Siemens 5SY17104 SENTRON 1-Pole MCB, 10 A, C-Curve, 72 V DC, 10 kA, Sealable

Protect DC circuits from overload and short-circuit with the Siemens 5SY17104 miniature circuit breaker. This 1-pole MCB is rated for 10 A and 72 V DC, with a C tripping characteristic and 10 kA breaking capacity, making it suitable for industrial and commercial installations. The sealable design allows for locking in the ON or OFF position to prevent unauthorized switching.

Who is it for

Electricians, panel builders, and maintenance technicians working with DC power systems who need reliable circuit protection that can be secured against tampering.

Main features

• 1-pole miniature circuit breaker for DC applications
• Rated current: 10 A; rated voltage: 72 V DC
• Tripping characteristic: C
• Breaking capacity: 10 kA
• Sealable to prevent unauthorized operation
• DIN rail mounting
• Screw terminals for solid or stranded conductors up to 35 mm²

Specifications

• Series: SENTRON 5SY
• Number of poles: 1
• Rated current: 10 A
• Rated voltage (DC): 72 V DC
• Tripping characteristic: C
• Breaking capacity (Icn): 10 kA
• Mounting type: DIN rail
• Degree of protection (terminals): IP20
• Degree of protection (housing): IP40
• Sealable: Yes
• Frequency: DC
• Electrical endurance: 10,000 switching cycles
• Mechanical endurance: 20,000 switching cycles
• Ambient operating temperature: -25 to +45 °C
• Connection type: Screw terminals
• Terminal capacity (solid): 0.75 - 35 mm²
• Terminal capacity (stranded): 0.75 - 35 mm²

Tips

Use the sealable feature to lock the breaker in the desired position, preventing accidental or unauthorized switching. Ensure proper torque on screw terminals for reliable connections.