Siemens 5SY41026 SENTRON johdonsuojakatkaisija 2A 1P C-käyrä 6kA

The Siemens 5SY41026 is a high-quality miniature circuit breaker (MCB) from the SENTRON series, designed for reliable protection of electrical installations against overloads and short circuits. With a rated current of 2 A and a tripping characteristic of C, this 1-pole breaker is ideal for protecting lighting circuits, control circuits, and small appliances in residential, commercial, and industrial applications. It features a compact design for DIN rail mounting and screw terminals for secure wiring.

Advantages

• Reliable overload and short-circuit protection with C-curve tripping characteristic
• Compact 1-pole design saves space in distribution boards
• High breaking capacity of 6 kA ensures safety in fault conditions
• Easy installation on standard 35 mm DIN rail
• Screw terminals for secure and maintenance-free connections
• Long electrical and mechanical endurance for extended service life

Suitable for

• Lighting circuits in residential and commercial buildings
• Control circuits in industrial automation
• Small appliances and equipment with moderate inrush currents
• Distribution boards and sub-distribution panels

Key specifications

• Product Type: Miniature Circuit Breaker (MCB)
• Series: SENTRON
• Number of Poles: 1-pole (1P)
• Tripping Characteristic: C
• Rated Current (In): 2 A
• Rated Voltage (Ue): 230/400 V AC
• Rated Switching Capacity (Icn): 6 kA (EN 60898)
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail (35 mm)
• Terminal Type: Screw Terminals
• Terminal Capacity (Solid): 0.75 - 35 mm²
• Terminal Capacity (Stranded): 0.75 - 25 mm²
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Degree of Protection: IP20 (Terminals), IP40 (with enclosure)
• Ambient Operating Temperature: -25 to +45 °C
• Rated Insulation Voltage (Ui): 440 V
• Rated Impulse Withstand Voltage (Uimp): 4 kV

Recommendations

For optimal protection, always select the correct rated current and tripping characteristic according to the load and wiring. This MCB is suitable for use in Siemens distribution boards and compatible with standard DIN rail accessories. Ensure proper installation by a qualified electrician.