Siemens 3VL1706-2DD33-0AA0

The 3VL1706-2DD33-0AA0 is a versatile and robust IEC molded case circuit breaker produced under the SENTRON product line, specifically designed for protecting electrical circuits and equipment in various industrial applications. As part of the 3VL1 series, it offers high-performance circuit protection with a focus on safety and reliability.

Manufacturer: SENTRON

SENTRON is a well-established brand known for producing high-quality electrical protection devices and equipment. It is recognized for its commitment to providing reliable solutions to safeguard electrical systems from overloads and short circuits.

Protection Devices: 3VL IEC Molded Case Circuit Breakers

IEC (International Electrotechnical Commission) molded case circuit breakers are integral components in electrical distribution systems. They are designed to protect circuits and equipment from damage due to overcurrents and short circuits.

Key Specifications:

• Circuit Breaker VL160X H High Breaking Capacity Icu=70kA, 415V AC 3-Pole: This indicates that the circuit breaker can handle high levels of fault current, up to 70,000 Amperes, and is designed for three-phase applications with a nominal voltage of 415V AC.
• Line Protection Trip Unit TM: The circuit breaker is equipped with a Trip Unit TM, which provides precise overload protection. It is capable of tripping the breaker when the current exceeds a specified threshold (in this case, the current setting is 63A).
• Rated Current Ir=63A: This circuit breaker has a rated current of 63 Amperes, indicating its ability to handle continuous current flow up to this level.
• Overload Protection II=600A: The overload protection of this circuit breaker is set at 600 Amperes. This means it can withstand a current surge of up to 600A for a short duration without tripping.
• Short-Circuit Protection Without Auxiliary Release Without Auxiliary/Alarm Switch: This circuit breaker is designed for basic short-circuit protection without additional auxiliary release or alarm features.

General Technical Data:

• Number of Poles: 3: The circuit breaker has three poles, which means it can disconnect all three phases in a three-phase electrical system simultaneously.
• Mechanical Service Life (Operating Cycles) Typical 20,000: This indicates the expected number of mechanical operation cycles the circuit breaker can endure before experiencing wear and tear.
• Electrical Endurance (Operating Cycles) Typical 10,000: This figure represents the number of electrical operation cycles the circuit breaker can withstand before requiring maintenance.
• Utilization Category A: The circuit breaker is classified under utilization category A, indicating it is suitable for general applications.
• Performance Class for Circuit Breaker N: This class signifies the circuit breaker's performance characteristics according to industry standards.
• Operating Frequency Maximum 120 1/s: The circuit breaker can handle an operating frequency of up to 120 cycles per second.

Voltage:

• Rated Operational Voltage Ue Max. 690V: The circuit breaker is suitable for systems with a rated operational voltage of up to 690 Volts.
• Insulation Voltage Rated Value 800V: It has an insulation voltage rating of 800 Volts, which ensures safe operation in various voltage conditions.
• Surge Voltage Resistance Rated Value 8kV: The circuit breaker can withstand surge voltages of up to 8,000 Volts.

Protection Class:

• Protection Class IP20: This indicates the level of protection against solid foreign objects and is suitable for indoor applications.

Short Circuit:

• Operating Short-Circuit Current Breaking Capacity (Ics): The circuit breaker can interrupt short-circuit currents of up to 75kA at 240V, 70kA at 415V, 23kA at 500V, and 6kA at 690V.
• Maximum Short-Circuit Current Breaking Capacity (Icu): It has a maximum short-circuit breaking capacity of 100kA at 240V, 70kA at 415V, and 12kA at 690V.

Connections:

• Arrangement of Electrical Connectors for Main Current Circuit Front Side: The circuit breaker's main current circuit connectors are arranged on the front side for easy access.
• Type of Connectable Conductor Cross-Sections for Main Contacts: It can accommodate various conductor sizes, including flexible busbars and solid conductors, to ensure installation flexibility.

Mechanical Design:

• Height 157.5mm, Width 104.5mm, Depth 106.5mm: These dimensions provide the physical specifications of the circuit breaker, making it suitable for fixed mounting in electrical panels and distribution boards.

The 3VL1706-2DD33-0AA0 is a dependable circuit breaker designed to safeguard electrical systems against overloads and short circuits. Its high breaking capacity, precise trip unit, and versatile features make it a valuable component in industrial and commercial applications where electrical protection is crucial for system integrity and safety.

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