Control lamp LK-BZ-703K is used to visually signal the presence of voltage in individual phases of a 3-phase network.
With built-in protection.
red-yellow-green LED.

Control lamp LK-BZ-701G is usedto visually signal the presence of voltage in 1-phase mains.
With built-in protection.
1 x LED green.

Control lamp LK-BZ-701R is usedto visually signal the presence of voltage in 1-phase mains.
With built-in protection.
1 x LED red.

Control lamp LK-BZ-701Y is usedto visually signal the presence of voltage in 1-phase mains.
With built-in protection.
1 x LED yellow.