Massarent RCCB FP-063-300 63A 300mA Four Pole Residual Current Circuit Breaker (RCCB)

Long Description

The RCCB FP-063-300 63A 300mA Four Pole RCCB is an electrical protection device that continuously monitors leakage current across all phases and neutral in a three-phase four-wire system. When the leakage current exceeds the set limit, it automatically disconnects the supply to prevent electrical hazards.

With a 63A rated current, 300mA sensitivity, and Four Pole (FP) configuration, this RCCB disconnects all three phases and the neutral conductor simultaneously during earth leakage conditions. The 300mA sensitivity level is primarily used for fire protection and insulation fault monitoring, helping prevent electrical fires caused by sustained leakage currents.

The device is manufactured using flame-retardant thermoplastic housing and precision tripping mechanisms, ensuring reliable operation, high durability, and long service life. Its DIN rail mounting design allows easy installation in distribution boards, MCC panels, switchgear systems, and industrial control panels.

The RCCB FP-063-300 is widely used in infrastructure projects, manufacturing units, commercial complexes, and large electrical installations where system-level earth leakage protection is required.
 

Key Features

63A rated current
300mA earth leakage sensitivity
Four Pole (FP) configuration
Protection against earth leakage faults
Fire hazard protection capability
Simultaneous disconnection of all phases and neutral
DIN rail mounting system
Flame-retardant thermoplastic housing
High reliability and long service life
Suitable for industrial and commercial electrical systems

Applications

Industrial distribution boards
Commercial electrical systems
Manufacturing plants
Heavy electrical panels
HVAC systems
Pump and motor control systems
Generator backup systems
Electrical switchgear assemblies
Building main distribution panels
Solar power systems
Data centers and IT infrastructure
Hospitals and healthcare facilities
Office complexes
Utility distribution systems
Low-voltage electrical installations