
REL234 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.57 | Condition is New other (see details), Formula Auto Parts Multi Purpose Relay REL234, shipping cost = $5.95 | ![]() |

The Formula Auto Relay Model RE234 is a high-performance, solid-state automotive relay designed for use in various applications where a reliable, quick-acting switching solution is required. This versatile relay can handle up to 30 amperes of current and can switch loads up to 150 volts.
The RE234 is built with a high-speed, silicon-controlled rectifier (SCR) technology, which allows it to switch on and off almost instantaneously, making it an excellent choice for applications such as high-performance ignition systems, high-power accessory circuits, and heavy-duty HVAC systems.
The relay features a compact design, measuring just 1.5 inches long, 1.2 inches wide, and 0.6 inches high, making it ideal for use in tight spaces. It also boasts a low on-state resistance of 0.15 , ensuring minimal power loss and efficient energy transfer.
The Formula Auto Relay RE234 is built to withstand the rigors of automotive environments. It is sealed against moisture, dust, and other contaminants, ensuring reliable operation in harsh conditions. It also features gold-plated contacts to minimize oxidation and ensure a secure connection.
The relay comes with a built-in diode for inductive loads and features a flyback suppression diode to protect against voltage spikes. It also has a protective fuse to prevent damage from overcurrent.
The RE234 is easy to install and can be controlled using a variety of methods, including a manual switch, a simple resistor, or a control signal from a microcontroller. It comes with mounting holes and a protective rubber grommet to ensure a secure installation.
In summary, the Formula Auto Relay Model RE234 is a high-performance, compact, and reliable solid-state automotive relay that can handle heavy loads and switch them quickly and efficiently. Its rugged design and versatile control options make it an excellent choice for a wide range of automotive applications.
Formula Auto Relay Model RE234 is a 12V DC coil-less relay commonly used in automotive applications. Here are the pros and cons of buying this relay.
Pros:1. Coil-less design: The relayoperates without an electromagnetic coil, which reduces the size of the relay and eliminates the need for an additional power source to operate the relay. This can be beneficial in applications where space is limited or where an additional power source for the coil is not readily available.
2. High load capacity: The relay can handle up to 15A of current and 230VAC or 30A of current and 12VDC of voltage, making it suitable for heavy-duty applications.
3. Fast switching time: The relay can switch contacts in as little as 2ms, which is faster than many other relays in its class. This can be advantageous in applications where quick response time is necessary.
4. Durable construction: The relay is built with a robust design, including gold-plated contacts and a high-temperature insulation material, which makes it suitable for use in harsh environments.
Cons:1. Limited voltage rating: The relay is rated for a maximum voltage of 30VDC or 120VAC, which may not be sufficient for some applications.
2. High inrush current: The relay can draw a high inrush current when it switches on, which can cause voltage drops in the battery or other electrical components in the system.
3. Limited availability: The Formula Auto Relay Model RE234 may not be as widely available as some other relays, which could make it more difficult to find and purchase.
Conclusion:The Formula Auto Relay Model RE234 is a high-performance, coil-less relay that is well-suited for heavy-duty automotive applications where fast switching times and high load capacity are necessary. Its durability and compact size are additional benefits. However, its limited voltage rating, high inrush current, and limited availability are potential drawbacks.
Recommendation:If you are looking for a reliable and high-performance relay for heavy-duty automotive applications, the Formula Auto Relay Model RE234 is a good option to consider. However, if you require a higher voltage rating or a lower inrush current, you may want to consider other relays that better meet your specific needs. Overall, the Formula Auto Relay Model RE234 is a solid choice for those who need a dependable and powerful relay for their automotive project.
Details:
Contact material: silver. Country of origin: china.: Auto part.: connector type: screw.
Package dimensions: 3.81 cm x 5.207 8.89. Features: package quantity: operation mode: Automatic. Package dimensions: 3.5 x 2.05 1.5 inches.
Upc: contact type: normally open. Mounting type: din rail mount.
specifications audioproequip:
- brand: Formula Auto Parts
- mpn: Rel234
- upc: 817224028662
- gtin: 00817224028662
seller audioproequip:
- # reviews: 899
- city: us
- rating: 98.2%
shipping audioproequip:
- type: fixed
- service: economy
- class: economy
- transit: 4-8 days
payments audioproequip:
- credit card: diners-club
- other
- wallet: paypal
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
offer audioproequip:
- availability: in stock
- options: ship-to-home
- sold #: 8
- in stock #: 1
- price: $6.57
- item condition: New other (see details)
- started: march 1, 2026
returns audioproequip:
- paid by: buyer
- time: 30 days
- policy: returns accepted
- method: money back

