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                                        MAIN
                                     | 
                                
                                
                                    | 
                                        Range of Product
                                     | 
                                    
MKM1                                     | 
                                
                                
                                    | 
                                        Product or component type
                                     | 
                                    
Enclosed moulded case circuit breaker                                     | 
                                
                                
                                    | 
                                        Suitability for isolation
                                     | 
                                    
Yes                                     | 
                                
                                
                                    | 
                                        Trip unit technology
                                     | 
                                    
Thermal-magnetic                                     | 
                                
                                
                                    | 
                                        Device application
                                     | 
                                    
Motor protection                                     | 
                                
                                
                                    | 
                                        Voltage release type
                                     | 
                                    
Shunt trip release Under voltage release                                     | 
                                
                                
                                    | 
                                        Provided equipment
                                     | 
                                    
Alarm, Motor mechanism, Handle, Terminal extension, Interphase barriers, MN or MX voltage release.                                     | 
                                
                                
                                    | 
                                        COMPLEMENTARY
                                     | 
                                
                                
                                    | 
                                        Pole description
                                     | 
                                    
3P                                     | 
                                
                                
                                    | 
                                        [In] rated current 
                                     | 
                                    
630 A                                     | 
                                
                                
                                    | 
                                        Frame size
                                     | 
                                    
630AF                                     | 
                                
                                
                                    | 
                                        [Ue] rated operational voltage
                                     | 
                                    
400/415 V                                     | 
                                
                                
                                    | 
                                        Network type
                                     | 
                                    
AC                                     | 
                                
                                
                                    | 
                                        Network frequency
                                     | 
                                    
50...60 Hz                                     | 
                                
                                
                                    | 
                                        Electrical durability
                                     | 
                                    
4000 cycles                                     | 
                                
                                
                                    | 
                                        Mechanical durability
                                     | 
                                    
20000 Cycles with maintenance, 10000 cycles without maintenance                                     | 
                                
                                
                                    | 
                                        [Uimp] rated impulse withstand voltage
                                     | 
                                    
8 kV                                     | 
                                
                                
                                    | 
                                        [Ics] Rated service breaking capacity
                                     | 
                                    
21 kA                                     | 
                                
                                
                                    | 
                                        [Icu] Rated breaking capacity
                                     | 
                                    
35 kA                                     | 
                                
                                
                                    | 
                                        Ui] Rated insulation voltage
                                     | 
                                    
800 V                                     | 
                                
                                
                                    | 
                                        Mounting mode
                                     | 
                                    
Fixed front                                     | 
                                
                                
                                    | 
                                        Clamping connection capacity
                                     | 
                                    
2 x 185 mm²                                     | 
                                
                                
                                    | 
                                        Tightening torque
                                     | 
                                    
19.5…20.5 N.m                                     | 
                                
                                
                                    | 
                                        Utilisation category
                                     | 
                                    
Category A                                     | 
                                
                                
                                    | 
                                        Provision for padlocking 
                                     | 
                                    
Handle padlockable in on and off position                                     | 
                                
                                
                                    | 
                                        Height
                                     | 
                                    
257 mm                                     | 
                                
                                
                                    | 
                                        Width
                                     | 
                                    
150 mm                                     | 
                                
                                
                                    | 
                                        Depth
                                     | 
                                    
107.5 mm                                     | 
                                
                                
                                    | 
                                        Net weight
                                     | 
                                    
5.1 kg                                     | 
                                
                                
                                    | 
                                        ENVIRONMENT
                                     | 
                                
                                
                                    | 
                                        IP degree of protection
                                     | 
                                    
IP20                                     | 
                                
                                
                                    | 
                                        Pollution degree
                                     | 
                                    
3                                     | 
                                
                                
                                    | 
                                        Ambient air temperature for operation
                                     | 
                                    
40.0 °C                                     | 
                                
                                
                                    | 
                                        Ambient air temperature for storage
                                     | 
                                    
-20…70 °C                                     | 
                                
                                
                                    | 
                                        Dielectric test voltage
                                     | 
                                    
3 kV                                     | 
                                
                                
                                    | 
                                        Operating altitude
                                     | 
                                    
0...2000 m                                     | 
                                
                                
                                    | 
                                        Standards
                                     | 
                                    
IEC 60947-2                                     | 
                                
                                
                                    | 
                                        Product certifications
                                     | 
                                    
CE KEMA                                     |