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Siemens SENTRON 3WL1210-4BB34-4AN2-ZC22

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3WL1210-4BB34-4AN2-ZC22

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The Siemens 3WL1210-4BB34-4AN2-ZC22 is a circuit breaker designed for professional applications. This model features three poles and falls under Size 2 classification, providing effective electrical protection at a rated current of 1,000 Amperes. It operates at a maximum voltage of 690 Volts AC, ensuring compatibility with high voltage systems.

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Technical specifications for 3WL1210-4BB34-4AN2-ZC22

ManufacturerSiemens
Product TypeCircuit Breaker
Product LineSENTRON
Part Number3WL1210-4BB34-4AN2-ZC22
Number of Poles3 poles
Circuit Breaker SizeSize 2
Main Circuit Operating Voltage690 Volts AC
Insulation Voltage1,000 Volts AC
Ambient Operating Temperature-20 to 70°C (in a non-condensing environment)
Storage Temperature-40 to 70°C (in a non-condensing environment)
Mounting TypeFixed mount
Rated Current1,000 Amperes
Power Loss15 Watts at rated current
Protection RatingIP20
Short Circuit Breaking Capacity85 to 100 kiloamperes
Auxiliary Switch Design2 Normally-Open (NO) contacts and 2 Normally-Closed (NC) contacts
Operating Frequency50 to 60 Hertz
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The Siemens 3WL1210-4BB34-4AN2-ZC22 circuit breaker is engineered for robust performance in electrical systems. It employs a fixed mounting configuration and features three poles, ideal for handling high current loads. Rated for 1,000 Amperes, this circuit breaker supports a main circuit operating voltage up to 690 Volts AC and an insulation voltage rated at 1,000 Volts AC.

The unit is built to operate efficiently in environments where temperatures range from -20°C to 70°C, as long as the air remains non-condensing. For storage, it can withstand temperatures as low as -40°C and up to 70°C. Power loss during operation is minimal at 15 Watts under full load, promoting energy efficiency.

With a short circuit breaking capacity of 85 to 100 kiloamperes, the circuit breaker provides necessary protection against fault conditions. The device features an IP20 protection rating against solid objects, ensuring safety during use. Additionally, it comes with an auxiliary switch design that includes two Normally-Open (NO) and two Normally-Closed (NC) contacts, enhancing functionality. This breaker operates effectively across a frequency range of 50 to 60 Hertz, making it adaptable for different electrical applications.