Motor Protection Switch 0.43-1A/3 BE2

Motor Protection Switch 0.43-1A/3 BE2 — a three-pole motor protection switch manufactured by Schrack, designed to protect asynchronous motors against overload and short-circuit conditions.

Main Characteristics:

• Adjustable current range: 0.63–1.0 A
• Rated operating voltage: 230/240 V, 400/415 V, 440 V, 500 V, 690 V
• Rated frequency: 50/60 Hz
• Rated insulation voltage [Ui]: 690 V
• Rated impulse withstand voltage [Uimp]: 8000 V
• Short-circuit release setting: 13 A
• Release class: Class 10A
• Standards: IEC EN 60947-2, IEC EN 60947-4-1

Constructive Features:

• Type of overload release: Thermal
• Main contacts: 3 normally open contacts
• Auxiliary contacts: 1 normally open + 1 normally closed
• Connection type: Screw terminal
• Cross-section for main contacts: 8.8 mm²
• Mechanical endurance of main contacts: 100,000 cycles
• Mechanical endurance of auxiliary contacts: 100,000 cycles
• Maximum switching frequency at AC-3: 30 operations per hour
• Mounting: U-shaped rail

Operating Conditions:

• Ambient temperature: from –5 °C to +40 °C
• Relative humidity: 50 %
• Degree of protection: IP20
• Pollution degree: 3
• Protection against electrical shock: Finger-proof
• Maximum altitude above sea level: 2000 m

Physical Parameters:

• Net dimensions: 44.50 × 91.30 × 94.90 mm
• Net weight: 0.24 kg
• Power loss: 6.00 W

Tightening Torques:

• Main cables: 1.7 Nm
• Control circuit cables: 1.2 Nm

Mounting Requirements:

• Maximum deviation in vertical direction: 5°
• Maximum deviation in horizontal plane: 5°

Packaging: 1 pc., 60 pc.