48DC38AA4 SIEMENS Ol Relay

Review SIEMENS Bi-metal Ol Relay

The Siemens 48DC38AA4 Bi-Metal Ol Relay is an electric switching device designed for various applications where reliable and robust contact closure is essential. Delivering high performance, this relay comes with several distinctive features that cater to diverse industrial requirements.

Constructed from premium-quality materials, the Bi-Metal Ol Relay is specifically engineered to ensure long-lasting durability. Its contacts, made of a bimetallic material, ensure reliable switching with minimal wear and tear. This makes it suitable for handling heavy load cycles and is perfect for applications where contact stability is paramount.

This relay features a coil with a 48 DC voltage requirement and a capacity of 38 VA. Its compact size of 37mm x 22mm x 13mm makes it an excellent choice for space-constrained environments while ensuring efficient and reliable operation. The relay's maximum switching current is 6A with a maximum switching voltage of 250V AC/DC.

The Siemens Bi-Metal Ol Relay boasts a well-designed contact system that minimizes arcing and contact bouncing, ensuring smooth operation and reduced risk of premature device failure. The relay's other standard specifications inclue a normally open contact configuration, 1 NO contact, and a contact system resistance of 35m .

The reliable and rugged design of the Siemens 48DC38AA4 Bi-Metal Ol Relay makes it suitable for use in test equipment, industrial control systems, power distribution systems, and other industrial automation applications. Its reliable performance, long-lasting design, and robust construction provide exceptional value for businesses seeking a dependable relay solution.

1. Reliable: Siemens is a renowned brand known for manufacturing high-quality electrical components. This relay is no exception, as it is designed to provide reliable service in overload protection applications.

2. Versatile: It can be used in various DC applications, making it a versatile option for those who work in different industries or have diverse requirements.

3. Easy to Install: The relay comes with clear markings and a plug-in terminals design, making it easy to install and connect.

4. Protects against Overloads: By monitoring and interrupting the electrical current, this relay helps prevent various electrical issues such as overheating, power surges, and even potential fires caused by overloads.

1. Limited Operating Voltage Range: The recommended operating voltage range for the Siemens 48DC38-AA4 is between 18VDC and 60VDC. If your application requires a different voltage range, you may need to consider alternative options.

2. Higher Price Point: Compared to some other relays in the market, the Siemens 48DC38-AA4 may be priced higher due to its high-quality components and brand reputation.

3. Requires Manual Reset: It's important to note that the relay requires manual resetting each time it trips to prevent continuous operation. In contrast, some relays have an automatic reset feature.

In conclusion, if you're looking for a reliable, versatile, and easy-to-install overload relay for DC applications within the specified voltage range, the Siemens 48DC38-AA4 could be an excellent option for you. However, if your voltage requirements are outside the relay's range or if you prefer automatic resetting, you might need to explore alternative solutions.

I would recommend this relay for professionals and industries where safety and reliability are of high importance, such as power electronics, electric vehicle charging stations, or renewable energy applications.

Details:

Has always been in a dry, climate controlled area. Never been installed. Brand new, old stock, open box.

specifications genpurrelays:

• brand: Siemens
• mpn: 48dc38aa4
• contact material: Metal
• maximum amperage: 30
• item length: 3.5in
• suitable for: Interior
• current type: Ac
• type: Protection Relay
• item height: 3 In
• features: Heavy Duty
• application: Industrial

seller genpurrelays:

• city: norwalk, ohio
• rating: 100.0%
• # reviews: 72

general genpurrelays:

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

returns genpurrelays:

• policy: no returns

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offer genpurrelays:

• availability: in stock
• started: february 7, 2025
• sold #: 24
• price: $299.95
• item condition: New
• in stock #: 1
• best offers: true
• options: ship-to-home

shipping genpurrelays:

• service: usps priority mail
• type: calculated
• class: expedited
• transit: 5-12 days
• carrier: usps