Motor protection switch 25-32A/3 BE2

Motor protection switch for three-phase networks with rated voltage of 400/415V or 660/690V. The device is designed to protect asynchronous electric motors from overloads and short-circuit currents.

Main technical characteristics:

• Current adjustment range: 23-32A (rated current 25-32A)
• Rated voltage: 400/415V, 660/690V
• Rated frequency: 50-60 Hz
• Number of poles: 3
• Type of overload release: Thermal
• Short-circuit current rating: 448A
• Release class: Class 10A
• Rated impulse withstand voltage (Uimp): 8000V
• Rated insulation voltage (Ui): 690V

Contacts and connection:

• Main contacts: 3 NO (normally open) contacts
• Auxiliary contacts: 1 NO + 1 NC (normally closed) contact
• Connection type: Screw terminals
• Cable cross-section: up to 25 mm²
• Main cable tightening torque: 6 Nm
• Mounting: On DIN rail (U-shaped busbar)

Reliability and durability:

• Mechanical endurance of main contacts: 100,000 operations
• Mechanical endurance of auxiliary contacts: 100,000 operations
• Maximum switching frequency (AC-3): 30 times/hour
• Power loss: 22 W

Operating conditions:

• Temperature range: -5°C to +40°C
• Relative humidity: 50%
• Degree of protection: IP20 (finger-proof)
• Pollution degree: 3
• Maximum installation altitude: 2000 m
• Permitted inclination during mounting: 5° vertical and horizontal

Dimensions and weight:

• Width: 63.60 mm
• Height: 118.40 mm
• Depth: 119.50 mm
• Net weight: 0.93 kg

Compliance standards: IEC EN 60947-2, IEC EN 60947-4-1

Manufacturer: Schrack