Siemens overload relay for S00 series 3.5-5.0A 3RU21161FB0

Thermal Overload Relays and Overload Relays are electromechanical protection devices for the main circuit. They provide safe motor protection in the event of overload or phase loss.

Features:

• Siemens series
• Operating voltage nominal value 690 Vac - with AC-3 max nominal value 690 Vac
• Frequency of use nominal value 50/60 Hz
• Operating current nominal value 5 A
• Tripping value adjustable for current-dependent overload release current 3.5 ... 5 A
• Impulse withstand voltage nominal value 6 kV
• Shock resistance acc. to IEC 60068-2-27 8g / 11 ms
• Installation altitude for altitude above sea level max. 2000 m
• Ambient temperature during operation -40 ... +70 °C - during storage -55 ...+80 °C, during transport -55 ...+80 °C
• Temperature compensation -40 ...+60 °C
• Relative humidity during operation 10 ... 95 %
• 3 poles
• Any mounting position
• Type of mounting Contactor mounting
• Height 76 mm
• Width 45 mm
• Depth 70 mm
• Tightening torque for main contacts with screw terminals 0.8 ... 1.2 Nm
• Tightening torque for auxiliary contacts with screw terminals 0.8 ... 1.2 Nm
• IP degree of protection front side IP20