© ABB21 April 2023

Mohamad Farid, PPMV, 22/06/2015

| Slide 1

© ABB21 April 2023

Allows opening control of the circuit breaker

This coils are energized to open circuit breaker

Opening Release (-MO1)

| Slide 2

© ABB21 April 2023

Opening Release (-MO1)

| Slide 3

© ABB21 April 2023

Allows closing control of the circuit breaker

This Coils are energized for close circuit breaker

Closing Release (-MC)

| Slide 4

© ABB21 April 2023

Closing Release (-MC)

| Slide 5

© ABB21 April 2023

To block Circuit breaker from closing

Coil energized, cannot block CB from closing

Coil de energized, can block CB from closing.

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Electromechanical Lock CB Closing (-RL1)

| Slide 6

© ABB21 April 2023

Electromechanical Lock CB Closing (-RL1)

| Slide 7