KUL-K9A-105 LEACH Electromechanical Magnetic Latching Relay

Review LEACH Electromechanical Magnetic Latching Relay 4-pole Double-throw

The Leach KUL-K9A-105 is an electromechanical magnetic latching relay, offering reliable switching performance in various applications. This 4-pole double-throw relay comes with an attractive and compact design, making it an excellent choice for those seeking a space-saving solution.

Each pole of the KUL-K9A-105 is capable of switching two contacts, providing a total of eight contact terminals. The double-throw mechanism enables the relay to switch between two contact sets for each pole, allowing for greater versatility in system design.

The magnetic latching feature of this relay ensures that it maintains its contacts in the last closed position even after power loss. This makes it an ideal component for battery-operated or standalone systems where maintaining a consistent state is essential.

The Leach KUL-K9A-105 is constructed with high-quality materials, ensuring durability and long-lasting performance. The contact rating for this relay is 10A at 250VAC or 30VDC, providing sufficient current capacity for most low-power applications. The maximum operating temperature is 70 C, making it suitable for use in environments with moderate heat levels.

The relay features a clear and concise marking system on its terminals, allowing easy identification of each contact set. The compact size of the KUL-K9A-105, measuring just 2.5 inches long, 1.5 inches wide, and 1 inch high, makes it an excellent choice for space-constrained installations.

The Leach KUL-K9A-105 is designed to meet the highest standards of electrical performance and reliability, making it a trusted component for a wide range of applications in industries such as automation, telecommunications, and HVAC systems. Its magnetic latching feature, combined with its compact size and versatile double-throw mechanism, makes it an indispensable tool for engineers and technicians seeking a dependable and flexible switching solution.

The Leach KUL-K9A-105 electromechanical magnetic latching relay is a 4-pole double-throw component, which means it can switch four circuits, each with two possible states. Here are some pros and cons that may help you make a decision about purchasing this relay:

1. Magnetic latching: Once the relay is actuated, it stays in the new position until it is deliberately reset, making it suitable for applications where maintaining a stable state is essential.

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

3. Robust construction: The relay features a rugged design with a sealed contact system, making it resistant to dust and moisture, making it suitable for industrial applications.

4. Easy to use: The relay has a simple design and can be easily integrated into various control systems due to its standard size and configuration.

1. Limited current handling capacity: The relay can only handle a maximum current of 5 amperes per contact, which may not be sufficient for high-power applications.

2. Limited coil voltage: The relay can only be operated with a coil voltage of 12-24 volts DC, which may not be suitable for all applications.

3. Manual reset: The relay requires manual reset to return to its original state after being actuated, which can be a disadvantage in applications where automatic reset is necessary.

In conclusion, the Leach KUL-K9A-105 electromechanical magnetic latching relay is a reliable and robust component suitable for applications where maintaining a stable state is essential and the environment is harsh. However, it may not be the best option for high-power applications or applications requiring automatic reset. Therefore, it is essential to consider the specific requirements of your application before making a purchase decision.

Based on the information provided, if the application fits the relay's capabilities, it can be a good choice due to its rugged design, wide operating temperature range, and magnetic latching feature. However, if the application requires high current handling capacity, automatic reset, or a different coil voltage, then it may be necessary to consider alternative relay options.

Details:

Leach KUL-K9A-105 electromechanical magnetic latching relay 4-pole double-throw.

specifications genpurrelays:

• brand: Leach
• mpn: Kul-k9a-105
• country of origin: United States

general genpurrelays:

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

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• in stock #: 1
• started: june 7, 2026
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