Solid state voltage regulator(SSVR),Phase angle controller,0-10V,4-20mA,potentiometer

  • 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

Solid state voltage regulator,Phase Control SSR


● Adjustable output voltage

● Analog control signals: 4-20mA, 0-10V DC, variable resistor 220-560kOm

● There isn’t contact bounce and sparks during switching

● Removable finger proof cover available

● Low power consumption

● Panel mount

● Environmental friendly product

Models explanation:

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 signal Rated current
10A 25A 40A
380V AC 4-20мА SYDH1038LA SYDH2538LA SYDH4038LA
220-560кОм SYDH1038VA SYDH2538VA SYDH4038VA
Load voltage Control signal Rated current
60A 80A 100A 120A
380V AC 4-20мА SYDH6038LA SYDH8038LA SYDH10038LA SYDH12038LA
0-10V DC SYDH6038VD SYDH8038VD SYDH10038VD SYDH12038VD
220-560кОм SYDH6038VA SYDH8038VA SYDH10038VA SYDH12038VA

Technical specifications:

Items SYDHхххххLA SYDHхххххVD SYDHхххххVA
Load voltage 24-380V AC
Control signal 4-20мА 0-10V DC 470-560кОм/2W
Leakage current(off-state) ≤5мА
Peak voltage 1000V AC
Voltage drop ≤1.6V AC
Switching time ≤10ms
LED indication no
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:

phase control ssr 7

phase control ssr 8

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