TECHNICAL GUIDE

OIL PRESS ELECTRICAL REQUIREMENTS

Power supply and generator configuration

Eason
Oil Press Technical Engineer · 15+ Years Experience
July 18, 2026

Introduction

Understanding the electrical requirements of your hydraulic oil press is crucial for safe and efficient operation.

Proper electrical configuration ensures safe operation and extends equipment life.

Basic Electrical Requirements

Voltage Specifications

220V Single Phase (common in many countries)
380V Three Phase (industrial standard)
415V Three Phase (some regions)
Frequency: 50Hz or 60Hz
Voltage can be adjusted at no extra cost

Power Consumption

Motor Power: All Haonuo models: 2.2 KW

Standby: 0.5-1.0 KW

Pressing: 1.5-2.2 KW

Peak: Up to 3.0 KW (during pressure build-up)

Current Requirements

Single Phase (220V): Running 10-15 A, Starting 20-30 A
Three Phase (380V): Running 5-8 A, Starting 10-15 A
Recommended Circuit Breaker: Single phase 30 A, Three phase 16 A per phase

Generator Requirements

Generator Capacity

ModelSingle PhaseThree Phase
HN325 5 kVA 5 kVA
HN355 5.5 kVA 5.5 kVA
HN426 5.5 kVA 5.5 kVA
HN480 5.5 kVA 5.5 kVA
HN500 7 kVA 7 kVA

Safety Margin

  • Add 20-30% for starting current
  • Account for other equipment on the same circuit
  • Account for voltage drop

Recommended Generator Size

  • HN325/HN355 6-7 kVA
  • HN426/HN480 7-8 kVA
  • HN500 8-10 kVA

Power Supply Configuration

Wiring Requirements

DistanceSingle Phase (220V)Three Phase (380V)
10m 2.5 mm² 2.5 mm²
20m 4 mm² 2.5 mm²
30m 6 mm² 4 mm²
50m 10 mm² 6 mm²

Safety Considerations

Electrical Safety

  • Use insulated gloves
  • Use insulated tools
  • Follow lockout procedures

Voltage Fluctuations

  • Low Voltage

    Motor overheating, reduced performance

    Solution: Voltage stabilizer

  • High Voltage

    Motor damage, component failure

    Solution: Surge protector

Lightning Protection

  • Lightning rod installation
  • Surge protection devices
  • Grounding system

Backup Power Solutions

UPS (Uninterruptible Power Supply)

  • Application: Control panel backup, emergency shutdown
  • Size: 500-1000 VA typically sufficient

Solar Energy System

  • Application: Off-grid locations, sustainable operation
  • Considerations: Solar panel size, battery storage, backup generator recommended

Energy Efficiency Tips

Energy Management

Run during low-peak hours when possibleBatch processing to reduce startup cycles

Cost Calculation

Energy Cost per Day = (Energy Consumption x Hours x Rate) / 1000

Example: Energy cost varies by region and tariff rates. Contact us for a personalized estimate.

Conclusion

Proper electrical configuration is crucial for safe and efficient operation of hydraulic oil presses. For personalized electrical configuration advice, contact Haonuo's technical support team.

READY TO START YOUR OIL PRODUCTION?

Our engineering team can help you configure the optimal power supply for your oil press equipment.