SigenStor EC 3.0 SP

Item number: C00625

Guarantee: 10 years

SigenStor EC 3.0 SP is a single-phase central control unit of the Sigenergy intelligent energy management system, which has been developed specifically for residential solar power systems and energy storage. The device provides precise control, high efficiency, advanced safety features, and reliable backup operation.

The integrated EMS (Energy Management System) enables optimization of energy flow, intelligent coordination of mains and battery operation, and continuous monitoring of consumption.

Key benefits

• Built-in EMS system – intelligent energy management and precise control
• Up to 150% peak power in off-grid operation – immediate supply of high loads
• Quick switch to backup mode – 0 ms
• High efficiency – up to 98% maximum inverter efficiency
• IP66 protection – ideal for outdoor installation
• Compatible with SigenStor BAT battery modules
• Remote monitoring via WiFi, Ethernet, and mobile communications

Technical specifications

DC input (from solar panel side)

• Maximum PV power: 6000 W
• Maximum DC voltage: 600 V
• Nominal DC voltage: 350 V
• Starting voltage: 100 V
• MPPT voltage range: 50 – 550 V
• MPPT number: 2
• Maximum input current per MPPT: 16 A
• Maximum short-circuit current per MPPT: 20 A

AC output – mains power supply

• Nominal power: 3000 W
• Maximum apparent power: 3300 VA
• Nominal output current: 13.6 A
• Maximum output current: 15 A
• Output voltage: 220 / 230 / 240 V
• Network frequency: 50/60 Hz
• Power factor: 0.8 capacitive – 0.8 inductive
• THDi (áram harmonikus torzítás): < 2%
  
  

Backup (island operation) output

• Peak power (10 seconds): 4500 W
• Switching time: 0 ms
• THDv (feszültség torzítás): < 2%
  
  

Battery compatibility

• Supported battery: SigenStor BAT series
• Number of connectable modules: 1–6
• Battery voltage range: 300–600 V
  
  

Protection functions

• DC reverse polarity protection
• Insulation monitoring
• Residual current monitoring
• Arc fault protection (AFCI)
• AC overcurrent, overvoltage, and short-circuit protection
• Type II DC/AC surge protection
• Islanding protection (anti-islanding)
  
  

General information

• Dimensions (W × H × D): 700 × 300 × 245 mm
• Weight: 18 kg
• Operating temperature: –30 °C to +60 °C
• Storage temperature: –40 °C to +70 °C
• Relative humidity: 0–100%
• Protection: IP66
• Communication: WLAN, Fast Ethernet, RS485, Sigen CommMod (4G/3G/2G)
  
  

Standards

• IEC/EN 62109-1
• IEC/EN 62109-2
• IEC/EN 61000-6-1
• IEC/EN 61000-6-2