WESTINGHOUSE BF40F Control Relay 10A 300V

( Brand: Westinghouse ), ( Manufacturer Part Number: BF40F ), ( Part Type: Control ), ( Modified Item: No )

Review WESTINGHOUSE Bf Control Relay 10a 300v

The Westinghouse BF40F Control Relay is a versatile and reliable electrical component designed for various industrial automation applications. This 10A, 300V AC relay is engineered to provide optimal performance and long-lasting durability.

The BF40F Control Relay is a form C, normally open (NO) and normally closed (NC) contact relay. It features a silver-plated contact system that ensures superior conductivity and minimizes contact resistance, thereby reducing wear and tear and enhancing the overall contact life. The contacts are rated for 10,000 make/break cycles, providing excellent reliability in high-usage environments.

This Westinghouse relay comes with a clear, tamper-evident cover that protects the contacts from dust, dirt, and external contaminants. The cover is designed with a quick-release mechanism that allows for easy access to the contacts when maintenance or adjustments are required.

The BF40F Control Relay is built with a rugged, die-cast aluminum housing that provides robust protection against vibrations, shocks, and harsh operating conditions. The housing is also sealed against moisture and dust, making it suitable for use in humid or dusty environments.

The relay operates on a 300V AC power supply and can handle a maximum current of 10A. It has a coil resistance of 250 ohms and an inductive coil voltage drop of 1.5V at full load. The relay has a contact rating of 300V AC and 150V DC, ensuring safe and efficient operation in various industrial applications.

The Westinghouse BF40F Control Relay is designed with a built-in overload protection feature that helps prevent damage to the contacts due to excessive current flow. It also includes a visual indicator that shows the status of the relay normally open (NO) when the contacts are not closed, and normally closed (NC) when the contacts are not open.

The BF40F Control Relay is an essential component in industrial automation systems that require reliable and efficient switching of electrical circuits. Its robust design, long contact life, and easy maintenance make it a popular choice among engineers and maintenance personnel. With its wide range of applications, the Westinghouse BF40F Control Relay is an excellent investment for any industrial automation project.

The Westinghouse BF40F control relay is a 10A, 300V device commonly used in industrial automation applications. Here are some pros and cons of buying this relay:

1. High Voltage and Current Capability: The Westinghouse BF40F relay can handle a voltage of up to 300V and a current of up to 10A, making it suitable for heavy-duty applications.

2. Robust Design: The relay is designed to operate in harsh environments, with a rating of up to 50 degrees Celsius ambient temperature and a 10,000-hour life expectancy.

3. Easy to Install: The relay comes with a standard terminal block, making it easy to install and connect wiring.

4. Versatile: The Westinghouse BF40F relay can be used in a variety of applications, including motor control, machine automation, and process control.

5. Reliable: Westinghouse is a reputable brand known for producing reliable and high-quality electrical components.

1. Cost: The Westinghouse BF40F relay may be more expensive than some other relays with similar specifications due to its high-quality brand and robust design.

2. Size: The relay is larger than some other relays with similar specifications, which may make it less suitable for space-constrained applications.

3. Limited Functionality: The Westinghouse BF40F relay is a basic control relay and does not offer advanced features such as digital communication or programmability.

The Westinghouse BF40F control relay is a reliable and robust device suitable for heavy-duty industrial automation applications that require high voltage and current capabilities. Its high-quality brand and versatile design make it a worthwhile investment for many applications, despite its higher cost and larger size compared to some other relays. If you require advanced functionality or a smaller size, you may want to consider other options.

If you require a reliable and robust control relay for heavy-duty industrial automation applications, the Westinghouse BF40F is an excellent choice. Its high voltage and current capabilities, easy installation, and versatile design make it a valuable investment for many applications. However, if you require advanced functionality or a smaller size, you may want to consider other options.

Details:

Westinghouse BF 40f relay please see my pictures for complete part number and I have three of these available.

part #: bf40f prices

• $20.00-$120.00

specifications aiactuato:

• brand: Westinghouse
• mpn: Bf40f
• part type: Control
• modified item: No

shipping aiactuato:

• carrier: USPS
• type: Calculated
• transit: 5-12 Days
• class: Standard
• cost: $13.70
• service: USPS Ground Advantage

general aiactuato:

• Electrical Equipment Supplies > Relays > Control Machine Tool Relays
• condition: New

offer aiactuato:

• sold: 0
• started: November 1, 2025
• quantity: 3
• options: Ship-to-home
• availability: In Stock

returns aiactuato:

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

payments aiactuato:

• other
• wallet: Google-pay
• credit card: Mastercard

seller aiactuato:

• rating: 99.0%
• # reviews: 3108
• city: Marion, Ohio

Westinghouse BF40F Is Similar To:

• 1739691 Westinghouse Vintage Control Relay Amp Volt New Surplus (54.2% similar) Shows a tiny bit of oxidation or rust on few the screws. Please examine pics closely to judge condition for yourself. This unit has sat in original box for years. Westinghouse NH40 control relay 10 amp, 600 volt, class 15-820NH it is new surplus. It is untested but comes with original paperwork and ...(May 13th, 2019)
• 176c663g01 Westinghouse Industrial Control Relay (58.7% similar) Used Westinghouse industrial control relay cat ar ARB4A176C663G01 10 120 v 60HZ 110V 50 Hz AA-8...(December 2nd, 2018)
• 289b361a17 Westinghouse New Type Auxiliary Relay Volts Style (46.2% similar) Our listings include many detailed photos. Vb industrial supply takes great pride to honestly and accurately describe each item listed. If you ever have any questions or are unsatisfied, for reason please let us know.: new, Westinghouse, type MG-6, auxiliary relay, 115 volts , 289B361A17 style, ...(June 13th, 2019)
• 290b3a6-23a Westinghouse Type Hu Transformer Differential Relay New In Box (45.8% similar) Looks great. Up for your consideration is a Westinghouse type HI transformer differential relay, 290B346A23A. Its new in the original box...(April 26th, 2019)
• 32a1528g06 Westinghouse Av Relay Nos (50% similar) See listing images of actual item, condition and included contents...(November 18th, 2018)
• 765a725g01 Westinghouse Control Relay Type Arb Timer (58.3% similar) Westinghouse control relay type Arab w art-on timer 765A725G01 177C430G01 relay: 10 amp, 110-120VTIMER: sec...(June 1st, 2018)
• 765a959g01 Westinghouse Industrial Control Relay (58.7% similar) Location: 9M8-KT...(February 21st, 2018)
• 766a023g07 Westinghouse 10a Industrial Control (51.1% similar) Location: 20L7 kt...(February 21st, 2018)
• 766a404g01 Westinghouse Industrial Control Relay Cat (60.4% similar) Used Westinghouse industrial control relay cat ARB440A 766A404G0110 A-28...(December 2nd, 2018)
• 766a440g01 Westinghouse Relay (49.3% similar) Westinghouse 766A440G01 120V-AC relay controls D604330 brand:Westinghouse condition: used model: 766A440G01 input voltage ac: 120 v-ac type: shipping...(March 21st, 2018)
• A200m1cac Westinghouse Motor Control Coil Relay (59.3% similar) Good condition LOCATION-17B...(July 8th, 2018)