Doktorvolt DV-3912 Miniature Circuit Breaker 3P 32A 10kA C-Curve

The Doktorvolt DV-3912 is a high-performance 3-pole miniature circuit breaker (MCB) engineered to provide robust protection for electrical circuits. Designed to handle a rated current of 32A with a substantial breaking capacity of 10kA, this device effectively safeguards electrical installations against overloads and short circuits. Its C-type tripping characteristic makes it a versatile solution for both residential and industrial environments, ensuring reliable power distribution and enhanced safety for connected equipment.

Advantages

This circuit breaker stands out due to its VDE certification, which guarantees adherence to rigorous safety and quality standards. The 3-pole configuration allows for the simultaneous disconnection of three phases, providing comprehensive protection for three-phase electrical systems. Its durable construction and 10kA breaking capacity ensure that it can handle significant fault currents, minimizing the risk of damage to electrical infrastructure and improving overall system reliability.

Suitable for

• Three-phase electrical installations in residential buildings
• Industrial machinery and equipment power supply lines
• Commercial electrical distribution boards
• Protection of motors and lighting circuits

When it may not be suitable

This device is specifically designed for 3-phase systems and is not appropriate for single-phase household circuits. Additionally, it should not be used in environments where the required rated current significantly deviates from 32A or where specific tripping curves other than C-type are mandated by local electrical regulations.

Key specifications

• Number of poles: 3
• Rated current: 32A
• Tripping characteristic: C-curve
• Breaking capacity: 10kA
• Certification: VDE

How to use

The Doktorvolt DV-3912 should be installed by a qualified electrician into a standard DIN rail distribution board. Ensure that the power supply is completely disconnected before beginning the installation. Secure the device firmly onto the rail and connect the incoming and outgoing phase conductors to the appropriate terminals, ensuring all connections are tightened to the manufacturer's specified torque to prevent overheating. Once installed, verify the circuit integrity before restoring power.

What to consider before purchase

• Verify that the 32A current rating matches your circuit requirements
• Ensure the installation space accommodates a 3-pole modular device
• Confirm that the C-curve characteristic is appropriate for your specific load type
• Check compatibility with existing DIN rail mounting systems

Usage recommendations

Regularly inspect the circuit breaker for signs of physical damage or discoloration. It is recommended to perform a functional test periodically to ensure the tripping mechanism remains operational. If the breaker trips, investigate the cause of the overload or short circuit before attempting to reset the device.