Input signal: 0～10mA DC(Impedance : 800 or 1KΩ) 4～20mA DC（Impedance : 250Ω)
Pulse amplitude: ZK-1、ZK—0>3V(200Ω load)
ZK-3、ZK-3A、ZK-3B ZK-03、ZK—03A、ZK-03B>4V(200Ω load)
ZK-3A、ZK-3B、ZK-03A、ZK—03B、 ZK-30(60o complement pulse per half week)
Pulse width: ZK-1、ZK-3>30itS
ZK-0、ZK-3A、ZK-3B、ZK-03A、 ZK-30B>200μs
Maximum conduction angle >150o
Zero-crossing triggering cycle：ZK-0、ZK-03：5±2S
ZK-03A、ZK-03B、ZK-30C ：7～10±2S
Supply voltage: 220V AC±10％
Working temperature: 0～50℃ ,relative humidity: ≤85％RH ,vibration-free and non-corrosive gases occasions.
Model specification
|
functions |
model specification |
Terminal diagram No. |
|
single-phase phase-shift trigger |
ZK-1、 ZK-1C |
76-01～02 |
|
single-phase zero-crossing trigger |
ZK-O、 ZK-0C |
76-03～04 |
|
three-phase phase-shift trigger |
ZK-3、ZK-3A、ZK-3B |
76-05 77-03～02 |
|
three-phase phase-crossing trigger |
ZK-03、ZK-03A、ZK-3B |
77-01 77-05～04 |
|
three-phase phase-crossing /phase-shift trigger |
ZK-30A、 ZK-30B ZK-30C |
78—01 |
Note:
ZK-3, ZK-03 is as a three-phase half-controlled, improved version is semi-control or full control
“C”is the installation type of instruments一wall
ZK-3A、ZK-3B、ZK-03A、ZK-03B are improved instruments and “A” is horizontal, “B” is straight.
Three-phase trigger ZK 3A(B)、ZK-03A(B)、ZK-30A(B)、ZK-30C Extensible functionality：Soft start, over-current protection, soft start and overcurrent protection, inductive loads such as zero-crossing triggering.
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