EA2-12NJ NEC Electromechanical Relay

Review NEC Qty. 40 Electromechanical Relay Dpdt 12vdc 2a

The NEC EA2-12NJ is a versatile and reliable 40-pin electromechanical relay designed for use with 12V DC power supplies. It is capable of handling a maximum current of 2 Amperes and is well-suited for applications requiring the switching of electrical loads.

The relay comes with 40 contacts, ensuring extensive compatibility with a wide range of devices and systems. Each contact is rated for a maximum current of 1 Ampere and a resistance of 30 milliohms. The contacts are also gold-plated, which enhances their conductivity and durability.

This 12VDC relay features a coil resistance of 375 ohms and a coil inductance of 1.1 millihenries. The coil power consumption is 4.5 Watts, making it an energy-efficient choice for many applications. The relay operates with a contact bounce time of less than 20 milliseconds, ensuring precise and reliable switching.

The NEC EA2-12NJ is compact, measuring just 72.5mm x 40.2mm x 29.4mm, making it an excellent solution for space-constrained installations. Its robust construction includes a PCB base and a protective steel case, ensuring that it can withstand harsh operating conditions. The relay is also equipped with a latching mechanism, which retains the switch position even after the power has been turned off.

The NEC EA2-12NJ is an ideal choice for various applications, including alarm systems, industrial automation, HVAC systems, and more. Its high current capacity, extensive contact configuration, and reliable switching make it a popular choice among professionals and hobbyists alike. With its exceptional performance and durability, the NEC EA2-12NJ is an excellent investment for any project or application that requires the switching of electrical loads.

The NEC EA2-12NJ is a 40-contact, 12VDC, 2A electromechanical relay. Here are some pros and cons that might help you make a decision about purchasing this relay:

1. High Contact Capacity: With 40 contacts, this relay can handle a large number of circuits, making it a versatile option for various applications.

2. Low Voltage Requirement: Operating at just 12VDC, it is an energy-efficient choice and can be powered by a wide range of voltage sources.

3. Durable Design: The electromechanical design ensures reliable operation and long-lasting performance.

4. Wide Operating Temperature Range: The relay can function in temperatures ranging from -40 C to 85 C, making it suitable for use in various environments.

5. Easy to Install: The relay is designed with a standard size and shape, making it easy to integrate into most systems.

1. Manual Operation: Electromechanical relays operate mechanically, meaning they do not have the same switching speed as solid-state relays.

2. Higher Power Consumption: Compared to solid-state relays, electromechanical relays consume more power when in operation.

3. Bulkier Size: Due to the mechanical components, electromechanical relays are generally larger and heavier than solid-state relays.

4. Limited Switching Frequency: The mechanical switching action limits the maximum switching frequency, making it less ideal for high-speed applications.

In conclusion, the NEC EA2-12NJ 40 electromechanical relay is a reliable and versatile option for applications requiring a large number of contacts and low voltage operation. Its durability and wide temperature range make it suitable for use in various environments. However, it may not be the best choice for high-speed applications due to its slower switching time and higher power consumption compared to solid-state relays.

Based on the given information, if you require a reliable and versatile relay for a low-voltage application with a large number of contacts, the NEC EA2-12NJ 40 electromechanical relay could be a good choice for you. If, however, you need a relay for high-speed applications, you may want to consider a solid-state relay instead.

Details:

With a maximum amperage of 2a and coil voltage 12vdc, this dpdt relay offers efficient stable performance. Lot of 40, EA2-12NJ, the Nec EA2-12NJ electromechanical relay is a reliable and durable component designed for electrical industrial applications.

specifications genpurrelays:

• brand: Nec
• mpn: Ea2-12nj
• type: Electromechanical Relay
• maximum amperage: 2a
• coil voltage: 12v
• number of pins: 10-pin
• features: Non Latching

offer genpurrelays:

• in stock #: 5
• started: february 18, 2026
• availability: in stock
• prices: $9.31–$280.00
• item condition:
  • New
  • Used
• sold #: 10
• options: ship-to-home

general genpurrelays:

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

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