SSR-120VA 120A 380V 2W solid state relay voltage regulator with fan heat sink

Features:

● 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:
NKDH......40......48.......ZD3
     1          2        3         4
 

1. 

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

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

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

NKTR – 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)