• Board Type: Three-Phase (3-Phase) Main / Sub-Distribution Board (MDB / SMDB), manufactured inside a standalone floor-standing metal enclosure and equipped with reliable and reputable Mitsubishi breakers. • Main Circuit Breaker: • Brand: Mitsubishi Electric • Model: NF630-CW • Capacity and Amperage: 630 Amperes (630A) • Type: Molded Case Circuit Breaker (MCCB), 3-Pole. • Sub-Circuit Breakers: • 2 x Mitsubishi MCCBs with a capacity of 250 Amperes each. • 3 x Mitsubishi MCCBs with a capacity of 100 Amperes each (Model NF125-CW). • A set of Miniature Circuit Breakers (MCBs) for protecting control and metering circuits, installed next to the main breaker. • Control & Metering Panel: • 3 x Analog Ammeters to measure the current intensity for each phase (reading up to 600 Amperes). • 1 x Analog Voltmeter to measure the electrical voltage (up to 500 Volts). • Voltmeter Selector Switch to cycle through phase readings. • 3 x Indicator Lamps (Red, Orange, and Blue) to indicate power supply to the three phases.