Technical Specification
Product Code COSFP-063
Product Type Four Pole Changeover Switch
Pole Configuration Four Pole (FP)
Rated Current 63A
Rated Voltage 415V AC
Frequency 50/60 Hz
Mounting Type DIN Rail Mount
Operation Manual Changeover
Switching Positions I – OFF – II
Application Mains/Generator Transfer
Housing Material Flame-Retardant Thermoplastic
Standard Compliance IEC 60947-3
Electrical Life High Durability
Mechanical Life Long Service Life
Protection Degree IP20
The COSFP-063 is a 63A Four Pole Changeover Switch designed for safe and reliable manual transfer between two power sources. It is ideal for three-phase electrical systems in residential, commercial, and industrial applications, ensuring uninterrupted power switching between mains and generator supplies. Four-pole modular changeover switches in this class commonly feature an I–0–II operating mechanism and DIN rail mounting.
The COSFP-063 63A Four Pole Changeover Switch is a premium manual transfer switch engineered to safely transfer electrical loads between two independent power sources, such as the utility mains and a backup generator or inverter.
Featuring a 63A current rating and a Four Pole (FP) configuration, the switch simultaneously transfers all three phases and the neutral conductor. This provides complete electrical isolation, minimizes the risk of back-feeding, and enhances the safety of both personnel and connected equipment during power source switching.
Manufactured using high-quality flame-retardant thermoplastic housing and durable copper alloy contacts, the COSFP-063 offers low contact resistance, reliable switching performance, and a long mechanical service life. Its compact DIN rail-mounted design allows quick installation in distribution boards, electrical panels, switchgear, and control cabinets.
Designed for residential complexes, commercial buildings, industrial plants, hospitals, hotels, manufacturing units, and backup power systems, the COSFP-063 delivers dependable manual power transfer while complying with internationally recognized switch-disconnector standards.
63A rated current capacity for reliable three-phase power switching.
Four Pole (FP) design switches all three phases and neutral simultaneously.
Manual changeover between mains supply and generator/inverter power.
Centre-OFF position for safe circuit isolation during source transfer.
Heavy-duty contacts ensure dependable performance and long service life.
Flame-retardant, high-strength insulated housing.
Smooth operating mechanism with low maintenance requirements.
Compact design for easy panel installation.
Finger-safe terminals for enhanced electrical safety.
Manufactured in compliance with applicable IEC/IS standards.
Three-phase residential power backup systems.
Commercial and industrial electrical distribution panels.
Generator changeover installations.
Inverter and UPS backup power systems.
Manufacturing plants and factories.
Control panels and switchboards.
Commercial buildings, hospitals, and office complexes.
Safe transfer between two independent power sources.
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