W91-X1040-15

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When it comes to electrical circuit protection, circuit breakers are an essential tool for maintaining safety and reliability. The W91-X1040-15 circuit breaker is a great example of a reliable and robust circuit breaker. The W91-X1040-15 is a three-pole, 600-volt circuit breaker suitable for direct current applications. It has a thermal-magnetic trip unit with a manual reset feature and is capable of interrupting up to 15kA at 240V. It is designed for use in medium voltage direct current (MVDC) applications, such as electric vehicle charging stations and industrial equipment.

The W91-X1040-15 circuit breaker is a great choice for MVDC applications because of its ability to meet the requirements of IEC 60364-4-41 and UL 1077. For these reasons, it is often used in commercial and industrial installations. Additionally, it is also designed for service entrance equipment, as well as for use in power distribution systems.

The working principle behind the W91-X1040-15 circuit breaker is relatively simple. The breaker is designed to protect circuits from overcurrent or short-circuit faults by tripping the breaker at a preset level of current. This level is set by a thermal-magnetic trip unit. As current passes through the breaker, the trip unit monitors the current level and will open the circuit breaker if the current level exceeds the preset limit.

The breaker also has a manual reset feature. This feature allows the breaker to be reset by flipping the reset switch. This is useful if the breaker trips due to a minor fault or surge. The breaker can then be reset and the circuit can be restarted.

The W91-X1040-15 is a reliable and robust circuit breaker that is designed for use in medium voltage direct current applications. Its thermal-magnetic trip unit is capable of interrupting up to15kA at 240V, and it is designed for IEC 60364-4-41 and UL 1077 compliance. Its manual reset feature allows for quick resetting of the breaker, making it an ideal choice for protecting circuits from overcurrent or short-circuit faults.

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