Thyristors HM3-3PH

Thyristors HM3-3PH

-         THYRISTORS HM3-3PH has been specifically designed to be an Universal Unit.

-         RS485 Comm. MODBUS Protocol Standard.

-         Frontal Key Pad to configure the unit and to read V,I and Power.

-         Configurablity via RS485, USB Port and frontal Key Pad.

-          Microprocessor based electronic circuit fully isolated from power.

-         Universal input signal: RS485,Pot, Analog and SSR.

-         Firing Mode: Zero Crossing and Burst Firing Mode with programmable cycle time.

-         Configurable Control Mode: V, VxI and I.

-         Heather Break alarm to diagnose partial or total load failure and Thyristor Short circuit.

-         Digital input configurable.

-         Fuse and Fuse Holder Standard.

-         Current transformer integrated in Fuse Holder.

-         Comply with EMC, cUL pending.

-         IP20 Protection.

-         Panel mounting.


Technical Specifications:

Voltage power supply From 24V to 480V Max (Std) or 600V on request.
Voltage Frequency 50 or 60 Hz no setting needed from 47 to 70 Hz.
Nominal Current  30A, 35A, 40A
Input Signal SSR (logic) 4:30Vdc 5mA Max (On ≥ 4Vdc Off ≤ 1Vdc);
Voltage input 0:10Vdc impedance 15 K ohm;
Current input 0:20/4:20mA impedance 100 Ohm;
Digital input 4:30V dc 5 mA Max (On > 4Vdc Off < 1Vdc)
Firing  Burst Firing and Zero Crossing with possibility to set
number of Burst and cycle time.
Control Mode  Voltage current and Power selectable via frontal Key 
Pad, and RS485 or via Digital input to transfer from one
control mode to another one to estabilish a control
Auxiliary Voltage Supply 90:130Vac 8VA Max
170:265Vac 8VA Max (Standard)
230:345Vac 8VA Max
300:530Vac 8VA Max (Standard)
510:690Vac 8VA Max
Heater Break Alarm HB alarm setting on front unit or RS485 with possibility
to set sensitivity. Relay output 0,5A at 110V.
Mounting DIN RAIL Mounting or Panel Mounting.
Operating Temperature  40 °C without derating. Over this temperature see below
derating curve.
Storage temperature -25 °C to 70 °C Max.
Altitude Over 1000 m of altitude reduce the nominal current
of 2% for each 100m.
Humidity  From 5 to 95% without condense and ice.



Thyristor HM3-3PH