LELB1-1RS4-39917-70-V Circuit Protection

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Circuit breakers are devices that regulate the flow of electricity along an electrical line or circuit. They are used in industrial, commercial, and residential settings to ensure safety and stability for electrical systems. The LELB1-1RS4-39917-70-V is an example of a circuit breaker specifically designed for outdoor applications and is suitable for use in areas with higher ambient temperatures.

The LELB1-1RS4-39917-70-V is a single phase, three pole, class-C circuit breaker with high interrupting current ratings. It also features a mechanical trip unit and is suitable for use with both AC and DC. The circuit breaker is UL rated and can be used in a variety of applications including residential, commercial, and industrial. Its current rating is 70A and its interrupting current rating is 125A. Additionally, it has an operating temperature range of -55°C to 70°C.

The working principle of the LELB1-1RS4-39917-70-V circuit breaker is determined by the type of circuit breaker chosen. It can be either a thermal overload, electronic, or magnetic trip unit. The overload type is designed to protect the equipment by detecting gradual increases in the current. When the current reaches a predetermined level, the breaker trips and stops the flow of electricity. An electronic trip unit provides similar protection while allowing for more intricate protection settings.

The magnetic trip unit is designed to provide instantaneous protection against short circuits or large increases in current. It works by detecting the build-up in the current and uses this to initiate a magnetic force. This force triggers a mechanical switch that opens the circuit and stops the flow of electricity. All LELB1-1RS4-39917-70-V circuit breakers are UL certified and are suitable for use outdoors in areas where ambient temperatures can reach up to 70°C.

The LELB1-1RS4-39917-70-V is an example of a circuit breaker specifically designed for outdoor applications and can be used in a wide variety of settings including residential, commercial, and industrial. It features a single pole, three pole, class C design and is UL rated. It has a maximum current rating of 70A and an interrupting current rating of 125A. Additionally, it has an operating temperature range of -55°C to 70°C. Depending on the chosen design, the working principle of the LELB1-1RS4-39917-70-V can be either thermal, electronic, or magnetic. All of these components combine to create an excellent solution for outdoor electrical protection.

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