Mini Circuit Breaker Screw Connection 4Poles C-Characteristic 50A 6kA 400V IP20 Hager

Description

Mini circuit breaker with 4 poles from Hager, model MCN450, intended for the protection of electrical installations against overload and short circuit. The circuit breaker has C-characteristic, rated current 50 A and a breaking capacity of 6 kA at 230/400 V AC. It is equipped with a screw connection and is mounted on a DIN rail in electrical panels. The thermal and electromagnetic tripping mechanism provides reliable protection for three-phase installations in residential, commercial premises and small industrial facilities. The mini circuit breaker occupies 4 modules and has protection class IP20.

Specifications

• Rated current: 50 A
• Ultimate rated short-circuit breaking capacity Icu under 230 V AC IEC 60947-2: 6 kA
• Number of poles: 4P
• Curve: C
• Number of modules: 4
• Rated short-circuit breaking capacity Icn (IEC 60898-1): 6 kA
• Nominal tightening torque upper connection: 2.80 - 2.80 Nm
• Nominal tightening torque lower connection: 2.80 - 2.80 Nm
• Nominal tightening torque: 2.80 - 2.80 Nm
• Type of lower connection on standard components: BIConnect
• Type of upper connection on standard components: Screw connection
• 360 degree mounting position possible: Yes
• Rated operational voltage Ue: 400 - 400 V
• Supply voltage: AC
• Nominal insulation voltage Ui: 500 V
• Nominal impulse protection voltage Uimp: 4000 V
• Frequency: 50 - 60 Hz
• Connection area input and output with screws, solid conductor: 1 - 35 mm²
• Connection area input and output with screws, flexible conductor: 1 - 25 mm²
• Connection area input with screws, with flexible conductor: 1 - 25 mm²
• Connection area input and output with screws, solid conductor: 1 - 35 mm²
• Connection type: Screw terminal
• Top connection for standard components: Adapted terminal block
• Downward connection for standard components: Adapted terminal block
• Protection class (IP): IP20
• Pollution degree according to IEC 60664 / IEC 60947-2: 2
• Energy limitation class I²t: 3
• Humidity protection: For all climates
• Operating temperature: -25 - 70 °C
• Total power loss at nominal rated current: 20.3 W
• Height: 83 mm
• Width: 70 mm
• Depth: 70 mm