Product details

3 phase SCR power regulator HGW8 advanced digital type

HGW8 Series Three-Phase full functional SCR Power Regulator

Product Features

◎ Full-function, fully intelligent SCR power regulator, supporting phase-through, constant current, constant voltage, constant power, zero-crossing, phase zero-crossing control with direct switching.

◎ Multiple setpoint mode options: analog, digital, communication setting, or direct keyboard setting.

◎ Intelligent protection functions, including phase loss, overtemperature, overcurrent, load wire break, load imbalance, and power frequency fault protection.

◎ Excellent output linearity. Precisely controlled by the microcontroller for duty cycle, with real-time display of load current, voltage, and power for monitoring the regulator's working status at any time.

◎ MODBUS RTU communication function, enabling networked control with HMI, PLC, etc., for remote monitoring.

◎ Suitable for various load types, such as resistive loads, silicon carbide rod loads, transformer loads, silicon molybdenum rod loads, with loads connectable to neutral wire.

◎ Up to two analog input channels, with direct switching between current and voltage signals.

◎ Parameter saving function after on-site debugging, allowing customization of specific parameter settings.

◎ One-key restore to factory defaults function, restoring to factory values or specific parameter settings to avoid faults caused by unauthorized on-site parameter modifications.

◎ Dual-row digital display, with customizable content on the upper and lower rows; the lower row can directly switch via keys to display input, output, voltage, current, power.

◎ Detachable display panel, installable on the control cabinet panel for direct monitoring of working status.

◎ Load current coverage from 30A to 450A, suitable for various heating power applications.

◎ No deformation after long-term use.

◎ Precision CNC-formed aluminum body, sturdy and durable, no deformation after long-term use, no loosening.

◎ All series come standard with high-speed DC fans or dual ball-bearing axial fans, long lifespan, fast heat dissipation, safe and reliable.

Technial Parameters

Input	Main Circuit Power	Three-phase AC 110-500V, 45-65Hz
Input	Control Power	220V, 50Hz/60Hz
Output	Output Voltage	0~98% of main circuit input voltage
Output	Output Current	30A-800A
Applicable Loads	Resistive Load/Inductive Load	Nickel-chromium, iron-chromium-aluminum, far-infrared heating elements, silicon-aluminum rods, silicon-carbon rods, salt bath furnaces, power frequency induction furnaces, quenching furnaces, molten glass, rectifying transformers, power regulators (pure inductive coils), primary side of electric furnace transformers, stepless smooth adjustment of voltage, current, power, Primary and secondary sides of transformers
Main Features	High-Precision AD Conversion	12-bit AD
	Control Accuracy	Better than 0.05%
	Acquisition Resolution	Higher than 0.025%
	Closed-Loop Control Modes	Open-loop, constant current, constant voltage, constant power (freely selectable)
	Trigger Modes	Zero-crossing, phase-shift, zero-crossing phase-shift (freely selectable)
	Setpoint Signal	Analog setpoint, keyboard digital setpoint, communication setpoint (freely selectable)
	Analog Input Interface	2 programmable analog input channels: DC 0~20mA, DC 0~10V/DC 0~5V
	Communication Interface	RS485, Modbus RTU standard communication protocol
	Soft Start, Soft Stop	0~120s
Protection Functions	Frequency Fault	Protection when power frequency is out of range
	Power Supply Fault	Protection when main circuit power fails
	Overheat Protection	Protection when thyristor temperature >85°C
	Overcurrent Protection	Protection when output current ≥ set multiple
	Phase Loss Protection	Protection when main circuit input power has phase loss
	Load Wire Break	Protection when load current < threshold current setting
Operating Environment	Usage Location	Indoor, no direct sunlight, no dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water, or salt
	Altitude	Below 1000m; derate for use above 1000m
	Ambient Temperature	-10°C to 40°C (derate for use between 40°C and 50°C)
	Humidity	Less than 95% RH, no condensation
	Vibration	Less than 5.9m/s² (0.6g)

Model explanation

Part Numbers	1-2-3-4-*5	e.g.	HGW8-4-4-040-P

	Description	Code	Value
*1	Design Code	HGW8
*2	Phase	4	Three phase
*3	Main Power Supply	2	110-220V
		4	330-440V
*4	Rated Current	030	30A
		040	40A
		050	50A
		060	60A
		...	...
		800	800A
*5	Control mode setting	P	Phase constant voltage current limiting
		C	Phase constant current
		CV	Phase constant power
		Z	Cycle zero-crossing power regulation
		ZV	Fixed cycle zero crossing power regulation

Specification

Model	Rated current	load(KW)		Product size (mm)			Mount size(mm)		Weight (kg)	Screw	Torque	Cooling method
		220V	380V	L	W	H	L	W
HGW8-4-4-030-P	30A	9.5	16.5	335	164	213	316	104	10	M8	40kgfcm	Forced air cooling
HGW8-4-4-040-P	40A	12.5	20	335	164	213	316	104	10	M8	40kgfcm	Forced air cooling
HGW8-4-4-050-P	50A	15.5	27	335	164	213	316	104	10	M8	50kgfcm	Forced air cooling
HGW8-4-4-060-P	60A	19	33	335	164	213	316	104	10	M8	50kgfcm	Forced air cooling
HGW8-4-4-075-P	75A	23.5	41	335	164	213	316	104	10	M8	70kgfcm	Forced air cooling
HGW8-4-4-080-P	80A	25.5	44	335	164	213	316	104	10	M8	70kgfcm	Forced air cooling
HGW8-4-4-090-P	90A	28.5	49	335	164	213	316	104	10	M8	85kgfcm	Forced air cooling
HGW8-4-4-100-P	100A	32	55	335	164	213	316	104	10	M8	85kgfcm	Forced air cooling
HGW8-4-4-125-P	125A	40	68.5	335	164	213	316	104	10	M8	95kgfcm	Forced air cooling
HGW8-4-4-150-P	150A	45	75	335	164	213	316	104	11	M8	170kgfcm	Forced air cooling
HGW8-4-4-175-P	175A	53	88	335	164	213	316	104	11	M8	170kgfcm	Forced air cooling
HGW8-4-4-200-P	200A	58	100	420	244	236	401	160	13	M10	220kgfcm	Forced air cooling
HGW8-4-4-250-P	250A	73	125	420	244	236	401	160	13	M10	220kgfcm	Forced air cooling
HGW8-4-4-300-P	300A	87	150	435	263	248	416	160	15	M10	250kgfcm	Forced air cooling
HGW8-4-4-350-P	350A	100	177	435	263	248	416	160	18	M10	250kgfcm	Forced air cooling
HGW8-4-4-400-P	400A	115	200	435	263	290	416	160	22	M10	250kgfcm	Forced air cooling
HGW8-4-4-450-P	450A	130	220	435	263	290	416	160	25	M10	250kgfcm	Forced air cooling
HGW8-4-4-500-P	500A	145	250	435	263	290	416	160	25	M10	250kgfcm	Forced air cooling
HGW8-4-4-600-P	600A	175	300	525	388	330	495*3	140*2	37	M12	300kgfcm	Forced air cooling
HGW8-4-4-800-P	800A	235	410	525	388	330	495*3	140*2	37	M12	300kgfcm	Forced air cooling

Panel Function

Intelligent sCR controller

Wiring

Wiring HGW8 SCR controller

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