JLM-1-1RLS4-33357-250-V Circuit Protection

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Circuit breakers serve a vital role in ensuring the safe operation of electrical systems. JLM-1-1RLS4-33357-250-V circuit breakers are designed to effectively prevent damage due to high current, short circuit, and overloads. This article will discuss the application field and working principle of JLM-1-1RLS4-33357-250-V circuit breakers.

The JLM-1-1RLS4-33357-250-V circuit breaker features a universal design that can be used in a variety of applications. This device is suitable for direct AC 120/240V main lug load centers, as well as 120/240V 3-phase, 4-wire systems. In addition, it can be used with various types of motor control centers, including lighting contactor, breakers, and relays. The JLM-1-1RLS4-33357-250-V circuit breaker is available in two amperages: 30 and 15.

The element of the JLM-1-1RLS4-33357-250-V circuit breaker is designed to detect when the current is exceeded or when a short circuit or ground fault occurs. When this happens, the contacts inside the breaker open, disconnecting power from the circuit. The contacts are held open by a thermal release or magnetic trip element, depending on the model. The thermal release element is a current sensitive coil, with a built-in thermal fuse. The magnetic trip element is a metal alloy core enclosed in a coil. When current passes through it, the core generates a magnetic field, and when the current exceeds the trip setting of the breaker, the mechanism triggers, breaking the circuit.

The JLM-1-1RLS4-33357-250-V circuit breakers also feature a built-in, secondary overload protection. This secondary overload protection is designed to prevent a dangerous, runaway electrical situation before it occurs. The secondary overload protection circuit detects temperature changes in the line before they cause damage to the connected device. When the temperature exceeds a predetermined point, the breaker will automatically open and disconnect the circuit.

To ensure that the JLM-1-1RLS4-33357-250-V circuit breaker operates correctly, the breaker must be installed according to the manufacturer’s instructions. Prior to installation, it must also be calibrated using a factory approved calibrator. Once installed, the circuit breaker can be tested by running an overload on the line to ensure that it is functioning properly.

In conclusion, JLM-1-1RLS4-33357-250-V circuit breakers are designed to effectively prevent damage due to high current, short circuit, and overloads. They feature a universal design that can be used in a variety of applications, and their component materials provide reliable protection against unexpected and potentially dangerous situations. In order for the circuit breaker to operate properly, however, it must be installed and calibrated according to the manufacturer’s instructions, and must be tested for operation once installed.

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