PWR 2 50k.1 1

PWR 3 30KVA 1

PWR 3 45KVA 1

PWR 3 60KVA 1

PWR 2 50k.1 1

PWR 3 150KVA 1

PWR 3 100KVA 1

PWR 3 60KVA 1

PWR 3 45KVA 1

PWR 3 30KVA 1

Series: PWR3 Services

PWR-3 Three-Phase Servo Voltage Stabilizer

High-power three-phase servo motor voltage stabilizer engineered for demanding industrial applications requiring exceptional power handling and ultra-low input voltage capability. The PWR-3 series delivers superior ≤2% output precision across power ratings from 45KVA to 150KVA, featuring advanced MCU control technology and comprehensive protection systems. Perfect for heavy industrial equipment, large manufacturing facilities, and critical infrastructure where high-capacity voltage regulation is essential, supporting both European and American voltage standards with 100% unbalanced loading capability.

Ultra-Low Input Voltage Capability– Operates from extremely low input voltages for maximum grid compatibility
≤2% Output Precision– Superior voltage accuracy for precision heavy industrial equipment
MCU Control Technology– Intelligent microcontroller control for enhanced stability and protection
≥120% Overload Protection– Advanced PCB-based overload protection with 3-second cutoff capability
Surge Protection– Built-in surge protection shields equipment from grid disturbances
Multi Display System– Multiple display options for comprehensive system monitoring

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PWR-3 Three-Phase Servo Voltage Stabilizer Complete Specifications

European Standard Configuration (380V/400V System)

Specification	PWR-3-45K	PWR-3-60K	PWR-3-100K	PWR-3-120K	PWR-3-150K
Phase	3-phase 4-wire	3-phase 4-wire	3-phase 4-wire	3-phase 4-wire	3-phase 4-wire
Input Voltage	AC 285V-475V(±25%) / 266V-494V(±30%)
Input Frequency	50Hz/60Hz
Output Voltage	AC 380V±3% / 400V±3%
Output Capacity	36000W	48000W	80000W	96000W	120000W
Output Frequency	50Hz/60Hz
Low voltage	318±7V / 335±7V
Over voltage	425V±7V / 442V±7V
Time delay	5s
Overload Protection	MCU (cutting off output for 3 seconds when exceeding rated power by 120%)
Short circuit	Circuit Breaker
Other Protection	Surge, phase-sequence, phase loss
AC-AC Efficiency	98%
Noise level	≤50dB
Temperature	-5℃ to 40℃
Humidity	20% to 90%

American Standard Configuration (208V/220V System)

Specification	PWR-3-45K	PWR-3-60K	PWR-3-100K	PWR-3-120K	PWR-3-150K
Phase	3-phase 3-wire	3-phase 3-wire	3-phase 3-wire	3-phase 3-wire	3-phase 3-wire
Input Voltage	AC 166V-250V(±20%) / 156V-260V(±25%) / 145V-270V(±30%)
Input Frequency	50Hz/60Hz
Output Voltage	AC 208V±3% / 220V±3%
Output Capacity	36000W	48000W	80000W	96000W	120000W
Output Frequency	50Hz/60Hz
Low voltage	174±4V / 184±4V
Over voltage	233V±4V / 246V±4V
Time delay	5s
Overload Protection	MCU (cutting off output for 3 seconds when exceeding rated power by 120%)
Short circuit	Circuit Breaker
Other Protection	Surge, phase-sequence, phase loss
AC-AC Efficiency	98%
Noise level	≤50dB
Temperature	-5℃ to 40℃
Humidity	20% to 90%

PWR-3 Three-Phase Servo Voltage Stabilizer

PWR 3 30KVA

● 30KVA

PWR 3 45KVA

● 45KVA

PWR 3 60KVA

● 60KVA

PWR 3 100KVA

● 100KVA

PWR 3 150KVA

● 150KVA

Display Options

pwr 3 D

● D

PWR-3 Three-Phase Servo Voltage Stabilizer Applications

Heavy Industrial Manufacturing 1

Heavy Industrial Manufacturing

Ensures stable power supply for steel production lines, mining operations, and heavy machinery manufacturing where ultra-low input voltage tolerance is critical.

Suitable Equipment: Steel production lines, mining equipment, heavy machinery manufacturing

Recommended Capacity: 45KVA-150KVA
Core Value: Ultra-low input voltage capability ensures continuous industrial production

Large Scale Infrastructure

Large-Scale Infrastructure

Powers critical infrastructure including power plants, water treatment facilities, and oil & gas processing plants with ≤2% precision output control.

Suitable Equipment: Power plants, water treatment facilities, oil & gas processing plants
Recommended Capacity: 75KVA-150KVA
Core Value: ≤2% output precision with MCU intelligent control technology

Super Scale Commercial Facilities

Super-Scale Commercial Facilities

Provides reliable voltage regulation for large airports, convention centers, and sports stadiums with comprehensive surge and overload protection.

Suitable Equipment: Large airports, convention centers, sports stadiums
Recommended Capacity: 60KVA-120KVA
Core Value: ≥120% overload protection with comprehensive surge protection

Why Choose YIY PWR-3 Series？

Ultra-Low Input Voltage Range

European Standard: 285V-475V (±25% wide range)
US Standard: 166V-250V (±30% wide range)
Adapts to extreme grid fluctuation environments

High Precision Output Control

≤2% output precision guarantee
MCU microcontroller technology
Multi-display system for real-time monitoring

Industrial-Grade Protection

≥120% overload protection capability
Comprehensive surge protection design
Multiple safety protection mechanisms

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Zhejiang Yiyen Holding Group Co.,Ltd

Address:

No.77, Xiang Long Road, Lian Du Zone, Lishui City, Zhejiang Province, China

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+86 13587452904

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