HITACHI 4475551 Relay

( Brand: Hitachi ), ( Manufacturer Part Number: 4475551 )

Review HITACHI Relay

Hitachi 4475551 SPST-NO Relay (Single-Pole, Single-Throw, Normally Open)

The Hitachi 4475551 SPST-NO (Single-Pole, Single-Throw, Normally Open) Relay is a versatile and reliable electronic component designed for a wide range of applications. This relay, crafted by the trusted brand Hitachi, offers exceptional performance, durability, and consistency.

The SPST-NO Relay features a single-pole, single-throw mechanism, with two contacts that can either be normally open or normally closed, depending on the power supply. This design allows for simple and effective on/off switching of electrical circuits. The no-load contact rating of this relay is 10A, making it suitable for medium current applications.

The Hitachi 4475551 relay operates on a coil voltage of 12 VDC and consumes a coil current of 50 mA, ensuring minimal power consumption and contributing to energy efficiency. It offers a contact rating of 300 million operations, demonstrating its long-term reliability and durability.

The relay housing is made of high-quality, flame-resistant material, ensuring safety and resistance to high temperatures. The terminal arrangement is in a compact format, allowing for easy installation and wiring in various electronic devices. The Hitachi 4475551 SPST-NO Relay is an ideal choice for applications in industrial automation, home appliances, HVAC systems, and more.

In summary, the Hitachi 4475551 SPST-NO Relay is a high-quality, long-lasting, and versatile electronic component that provides reliable on/off switching for various electrical circuits. Its compact design, energy efficiency, and high-temperature resistance make it a valuable addition to numerous applications, ensuring seamless operation and peace of mind.

The Hitachi 4475551 relay is a 5-pin, SPDT (Single Pole Double Throw) relay, often used in various electronic applications. Here are some pros and cons to consider before making a purchase:

1. Reputable Brand: Hitachi is a well-known and respected brand in the electronics industry, which often guarantees quality and reliability.

2. Wide Operating Voltage Range: The relay can operate between 5V and 60V DC, providing flexibility in various applications.

3. High Contact Rating: With a contact rating of 1 A at 250V AC or 30V DC, the relay can handle a decent amount of current.

4. Compact Size: The compact dimensions make it suitable for space-constrained projects or applications.

1. Limited Coil Rating: The coil rating of 0.12VA may not be sufficient for high-power applications requiring more current.

2. No High-Temperature Option: The standard version of this relay can only operate up to a maximum temperature of 85 C, which may not be suitable for high-temperature environments.

3. Potential for Noise: Relays can generate a clicking sound when switching, which might not be desirable in silent or noise-sensitive applications.

4. May Require External Diode for Coil Protection: Some users have reported the need for an external diode to protect the coil from inductive spikes, which could add to the cost and complexity of the project.

The Hitachi 4475551 relay is a good choice for moderate-current applications requiring a compact, reliable, and low-cost solution. However, if you're dealing with high-power or high-temperature environments, you may want to consider alternative options with higher coil and contact ratings or temperature specifications. Additionally, ensure that your design includes necessary protections, such as an external diode, to prevent coil damage.

If the Hitachi 4475551 relay seems like a good fit for your project, I recommend purchasing it from a reputable seller to ensure its authenticity and quality. Additionally, be mindful of the design requirements mentioned earlier to ensure optimal performance and longevity of the relay.

Details:

Engineered using the latest technology to ensure product lasts longer in service. Made of high-quality components for durability, reliability, and performance. Manufactured following strict OE standards to work like the original component. Hitachi 4475551 Relay: Part Number: Manufacturer.

Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

part #: 4475551 prices

• $179.58-$300.77

specifications ouboaen:

• brand: Hitachi
• mpn: 4475551

returns ouboaen:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping ouboaen:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 3-8 Days

offer ouboaen:

• quantity: 5
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: November 4, 2025
• sold: 0

seller ouboaen:

• rating: 98.6%
• # reviews: 57417
• city: Los Angeles, California

payments ouboaen:

• credit card: Mastercard
• other
• wallet: Paypal

general ouboaen:

• condition: New
• Boat Parts > Outboard Engines Components > Other

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