MS27400-6 STRUTHERS-DUNN Polarized Relay Specs

Review STRUTHERS-DUNN Polarized Electromagnetic Relay Read Specs

The Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay is a 4-pole, 4-throw (4PDT) relay, designed for use in various automotive and industrial applications. This relay is manufactured by Struthers-Dunn, a trusted name in the electrical components industry, known for its high-quality and reliable products.

This 4PDT relay comes with six form C contacts, which are polarized to ensure proper connection and reduce the risk of incorrect wiring. Each contact has a current rating of 10 amperes at 125 volts AC, making it suitable for handling moderate current loads. The relay operates on a 12-volt DC coil and has a coil resistance of 150 ohms.

The MS27400-6 FCA-410-6 Polarized Relay features a gold-plated contact surface, which ensures excellent conductivity and longevity. It also has a compact size of 1.5 inches (38.1mm) long, 1.3 inches (33.0mm) wide, and 0.8 inches (20.4mm) high, making it easy to install in tight spaces.

The relay is designed to operate in temperatures ranging from -40 F to 185 F (-40 C to 85 C), making it suitable for use in various environments. It also has a maximum switching capacity of 25 amperes at 250 volts AC, ensuring it can handle heavy loads.

The MS27400-6 FCA-410-6 Polarized Relay is RoHS compliant and meets the requirements of various automotive and industrial standards, including ASTM B115, UL1275, and VW Type E. It also comes with a one-year warranty, providing peace of mind to customers.

Overall, the Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay is a versatile and reliable electrical component, suitable for use in various automotive and industrial applications where a 4PDT relay with six polarized contacts is required. Its high-quality construction, excellent conductivity, and wide operating temperature range make it a popular choice among engineers and technicians.

Pros and Cons of Buying Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay 4PDT

The Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay 4PDT is an electrical component used to switch electrical circuits. It has six Form A contacts and is suitable for applications requiring multiple switching functions. In this analysis, we will discuss the advantages and disadvantages of purchasing this relay.

1. Reliability: Struthers-Dunn is a well-known brand in the electrical industry, and their products, including this relay, are known for their high reliability.

2. Versatility: This relay's 4PDT design allows it to switch multiple circuits simultaneously, making it a versatile component for various applications.

3. Polarized Design: The polarized design of the relay ensures proper contact engagement, reducing the risk of arcing and potential damage to the component.

4. Compact Size: The MS27400-6 FCA-410-6 is relatively compact, making it suitable for applications with limited space.

1. Cost: Compared to some other relays in the market, this Struthers-Dunn model can be more expensive.

2. Limited Operating Temperature Range: The relay's operating temperature range may not be suitable for extreme temperatures, which could limit its application in certain environments.

3. Requires External Coil: The relay requires an external coil to operate, which can add to the overall system complexity.

The Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay 4PDT offers several advantages, including reliability, versatility, compact size, and polarized design. However, its high cost, limited operating temperature range, and the need for an external coil are potential disadvantages. Ultimately, the decision to purchase this relay depends on the specific requirements of your application, budget, and the availability of alternatives.

If your application demands a reliable, versatile, and compact 4PDT relay that can switch multiple circuits, and you are willing to pay a premium for the brand and features, the Struthers-Dunn MS27400-6 FCA-410-6 Polarized Relay 4PDT could be a suitable choice. However, if cost is a concern or your application requires a wider operating temperature range, it may be worth considering alternative options from other manufacturers.

Details:

Specifications: it is a 4PDT four-pole, double-throw relay rated for 10 amps. 30 day return shift USPS. Struthers-dunn FCA-410-6 polarized electromagnetic relay 4PDT. Struthers-dunn FCA-410-6 electromagnetic relay.

specifications genpurrelays:

• brand: Struthers-dunn
• mpn: Ms27400-6
• model: Fca-410-6
• power rating: Va
• maximum amperage: 10 Amp
• number of pins: 14-pin
• coil voltage: 28 Vdc
• country of origin: United States

general genpurrelays:

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

returns genpurrelays:

• method: money back
• time: 30 days
• policy: returns accepted
• paid by: buyer

seller genpurrelays:

• rating: 100.0%
• city: milford, connecticut
• # reviews: 5769

offer genpurrelays:

• sold #: 11
• best offers: true
• prices: $75.00–$120.00
• item condition: New – Open box
• in stock #: 3
• options: ship-to-home
• started: february 17, 2026
• availability: in stock

shipping genpurrelays:

• transit: 4-8 days
• carrier: usps
• type: fixed
• service: usps ground advantage
• class: standard

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• other
• wallet: apple-pay
• credit card: discover