ABB Automatic Power Switch 3P 63A XT1B 160 TMD 45433. Automatic power switch with adjustable thermal settings and fixed instantaneous magnetic tripping with thermal-magnetic protection TMD. Designed to meet the needs of most protection applications in medium and small-sized commercial and industrial buildings.

Features:

• Number of poles: 3
• Rated current (I n): 63A
• Frequency: 50 / 60 Hz
• Rated voltage (U r): 690V
• Rated impulse withstand voltage (U imp): 8 kV
• Rated instantaneous short-circuit current setting (I i): 630A
• Rated insulation voltage (U i): 800V
• Rated non-tripping current (I u): 160A
• Operating rated voltage: 690V AC / 500V DC
• Release: TMD
• Electrical endurance: 120 cycles per hour
• Mechanical endurance: 240 cycles per hour