off grid inverter

Ziewnic Lenox 12KW (PV15600) Hybrid 48V Inverter Features

Core Features & System Capabilities

• Compatible with most 48 V LiFePO₄ battery packs

• 3-phase hybrid inverter, delivering 12 kW continuous output with seamless switching between PV, grid, battery, and diesel generator modes

• Maximum PV input capacity: 15.6 kW via Dual MPPT, supporting retrofitting of existing solar systems with AC-coupling capability

PV Input & MPPT Specs

• Max DC voltage: up to 800 V

• MPPT voltage range: 200–650 V

• Input currents: 26 A + 13 A, accommodating up to 2+1 strings of PV panels

AC Output (Grid-Tied)

• Grid voltage: 230/400 V, three-phase configuration

• Frequency: 50/60 Hz

• Power factor: 0.8 lagging to 0.8 leading; THDi < 3%

• Topology: L+N+PE wiring

Battery & UPS Performance

• Battery voltage range: 40–63 V, supporting lithium, lead-acid, tubular batteries

• Max charge/discharge current: 240 A

• UPS (Off-Grid) output: 12 kW continuous, up to 2× peak surge capacity for 10 seconds

• Output current: ~30 A; Transfer time: <10 ms; THDu < 10%

• Overload capacity: >110% for 5 s; 101–110% for 10 s

Efficiency & Environmental Specs

• Peak efficiency: up to 99%

• IP65-rated enclosure for dust and water resistance

• Temperature range: –40 °C to 60 °C (derates above 45 °C); derating also applies above 2,000 m elevation

• Cooling: Smart cooling system

• Self-consumption (idle): < 5 W

• EMC/Safety: Complies with IEC/EN 62109-1/-2 and IEC/EN 61000-6-2/-4 standards

User Interface & Communications

• Color touch LCD with an external light indicator for real-time system monitoring

• Programmable scheduling: up to 6 time periods for battery charge/discharge control

• Communication interfaces: RS232, CAN, RS485 (Wi-Fi optional)

• Plug-and-play design with internal power (no external supply needed), plus AC coupling for retrofits

• External modular design for easier maintenance

• IP65 waterproof design for stable performance outdoors

• Diesel generator support and yield monitoring capabilities for users

Protection & Expandability

• Built-in protections: anti-islanding, insulation and residual current monitoring, AC over-current/voltage, over-temperature protection

• Optional arc-fault detection for added safety

• Parallel operation supported—expandable system configuration.

Physical & Warranty Details

• Dimensions: 446 × 486 × 256 mm

• Weight: approximately 40–45 kg

• Comes with a 5-year brand warranty

Why this model stands out:

• High-capacity hybrid inverter (12 kW continuous, 15.6 kW solar) suitable for larger scale systems

• Advanced load transfer and scheduling functions for energy optimization

• Rugged, outdoor-ready design with future scalability and robust safety features

• Great efficiency and smart cooling make it well-suited for hot, high-altitude environments like Lahore