SCHELINGER A11-SR8-3P-063 3P 63A Isolator Switch Disconnector

The SCHELINGER A11-SR8-3P-063 is a high-quality 3-pole isolator switch designed for safe and reliable disconnection of electrical circuits. Rated at 63A and 400V AC, this disconnector is ideal for industrial and commercial applications where isolation is required for maintenance or safety purposes. It complies with IEC/EN 60947-3 standards and is suitable for DIN rail mounting (TH35).

Advantages

This isolator switch offers robust construction, clear ON/OFF position indication, and a compact 3-module width (52.5 mm) for space-saving installation. With a rated short-circuit withstand capacity of 3 kA and impulse withstand voltage of 4 kV, it ensures reliable performance under fault conditions. The front panel provides IP40 protection, while terminals are rated IP20 for safe handling.

Suitable for

• Industrial control panels
• Commercial electrical distribution
• Machine isolation
• Maintenance disconnection

Key specifications

• Number of Poles: 3P
• Rated Current: 63 A
• Rated Voltage (AC): 400 V
• Mounting Type: DIN Rail (TH35)
• Standard Compliance: IEC/EN 60947-3
• Rated Short-circuit Withstand Current (Icw): 3 kA
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Modular Width: 3 Modules (52.5 mm)
• Degree of Protection (Front): IP40
• Degree of Protection (Terminals): IP20
• Terminal Capacity: 1-25 mm²
• Operating Temperature Range: -25°C to +50°C
• Mechanical Endurance: 10,000 cycles
• Electrical Endurance: 1,500 cycles
• Indicator: ON/OFF Position

Recommendations

For optimal performance, ensure proper torque settings during installation and use appropriate cable sizes within the terminal capacity range. Regular visual inspection of the ON/OFF indicator is recommended to confirm switch status.