ABB OT63F4C 4-Pole Load Break Switch 63A 750V 1SCA105369R1001

Load break switch with 4 poles, rated operational current 63 A and rated operational voltage 750 V AC / 250 V DC. The switch is designed for base mounting and provides reliable isolation and switching under load in industrial and commercial electrical distribution systems.

Advantages

High electrical durability of 2000 cycles (AC-21A) and mechanical durability of 20000 cycles ensure long service life. Screw terminals accept conductors from 1.5 to 35 mm², allowing flexible installation. The switch operates across a wide temperature range from -25 to +70 °C.

Suitable for

• Main and emergency switching in distribution boards
• Motor disconnect applications up to 63 A
• Industrial control panels and machine isolation

Key specifications

• Number of poles: 4
• Rated operational current (Ie): 63 A
• Rated operational voltage: 750 V AC / 250 V DC
• Rated impulse withstand voltage: 8 kV
• Rated insulation voltage: 750 V
• Rated short-time withstand current: 1.5 kA for 1 s
• Rated conditional short-circuit current: 5 kA with 63A gG fuse
• Mounting: base mounting
• Degree of protection (terminals): IP20
• Terminal type: screw terminals
• Terminal capacity: 1.5 - 35 mm²
• Operating temperature: -25 to +70 °C

Recommendations

Handle and shaft are not included and must be ordered separately. Auxiliary contacts are also available as separate accessories.