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Siemens SENTRON 3WL1216-4CB34-4AN2-ZC22

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3WL1216-4CB34-4AN2-ZC22

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The Siemens 3WL1216-4CB34-4AN2-ZC22 circuit breaker from the SENTRON series is designed for 3-phase applications. This model has a size classification of 2, allowing for efficient electrical protection.

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Technical specifications for 3WL1216-4CB34-4AN2-ZC22

ManufacturerSiemens
Product TypeCircuit Breaker
Product LineSENTRON
Part Number3WL1216-4CB34-4AN2-ZC22
Circuit Breaker SizeSize 2
Rated Phase3-phase
Insulation Voltage1,000 Volts AC
Ambient Operating Temperature-20 to 70°C (in a non-condensing environment)
Auxiliary Switch Design2 Normally-Open (NO) contacts and 2 Normally-Closed (NC) contacts
Electrical Connection TypeBusbar connection
Power Loss28.3 Watts at rated current and up to 85 Watts (maximum)
Short Circuit Breaking Capacity85 to 100 kiloamperes
Storage Temperature-40 to 70°C (in a non-condensing environment)
Number of Poles3 poles
Protection RatingIP20
Main Circuit Operating Voltage690 Volts AC
Operating MechanismPush button
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The part number 3WL1216-4CB34-4AN2-ZC22 from Siemens is a circuit breaker within the SENTRON series. It is configured for operation in 3-phase systems and is classified as size 2. With an insulation voltage rated at 1,000 volts AC, this circuit breaker is engineered to provide robust performance in electrical applications.

The 3WL1216-4CB34-4AN2-ZC22 offers exceptional temperature handling capabilities. It can function at temperatures ranging from -20°C to 70°C while maintaining performance standards in a non-condensing environment. This unit also supports storage temperatures between -40°C and 70°C, ensuring reliability in various conditions.

The design includes three poles and features an auxiliary switch system that consists of two normally-open contacts and two normally-closed contacts, providing flexibility in circuit control options. For electrical connections, this breaker uses a busbar connection style. Power loss during operation is recorded at 28.3 watts with a maximum threshold of 85 watts.

Designed to handle short circuit breaking capacities between 85 to 100 kiloamperes, this circuit breaker provides superior protection for electrical circuits. Its IP20 protection rating indicates its suitability for installation in environments where direct water and dust exposure are limited, ensuring durability and ongoing functionality. The main circuit can operate effectively at a voltage of 690 volts AC, making it ideal for a wide range of industrial applications.