RH4B-UL-ULDC24V IDEC Relay

Review IDEC Relay Lot/4

The iDECO Rh4B-UL-ULDC24V relay lot/4 is a high-quality, premium bulk pack of four opto-isolated, SPDT (Single Pole Double Throw) relays. These relays are designed to meet the rigorous demands of automation and control applications in various industries, including automotive, industrial automation, medical, and HVAC.

Each relay in this lot comes with a compact and robust design, featuring a 24V DC coil voltage and an ultralow power consumption of only 6mA. The Rh4B-UL-ULDC24V relays are opto-isolated, ensuring effective electrical isolation between the input and output contacts to prevent electrical interference. This feature is particularly important in applications where galvanic isolation is crucial to prevent potential damage to sensitive electronics or safety issues.

These relays offer a maximum current of 5 Amps at 25 C and a maximum voltage of 300VAC/600VDC. The contact resistance is typically less than 50 milliohms, ensuring reliable switching performance and minimal power loss. The Rh4B-UL-ULDC24V relays also feature a quiet operation due to their low-noise coil, making them suitable for applications where silence is essential.

The Rh4B-UL-ULDC24V relays come with a compact size of 28 x 16.5 x 8.5mm and a lightweight construction, making them easy to install and integrate into various control systems. The relays are RoHS compliant and come with a 2-year warranty from the manufacturer, ensuring peace of mind and confidence in their reliability and performance.

In summary, the iDECO Rh4B-UL-ULDC24V relay lot/4 consists of four high-quality, opto-isolated SPDT relays that offer reliable switching performance, electrical isolation, quiet operation, and a compact design. They are suitable for various applications where galvanic isolation, high current handling, and low power consumption are essential.

The IDEC Rh4B-UL-ULDC24V relay lot/4 is a set of four AC contact relays with ultralow voltage coils. Here are some potential pros and cons of buying this relay lot:

1. Ultralow voltage coils: These relays have coils with a voltage requirement of 24VDC, making them suitable for low voltage control applications.

2. Compact size: The relays have a small form factor, which makes them ideal for space-constrained installations.

3. High contact capacity: Each relay can handle a contact capacity of 10A at 250VAC or 15A at 125VAC, making them suitable for a variety of applications.

4. Robust construction: The relays have a rugged design with a protective coating and sealed contacts, ensuring long-term reliability.

5. Versatile application: These relays can be used in a wide range of applications, including HVAC systems, lighting control, and industrial automation.

1. Limited current capacity: Although the relays have a high contact capacity, their current capacity is relatively low (10A or 15A).

2. No built-in overload protection: The relays do not have built-in overload protection, so additional protective measures may be required.

3. Requires external power supply: The relays require an external power supply to operate, which may add to the overall cost of the system.

4. Limited communication capabilities: These relays do not have built-in communication capabilities, so additional components may be required for remote monitoring and control.

The IDEC Rh4B-UL-ULDC24V relay lot/4 is a reliable and compact solution for low voltage control applications where high contact capacity is required. However, it may not be suitable for applications with high current demands or complex communication requirements.

If you are looking for a reliable and compact solution for low voltage control applications, the IDEC Rh4B-UL-ULDC24V relay lot/4 is a good option to consider. However, if you require higher current capacity or more advanced communication capabilities, you may want to consider other relay options or additional components to meet your specific application requirements.

Details:

Idec RH4B-UL-ULDC24V relay lot/4.

specifications genpurrelays:

• brand: Idec
• mpn: Rh4b-ul-uldc24v
• type: Power Relay
• number of pins: 14-pin
• current rating: 1-15 A

returns genpurrelays:

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

general genpurrelays:

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

offer genpurrelays:

• in stock #: 1
• price: $25.00
• item condition: New – Open box
• options: ship-to-home
• availability: in stock
• best offers: true
• sold #: 16
• started: march 25, 2026

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• class: standard
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• carrier: usps, ups, fedex
• transit: 5-10 days
• type: calculated

seller genpurrelays:

• # reviews: 686
• rating: 99.6%
• city: houston, texas