WEG Solar Switch Cabinet – IP55 Grid-Tie & Off-Grid Transfer System with Integrated EMS

Seamless High-Power Switching for Utility-Scale Solar and Energy Storage Systems

The WEG TBW 61AC 1500A W00 Solar Switch Cabinet is an advanced AC transfer cabinet designed for large-scale PV and Energy Storage System (ESS) integration. With support for on-grid and off-grid switching in under 200 ms, this intelligent switching unit ensures uninterrupted power delivery across solar, battery, and load components.

Built to support up to 6×75 kW inverter systems, the TBW 61AC cabinet comes fully equipped with integrated EMS, surge protection, and industrial-grade switchgear — making it the ideal solution for commercial and industrial energy systems requiring flexible power flow management.

✅ Key Features:

• Rapid Switching: Seamless <200 ms transition between on-grid and off-grid modes
• High Power Capacity: Supports 6×75 kW output with 1500A load and grid breakers
• Integrated EMS: Built-in Energy Management System for dynamic load, PV, and ESS coordination
• Industrial-Grade Protection: IP55 enclosure, AC Type I surge protection, wide -20°C to 55°C operating range
• Flexible Communication: Ethernet, RS485, CAN, and Digital Inputs
• Smart Power Limiting: Grid-compatible with built-in power limitation functionality

🔩 Technical Specifications:

• Rated Output Power: 6 × 75 kW
• AC Voltage: 220/380V or 230/400V, 3/N/PE
• Frequency: 50/60 Hz
• Ingress Protection: IP55
• Dimensions: 1050 × 2100 × 1200 mm
• Weight: ≤ 800 kg
• Ambient Temp: -20°C to +55°C
• Relative Humidity: 0–100% (condensing)

Ideal for microgrids, commercial solar plants, and battery storage projects, the WEG TBW 61AC Solar Switch Cabinet delivers reliable, flexible, and intelligent power management where uptime and safety are critical.