In remote control switching systems, the ON position described as 'latched' means what?

In remote control switching systems, the ON position described as 'latched' means what?

• A. The contact armature returns to OFF when control voltage is removed.
• B. The ON position requires continuous current to stay energized.
• C. The contact armature remains in the ON position after the control voltage is removed.
• D. The ON position cycles rapidly between ON and OFF.

Answer: (C)

Latched ON means the contact stays in the ON state even after the control voltage is removed. The mechanism uses a latch or magnetic/mechanical hold to lock the armature in place once it’s energized. So a brief energizing pulse sets the state, and no continuous current is needed to keep it ON. This is different from devices that require continuous current to stay energized, or that return to OFF when power is removed, or that would rapidly cycle between states. The key idea is that the ON position is maintained without ongoing input.

Latched ON means the contact stays in the ON state even after the control voltage is removed. The mechanism uses a latch or magnetic/mechanical hold to lock the armature in place once it’s energized. So a brief energizing pulse sets the state, and no continuous current is needed to keep it ON. This is different from devices that require continuous current to stay energized, or that return to OFF when power is removed, or that would rapidly cycle between states. The key idea is that the ON position is maintained without ongoing input.