American Time manufactures system secondary replacements for Simplex clocks, including wired synchronous and 24vdc minute impulse correction.
The AllSync Plus® replacement clocks use a solid state circuit board movement instead of the traditional mechanical movement and use up to 80% less energy.
AllSync Plus® 6310-9200 Series Molded Case System Clocks
AllSync Plus® 2310-9200 Series Steel Case System Clocks
Mechanical 24vdc Minute Impulse Molded Case System Clocks
Mechanical 24vdc Minute Impulse Steel Case System Clocks