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Siemens SENTRON 3WL1212-4BB34-4AN2-ZC22

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3WL1212-4BB34-4AN2-ZC22

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The Siemens 3WL1212-4BB34-4AN2-ZC22 is a circuit breaker designed for robust performance in electrical systems. This device is equipped with a push button mechanism for operational control, rated for a maximum insulation voltage of 1,000 Volts AC and capable of withstanding short circuits with an impressive breaking capacity of 85 to 100 kiloamperes.

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Technical specifications for 3WL1212-4BB34-4AN2-ZC22

ManufacturerSiemens
Product TypeCircuit Breaker
Product LineSENTRON
Part Number3WL1212-4BB34-4AN2-ZC22
Operating MechanismPush button
Insulation Voltage1,000 Volts AC
Short Circuit Breaking Capacity85 to 100 kiloamperes
Protection RatingIP20
Electrical Endurance15,000 switching cycles (typical)
Power Loss26.7 Watts at rated current and up to 80 Watts (maximum)
Mounting TypeFixed mount
Main Circuit Operating Voltage690 Volts AC
Rated Current1,250 Amperes
Ambient Operating Temperature-20 to 70°C (in a non-condensing environment)
Number of Poles3 poles
Rated Phase3-phase
Storage Temperature-40 to 70°C (in a non-condensing environment)
Circuit Breaker SizeSize 2
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The Siemens 3WL1212-4BB34-4AN2-ZC22 circuit breaker represents an advanced solution designed for demanding electrical applications. Built with a user-friendly push button operating mechanism, this device allows for straightforward control. The insulation voltage is rated at 1,000 Volts AC, ensuring functionality in high-voltage scenarios. The circuit breaker’s capability to handle short circuit conditions is notable, achieving a breaking capacity of between 85 to 100 kiloamperes.

This component features a robust fixed mounting type and operates effectively at a main circuit voltage of 690 Volts AC, catering specifically to industrial power systems. With a rated current capacity of 1,250 Amperes, the device is suitable for substantial load demands, facilitating seamless power distribution across three poles in a 3-phase configuration.

The Siemens circuit breaker is designed to endure up to 15,000 electrical switching cycles under typical conditions, promoting longevity and reducing maintenance needs. Power loss during operation is maintained at 26.7 Watts at rated current, with a maximum potential of 80 Watts, ensuring efficient energy management.

Operational temperature ranges are established between -20 to 70°C in non-condensing environments, ensuring reliability across varied ambient conditions. For storage, the specifications allow for temperatures as low as -40°C up to 70°C, accommodating logistical and storage flexibility. Overall, this circuit breaker is classified as Size 2, making it a standardized option for integration into diverse electrical systems.