R21-1REF..S00426296

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Introduction

Circuit breaker is a type of electrical device which is mainly used for the protection of a circuit from overcurrent or overvoltage. The R21-1REF..S00426296 circuit breaker is a compact solution designed for low-voltage motor control applications. It is available in two models, which are single-pole and three-pole. The single-pole model is typically used in applications where the motor control and protection are located at the motor source. The three-pole model is used in applications where the motor control and protection are located at the motor output.

Application Field

The R21-1REF..S00426296 circuit breaker is suitable for a wide range of applications and the most common are in the HVAC and other motor control system, such as those in residential, commercial, and industrial applications. This circuit breaker is ideal for use in applications where space is limited, such as in tight junction boxes or junction boxes that have limited access due to tight bends. The three-pole model has the ability to provide protection for three separate circuits from one breaker unit. It is also suitable for use in applications that require high starting and overload current, such as in motors and pumps.

Working Principle

The working principle of the R21-1REF..S00426296 circuit breaker is based on a thermal-magnetic trip mechanism. The thermal-magnetic trip mechanism uses a combination of a thermal element and a magnetic element to detect the current levels in the circuit. When the current levels exceed the preset limit, the thermal element in the breaker heats up and causes the contacts to trip, thereby breaking the circuit. This helps prevent overcurrents, which can cause serious damage to the motor, as well as equipment and electrical wiring.

Advantages

The main advantage of the R21-1REF..S00426296 circuit breaker is its compact design which helps to save space in a crowded junction box or installation. Its compact size also allows it to fit into narrow spaces, such as wiring enclosures or junction boxes with tight bends. Additionally, the breaker is able to detect the current levels in the circuit accurately, thereby providing reliable protection for equipment, motors, and other electrical circuitry.

Conclusion

The R21-1REF..S00426296 circuit breaker is a compact and reliable solution for protecting circuits from overcurrent or overvoltage. It is suitable for use in a wide range of applications, such as in HVAC, motor control system and in residential, commercial, and industrial applications. The breaker is based on a thermal-magnetic trip mechanism which helps to detect current levels in the circuit and trip the breaker when the current levels exceed the preset limit. The compact design of the R21-1REF..S00426296 makes it ideal for use in applications where space is limited, as well as applications that require high starting and overload current.

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