R043D3012 NTE Frame Amp Spst

Review NTE Electronics Relay-12vdc 30spst-n/o Heavy Duty Open Frame

The NTE R043D3012 is a 12V DC, 30 Amp, Single Pole, Single Throw (SPST) Normally Open (N/O) relay. This relay is manufactured by NTE Electronics, a leading provider of high-quality semiconductor components.

The NTE R043D3012 is designed to handle a maximum voltage of 12V DC and a maximum current of 30 Amps. This makes it an ideal choice for various applications where high current switching is required. The relay operates as a single pole, single throw switch, meaning it can only switch between two states - on and off.

The relay comes in a standard frame size of 30, which is a common size used in many industrial and commercial applications. It is a normally open relay, meaning that when the relay coil is de-energized, the contacts are open. When the coil is energized, the contacts close, making the connection between the two terminals.

The NTE R043D3012 is a reliable and robust component, capable of handling high currents and voltages. It is suitable for use in a wide range of applications, including industrial automation, HVAC systems, power supplies, and more. The relay's durable construction ensures long-lasting performance and reliability, even in harsh environments.

The NTE R043D3012 is easy to install and operate. It comes with four terminals - two for the coil and two for the contacts. The coil terminals are marked with the letters 'NC' and 'NO', indicating the Normally Closed and Normally Open contacts, respectively. The contact terminals are marked with the letters 'COM' and 'NO', indicating the Common and Normally Open contacts, respectively.

In summary, the NTE R043D3012 is a high-performance, 12V DC, 30 Amp, Single Pole, Single Throw, Normally Open relay. It is suitable for a wide range of applications where high current switching is required and comes in a standard frame size of 30. The relay's reliable and robust construction ensures long-lasting performance and makes it an ideal choice for industrial and commercial applications.

The NTE R043D3012 relay is a 12VDC, 30A, SPST-NO (Single Pole, Single Throw, Normally Open) type of relay. Here are some pros and cons of buying this relay:

1. High current handling capacity: This relay can handle up to 30 Amps of current, making it suitable for applications that require heavy current flow.

2. Normally Open contact: The NO (Normally Open) contact type ensures that the contact is open when the coil is not energized. This can be useful in various control circuits.

3. Wide operating temperature range: This relay can operate in temperatures ranging from -40 C to 85 C, making it suitable for use in various environments.

4. Reasonably priced: The NTE R043D3012 relay is priced competitively, making it a cost-effective solution for applications that require a high current relay.

5. Robust construction: The relay has a robust construction, making it durable and suitable for industrial applications.

1. Requires a larger space: Due to its larger size and higher current handling capacity, this relay may require more space in the control circuit than smaller relays.

2. Higher power consumption: The coil of this relay consumes more power compared to smaller relays, which can increase the overall power consumption of the control circuit.

3. Limited switching frequency: The relay may not be able to switch at very high frequencies due to its larger size and construction.

In conclusion, the NTE R043D3012 relay is a reliable and robust solution for applications that require a high current relay with a wide operating temperature range. Its high current handling capacity, normally open contact type, and reasonable pricing make it a popular choice for various industrial applications. However, its larger size, higher power consumption, and limited switching frequency should be considered before making a purchase.

Based on the information provided, I would recommend the NTE R043D3012 relay for applications that require a high current relay with a wide operating temperature range and a normally open contact. However, it is essential to consider the available space in the control circuit and the switching frequency requirements before making a purchase.

Details:

12vdc nominal coil: standard control voltage with a 70 ohm typical coil resistance and 2.0w power draw. Secure packing dispatch: the relay is securely packed with thick bubble padding to protect the open-frame mechanism, contacts, and screw terminals from shifting or bending during transit. 30 switching capability: features spst-no single pole, single throw, normally open contacts rated for up to amps 120vac / 300vac 28vdc. Covers coil continuity, contact switching, and mechanical actuation.

The device shipped is a genuine Nte electronics R04-3D30-12 unit. Representative image. This component should be installed in accordance with local electrical codes by a qualified electrician or technician. Heavy-duty open frame relay: designed for high-current industrial control applications, including motor starting and incandescent lamp loads.

Ensure that all electrical power sources are completely disconnected and locked out before installation. Nte electronics R04-3D30-12 12vdc 30a spst-no heavy duty open frame relay - new R04-3D30-12: 30 coil. Electrical safety warning: important: installing or replacing heavy-duty power relays involves high- voltage and high-current electrical circuits. Item condition key features: condition: new / unused open box surplus.

Robust build quality: silver cadmium oxide contacts, molded plastic barrier insulation, and secure screw terminals for direct wiring. Manufacturer Nte electronics.

specifications genpurrelays:

• brand: Nte
• mpn: R043d3012
• type: Power Relay
• current type: Dc
• features: Heavy Duty
• application: Electronics
• suitable for: Interior

offer genpurrelays:

• availability: in stock
• best offers: true
• prices: $30.00–$66.38
• item condition:
  • New
  • New – Open box
• options: ship-to-home
• sold #: 9
• started: june 9, 2026

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

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