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Both circuit breakers and relays are common tools used to protect important devices. They are used in industrial equipment and power systems. As we all know,  A Relay can divert signals between two different electric circuits, whereas a circuit breaker can only stop or interrupt the current, besides this, we'll talk about The differences between the Relay and the Circuit breaker will be explained in this article.

RELAY

The Relay is a switching device that gives a signal to the circuit breaker as soon as the fault occurs in the power system. Relays operate on low power input voltage. The Relay can not break the contact. It only senses the error and sends the signal to the circuit breaker. It is used to control or select one among many circuits. Relay can be used as an amplifier in case of discrete signals i.e., it converts one signal into many, amplifies a low voltage signal into a high voltage signal, and vice versa

CIRCUIT BREAKER

A Circuit Breaker is a controlling and protective device that makes and breaks the circuit manually or automatically in case of normal and fault conditions like short circuit and over-current, etc. A circuit breaker breaks the circuit automatically when it receives the signal from the relay. It breaks the circuit contacts. The Circuit breaker is an isolating or disconnecting device. The Circuit breaker is an automatic on-load device. It uses one per circuit. A circuit breaker does not act as an amplifier. Circuit breakers can be used for low as well as high power circuits, as their operation is automatic on load devices.

Finally, a relay may be included in a Circuit breaker, but circuit breaker is not included in the relay.

Ricocnc can supply a series of Relays and Circuit Breakers, like:

PKZM0-6.3 EATON MOELLER Motor-protective circuit-breaker

PKZM0-2.5 Eaton Moeller Motor-protective circuit-breaker

PKZM0-16 EATON Moeller Motor-protective circuit-breaker

PNOZ c2 24VDC 2n/o Pilz 710002 Safety relay

773310 PDP20 Pilz F4 mag Safety Relay

Welcome your inquiry.