Thyristor Firing Mode; Zero Crossing(Zc) - Honeywell CD3000S-3PH User Manual

User's Manual

7. Thyristor firing mode

ZERO CROSSING
VOLTAGE SUPPLY (V)
LOAD VOLTAGE (V)
SSR from controller
CD3000S-3PH from 125A to 500A
21

7.1 Zero Crossing(ZC)

ZC firing mode is used with Logic Output
from temperature
Thyristor operate like a contactor. The Cycle
time is performed by temperature controller.
ZC minimize interferences
Thyristor unit switch ON-OFF at zero voltage.
Honeywell
controllers and the
because the
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