LOVATO 11SM1B28 MOTOR PROTECTION CIRCUIT BREAKER

Compact and reliable motor protection circuit breaker designed for overload and short-circuit protection in industrial control systems. This unit combines precise thermal and magnetic trip functions, making it ideal for safeguarding motors and ensuring continuous operation in harsh environments.

• Manufacturer: Lovato
• Type: Motor Protection Circuit Breaker / Manual Motor Starter
• Model: 11SM1B28
• Ref. No.: 00000020
• Series: SM1 B 28

Technical Information

• No. of Poles: 3
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Rated Frequency: 50/60 Hz
• Thermal Trip Adjustment Range: 2.5 to 4 A
• Nominal Current (In): 4 A
• Trip Current: 48 A
• Operational Short-Circuit Breaking Capacity (Ics): 100 kA at 400 V AC
• Maximum Short-Circuit Breaking Capacity (Icu): 100 kA at 400 V AC
• Standard: IEC / EN 60947-2
• Fixing: Screw / DIN rail (35 mm)
• Operating Temperature: -20 to 60°C