Single phase AC SSR solid state relay

  • Categories:Solid State Relay
  • MOQ:1
  • Brand:Trihero
  • FOB Port:Shanghai port, Ningbo port
  • Terms of Payment:Western Union, T/T, Paypal
  • Delivery Time:7 Working Days

Single phase AC Solid State Relays


● Dielectric strength 4000V

● Photo isolation

● Zero cross or random turn-on

● Removable finger proof cover available

● Double SCR AC output

● Panel mount

● DC or AC control

● Built-in RC


Models explanation:

single phase ac ssr 6

1. SY – design code

SYDH – single-phase solid state relay (10 – 120А)

SYDM – industrial class solid state relay (100 – 500А)

SYTH – three-phase solid state relay (10 – 120А)

SYTR – motor reversing solid state relay (10 – 40А)

2. 40 – load current 40А (10 – 500А)

3. 48 – load voltage 24-480V AC, 38 – 24-380V AC, 23 – 5-220V DC

4. ZD3 – control signal type(swithing mode)

VA – variable resistor 220-560кОм/2Вт (phase control)

LA – analog signal 4-20мА (phase control)

VD – analog signal 0-10V DC (phase control)

ZD – control voltage 10-30V DC (switching at zero crossing)

ZD3 – control voltage 3-32V DC (switching at zero crossing)

ZA2 – control voltagte 70-280V AC (switching at zero crossing)

DD3 – control voltage 3-32V DC (DC voltage switching)


Load voltage Control voltage Rated current
10A 25A 40A
480 VAC 3-32 VDC SYDH1048ZD3 SYDH2548ZD3 SYDH4048ZD3
70-280V AC SYDH1048ZA2 SYDH2548ZA2 SYDH4048ZA2
Load voltage Control voltage Rated current
60A 85A 100A 120A
480 VAC 3-32 VDC SYDH6048ZD3 SYDH8048ZD3 SYDH10048ZD3 SYDH12048ZD3
70-280V AC SYDH6048ZA2 SYDH8048ZA2 SYDH10048ZA2 SYDH12048ZA2

Technical specifications:

Items SYDHxxxxxZD3 SYDHxxxxxZA2
Load voltage 24-480V AC
Control voltage 3-32V DC 70-280V AC
Current consumption in control circuit 3-25mA ≤12mA
Voltage ON/OFF 3V DC/1V DC 70V AC/10V AC
Peak voltage 1000V AC
Voltage drop in load circuit ≤1.6V AC
Leakage current(off-state) ≤10мА
Switching time ≤10мs
LED indication yes
Dielectric strength 2500V AC (1min)
Insulation resistance 500МОм with 500V DC
Operating temperature -30…+75°C
Relative humidity ≤95%; (non-condensing)
Dimensions 57.4х44.8х32mm
Mounting method Screws on
Weight ≤135g

Outline dimensions & Wiring diagram:

single phase ac ssr 7

single phase ac ssr 8

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