 1000 2
• current type: Ac
• type: Safety Relay
• coil voltage: 120 V
• features: Heavy Duty
• application: Commercial
• suitable for: Interior

seller genpurrelays:

• # reviews: 2335
• city: mckees rocks, pennsylvania
• rating: 100.0%

returns genpurrelays:

• policy: no returns

payments genpurrelays:

• other
• wallet: google-pay
• credit card: visa

offer genpurrelays:

• sold #: 15
• prices: $215.65–$949.24
• item condition:
  • Seller refurbished
  • New
  • Used
  • For parts or not working
  • New – Open box
• availability: in stock
• options: ship-to-home
• in stock #: 5
• started: june 29, 2025

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

shipping genpurrelays:

• transit: 4-10 days
• service: usps ground advantage
• carrier: usps
• type: fixed
• class: standard