Motor Protection Switch 1–1.6A/3 BE2 PB

The motor protection switch is designed to protect three-phase asynchronous motors against overload and short-circuit current. The device belongs to the category of motor protection switches with thermal overload release.

Main technical parameters:

• Current adjustment range: 1–1.6 A
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 8000 V
• Number of poles: 3
• Rated frequency: 50/60 Hz
• Short-circuit release current: 22.50 A
• Mechanical endurance of main contacts: 100,000 cycles
• Mechanical endurance of auxiliary contacts: 100,000 cycles
• Maximum switching frequency at AC-3: 30 times/hour

Design features:

• Main contacts: 3 closing contacts
• Auxiliary contacts: 1 closing + 1 opening
• Connection type: screw-type terminals
• Cable cross-section for main contacts: up to 8.8 mm²
• Torque for main cable: 1.7 Nm
• Torque for control circuit cables: 1.2 Nm
• Protection against electrical shock: finger-proof (IP20)
• Mounting: on U-shaped busbar

Operating conditions:

• Operating temperature range: –5 to +40 °C
• Relative humidity: 50%
• Maximum installation altitude: 2000 m
• Pollution degree: 3
• Maximum deviation during installation (vertical/horizontal): 5°

Energy performance:

• Power loss: 6.00 W

Dimensional specifications:

• Width: 44.50 mm
• Height: 80.80 mm
• Depth: 91.30 mm
• Weight: 0.29 kg

The device complies with standards IEC EN 60947-2 and IEC EN 60947-4-1. Manufacturer: Schrack.