Motor Protection Switch 4.0-6.3A/3 BE2

Motor protection switch is designed to protect asynchronous electric motors from overload and short circuit. The device has an adjustable current range of 4.0-6.3A and is rated for operation at nominal voltages of 230/240V, 400/415V, 440V, 500V and 690V with a frequency of 50/60 Hz.

Main characteristics:

• Type of overload release: thermal
• Three-pole design with 3 closing main contacts
• Additional auxiliary contacts: 1 closing + 1 opening
• Short-circuit release setting value: 78A
• Release class: Class 10A
• Rated impulse withstand voltage: 8000V
• Rated insulation voltage: 690V
• Degree of protection: IP20 (finger-proof)

Technical parameters:

• 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
• Power loss: 6.0 W
• Operating temperature range: -5°C to +40°C
• Relative air humidity: 50%
• Maximum installation altitude: 2000 m
• Pollution degree of environment: 3

Electrical connection:

• Type of connection: threaded terminals
• Cross-section of connected cables: up to 8.8 mm²
• Tightening torque for main cables: 1.7 Nm
• Tightening torque for control circuit cables: 1.2 Nm

Installation:

• Design: DIN rail (U-shaped busbar)
• Maximum installation angle deviations: 5° vertical and horizontal
• Dimensions: width 44.50 mm, height 94.90 mm, depth 91.30 mm
• Weight: 0.29 kg

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

Manufacturer: Schrack

Packaging: 1 pcs or 60 pcs

EAN code: 9004840796346