The LOVATO SM1P0400 motor protection circuit breaker has an IEC breaking capacity Icu 100kA at 400V, with a thermal trip adjustment range of 2.5...4A. It features both thermal and magnetic trip releases and is phase failure sensitive with an electrical lifespan of 100,000 operations. Suitable for motor protection and mounting in modular panels.
Motor protection circuit breaker
IEC breaking capacity Icu 100kA at 400V
Thermal trip adjustment range 2.5...4A
Product Highlights
The SM1P0400 is versatile with DIN rail mounting, screw terminals, and a pad lockable handle.
Product Information
Standard Information
Brand: LOVATO
Manufacturer Part Number: SM1P0400
Country of Origin: ITALY
Technical Specifications
Product designation
Motor protection circuit breaker
Product type designation
SM1P
Number of poles
3
Magnetic protection
yes
Thermal protection
yes
Phase failure detection
yes
Rated insulation voltage Ui IEC/EN
690 V
Rated impulse withstand voltage Uimp
6 kV
Rated frequency
50/60 Hz
Thermal trip adjustment range
2.5-4 A
Rated current (In)
4 A
Magnetic tripping
13 x In
Power dissipation per pole min
0.90 W
Power dissipation per pole max
2.29 W
Operational short-circuit current breaking capacity (Ics) at AC 230V
100 kA
Operational short-circuit current breaking capacity (Ics) at AC 400V
100 kA
Operational short-circuit current breaking capacity (Ics) at AC 440V
100 kA
Operational short-circuit current breaking capacity (Ics) at AC 500V
100 kA
Operational short-circuit current breaking capacity (Ics) at AC 690V
3 kA
Maximum short-circuit current breaking capacity (Icu) at AC 230V
100 kA
Maximum short-circuit current breaking capacity (Icu) at AC 400V
100 kA
Maximum short-circuit current breaking capacity (Icu) at AC 440V
100 kA
Maximum short-circuit current breaking capacity (Icu) at AC 500V
100 kA
Maximum short-circuit current breaking capacity (Icu) at AC 690V
3 kA
Tripping class
10A
IEC Utilization category
A
Mechanical life
100000 cycles
Electrical life
100000 cycles
Tightening torque for terminals min
2.5 Nm
Tightening torque for terminals max
3 Nm
Max number of wires simultaneously connectable
2
Conductor section min
16 AWG/Kcmil
Conductor section max
8 AWG/Kcmil
Flexible w/o lug conductor section min
1 mm 00b2
Flexible w/o lug conductor section max
10 mm 00b2
Flexible c/w lug conductor section min
1 mm 00b2
Flexible c/w lug conductor section max
10 mm 00b2
Flexible with insulated spade lug conductor section min
1 mm 00b2
Flexible with insulated spade lug conductor section max
10 mm 00b2
Screwdriver
PH2
Power terminal protection according to IEC/EN 60529
IP20 on front
Cable stripping lenght main circuit
10 mm
Operating temperature min
-20 00b0C
Operating temperature max
+60 00b0C
Storage temperature min
-50 00b0C
Storage temperature max
+80 00b0C
Compensation temperature min
-20 00b0C
Compensation temperature max
+50 00b0C
Max altitude
3000 m
Operating position normal
Vertical plan
Operating position allowable
Any
Fixing
Screw / DIN rail 35mm
Motor Disconnect at 240V
30 kA
Motor Disconnect at 480V
30 kA
Motor Disconnect at 600V
30 kA
Motor Disconnect protection
100A class J
Group Motor Installation at 240V
30 kA
Group Motor Installation at 480V
30 kA
Group Motor Installation at 600V
30 kA
Group Motor Installation protection
100A class J
Tap Conductor Protection at 480Y/277V
50 kA
Tap Conductor Protection at 600Y/347V
50 kA
Maximum UL/CSA horsepower ratings single-phase 110V-120V
1/8 HP
Maximum UL/CSA horsepower ratings single-phase 220V-240V
1/3 HP
Maximum UL/CSA horsepower ratings three-phase, 3-pole 200V-208V
3/4 HP
Maximum UL/CSA horsepower ratings three-phase, 3-pole 220V-240V
3/4 HP
Maximum UL/CSA horsepower ratings three-phase, 3-pole 440V-480V
2 HP
Maximum UL/CSA horsepower ratings three-phase, 3-pole 550V-600V