Emergency Power Module for the Whole House up to 63A Huawei SMARTGUARD-63A-T0

The Huawei SmartGuard-63A-T0 emergency power module is a three-phase emergency system designed to secure the power supply of the entire house. The device provides fast switching to emergency power (ultra-fast ≤ 20 ms in MAP0 mode), bypass mode for operation during failures, and works with the EMMA load management system.

The module is manufactured by HUAWEI, a global technology company known for distributed energy solutions and power systems. The SmartGuard-63A-T0 model is part of the accessory offering for HUAWEI inverters and is designed according to the manufacturer's internal testing, maintaining the technical specifications described in the documentation.

Electrical and Functional Parameters

• AC Voltage (nominal): 380/400/415 V, 220/230/240 V, L1/L2/L3/N+PE
• Maximum Current (to/from grid): 63 A
• Maximum Current (to/from inverter): 60 A
• Maximum Current (to emergency load): 63 A
• Maximum Current (to primary load): 63 A (total does not exceed 63 A)
• LVRT: Yes
• Switching Time: ≤ 20 ms (MAP0), ≤ 100 ms (M1/MB0)
• Bypass Mode: Manual
• DG Mode (generators): Remote control; digital output port DG: passive port 1–100 mA ≤ 24 V
• Communication Interfaces: LAN 10/100 Mbps ≤ 100 m, WAN 10/100 Mbps ≤ 100 m, WLAN AP 802.11b/g/n (2.4 GHz ~ 2.4835 GHz), RS485 9600/19200/115200 bps ×2 ≤ 50 m
• Digital Inputs/Outputs: Digital Input ×2 (≤ 20 m, active port), Digital Output ×2 (≤ 20 m)

Mechanical and Environmental Parameters

• Dimensions (w. × h. × d.): 600 mm × 170 mm × 490 mm
• Weight (without mounting bracket): 17 kg
• Cooling: Natural convection
• Operating Temperature Range: -25°C ~ 50°C (detailed power limitations depend on operating mode: on-grid/off-grid described in the documentation)
• Relative Humidity Range: 5% ~ 95% RH (without condensation)
• Maximum Altitude: 4000 m (reduction of nominal parameters above 2000 m)
• Protection Degree: IP55