Lovato SM1P1800 - 3P 25kA 400V 13-18A motor protection circuit breaker

Lovato SM1P1800 - 3P 25kA 400V 13-18A motor circuit breaker

Lovato's SM1P1800 motor circuit breaker is a reliable solution for motor protection in industrial and residential installations. This circuit breaker offers effective protection against short circuits and overloads, with a breaking capacity of up to 25kA at 400V (Icu). The thermal trip current adjustment is between 13 and 18A, allowing optimisation according to the specific needs of the installation.

Main features:
Type: SM1P, Magneto-thermal circuit breaker
Number of poles: 3
Magnetic protection: Yes
Thermal protection: Yes
Phase failure sensitivity: Yes
Rated insulation voltage (IEC/EN): 690 V
Impulse withstand voltage (Uimp): 6 kV
Rated frequency: 50/60 Hz
Rated current (In): 18 A
Thermal trip adjustment range: 13...18 A
Power dissipation per pole: 1.34 W (min) - 2.57 W (max)

Breaking capacity (short-circuit):
AC 230V: 50 kA
AC 400V: 12.5 kA
AC 440V: 5 kA
AC 500V: 5 kA
AC 690V: 3 kA
Extreme breaking capacity (Icu): 25 kA at 400V


Service life and handling:
Mechanical life: 100.000 cycles
Electrical life: 100,000 cycles
Permitted manoeuvres: Screw / DIN rail (35mm)

Mechanical specifications:
Terminal tightening torque: 2.5 - 3 Nm
Maximum number of installable conductors: 2
Conductor cross-section (AWG/Kcmil): Min. 16, Max. 8
Usage temperature: -20°C to +60°C
Storage temperature: -50°C to +80°C
Mounting position: Vertical plane
Fixing: Screw / DIN rail

Certifications and approvals:
Certifications: CSA C22.2 No. 14, IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4-1, UL508
Approvals: cULus, EAC

UL technical data:
Motor Disconnect (240V): 30 kA
Motor Disconnect (480V): 30 kA
Protection for power conductor: 100A class J
Max HP UL/CSA: Single-phase 1-3 HP, Three-phase up to 10 HP
Product weight: 350 g