SigenStor EC 3.6 SP

Item number: C00626

Guarantee: 10 years

The SigenStor EC 3.6 SP is a single-phase, 3.68 kW hybrid control unit for Sigenergy's smart energy storage system, optimized for residential solar systems and battery energy storage. The device ensures a stable and reliable power supply with its built-in EMS system, high efficiency, advanced protection functions, and true 0 ms uninterruptible backup power.

The system is fully compatible with SigenStor BAT battery modules, making it the ideal choice for new installations and energy storage upgrades.

Key benefits

• Built-in EMS (Energy Management System) with intelligent energy optimization
• Up to 150% peak power in island mode (for 10 seconds)
• 0 ms switchover time to backup power (using Sigen Gateway)
• Up to 98% maximum efficiency
• IP66 protection – suitable for outdoor installation
• 3 MPPT inputs for maximum solar yield
• 1–6 battery modules can be connected
• Remote monitoring: WiFi, Ethernet, RS485, 4G/3G/2G
  

Technical data

DC input (solar side)

• Maximum PV power: 7360 W
• Maximum DC input voltage: 600 V
• Nominal DC voltage: 350 V
• Starting voltage: 100 V
• MPPT voltage range: 50 – 550 V
• Number of MPPTs: 3
• Number of strings per MPPT: 1
• Maximum input current per MPPT: 16 A
• Maximum short-circuit current per MPPT: 20 A
  
  

AC output – mains power supply

• Nominal output power: 3680 W
• Maximum apparent power: 3680 VA
• Nominal output current: 16.0 A
• Maximum output current: 16.0 A
• Nominal output voltage: 220 / 230 V
• Network frequency: 50/60 Hz
• Power factor: 0.8 capacitive – 0.8 inductive
• Áramtorzítás (THDi): < 2%
• Maximum efficiency: 98.0%
• European efficiency: 97.1%
  
  

Backup (island operation) output

• Peak power (10 seconds): 5520 W
• Nominal output voltage: 220 / 230 / 240 V
• Feszültségtorzítás (THDv): < 2%
• Switching time: 0 ms (Gateway required)
  
  

Battery connection

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

Built-in protection

• 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 and compliance

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