Product Description
Advantage
● Two types of protection against overload and short circuit.
● Complete set of supplementary devices with the possibility of simple independent installation
● Indication of contact position.
● Latching on DIN-rail with double locking.
● Wide operating temperature range from –25 to +45° С.
● Updated wider engagement lever with improved contact area.
● Notches on contact terminals reduce heat loss and increase mechanical stability of the connection.
● Higher switching capacity of 6 kA provides for installing
● Conducting current in normal mode.
● Shutdown of current at short circuits or an overload.
● Prompt inclusion and switching off of electric chains.
Function
● Modular circuit breakers (MCB) LWB1-125 protect distribution and group systems with active and inductive loads. They are recommended for use in lead-in distributors of domestic and industrial electric installations. 12 items per 4 rated currents ranging from 63 up to 125 A.
| Technical specifications |
| Standard: | Standard: |
| Approvals: | CE, CB |
| Rated current ln(A): | 1,2,3,4,6,10,16,20,25,32,40,50,63 |
| Rated voltage Un (VAC): | 230/400V |
| Operational voltage(VAC): | Min. 24 Max. 250/440 |
| Rated insulation voltage (VAC): | 500 |
| Number of poles: | 1,2,3,4 |
| Tripping characteristic: | B,C,D |
| Characteristic curve B (ln): | 3 - 5 |
| Characteristic curve C (ln): | 5 -10 |
| Characteristic curve D (ln): | 10 -20 |
| Thermal operation limit(ln): | 1.13 - 1.45 |
| Rated switching capacity icn (KA): | 4.5/6 |
| Degree of protection: | IP20, with connected conductors |
| Electrical life(times): | 4,000 |
| Mechanical life(times): | 10,000 |
| Mounting position: | any |
| Solid and stranded (mm2): | 0.75-35 |
| Finely stranded with end sleeve (mm2): | 0.72-25 |
| Terminal tightening torque (N.M): | 2.5-4 |
| Ambient temperature(℃): | -25~+45,max 95% humidity |
| Storage temperature(℃): | -40~ +75 |
| Altitude Max (meters): | Max 2000 |
