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Siemens
3VL3720-1DC36-0AA0
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VL3720-1DC36-0AA0 |
| Alternative Part Number | 3VL37201DC360AA0 |
| Manufacturer | Siemens |
| Rated Operational Voltage (Ue) | 415 to 690 V |
| Insulation Voltage | 800 V |
| Surge Voltage Resistance | 8 kV |
| Rated Current (In) | 200 A |
| Adjustable Current Range | 160 to 200 A |
| Short-Circuit Protection | Instantaneous short-circuit trip unit adjustable from 1000 A to 2000 A |
| Overload Protection | Yes, adjustable thermal overload trip unit |
| Number of Poles | 3 |
| Mechanical Service Life | 20,000 switching cycles typical |
| Electrical Endurance | 10,000 switching cycles typical |
| Operating Frequency | Maximum 120 operations per hour |
| Protection Class | IP20 |
| Ambient Operating Temperature Range | -40°C to +70°C during operation, -40°C to +80°C during storage |
| Dimensions (H x W x D) | 185.5 mm x 104.5 mm x 106.5 mm |
| Mounting Type | Fixed mounting |
| Breaker Size | 3VL3 |
| Performance Class | N (standard breaking capacity) |
| Protective Function | LI (Long-time and Instantaneous) |
| Suitability for Use | System protection |
| Connection Type | Screw-type terminals for main current circuit |
| Environmental Conditions | Suitable for operation and storage in a wide range of environmental conditions |
| Certificates | IEC, standard switching capacity (N) |
The Siemens 3VL3720-1DC36-0AA0 is a robust molded case circuit breaker designed for effective system protection. This circuit breaker is engineered to provide reliable overcurrent protection for a range of applications, ensuring the safety and efficiency of electrical systems. With a standard breaking capacity of 55kA at 415V AC and a 3-pole configuration, it is suitable for a variety of industrial settings.
The unit features a thermal-magnetic overcurrent release with adjustable settings, allowing for precise protection tailored to specific requirements. The overcurrent release has a LI characteristic, which means it provides both long-time and instantaneous trip functions to protect against overloads and short circuits, respectively.
Rated for an operational voltage of up to 690V and a continuous current rating of 200A, the Siemens 3VL3720-1DC36-0AA0 is versatile and can be used in diverse environments. It has been designed with a focus on durability, boasting an electrical endurance of 10,000 switching cycles and a mechanical service life of 20,000 cycles, indicative of its long-term reliability.
The circuit breaker's compact dimensions, with a height of 185.5mm, width of 104.5mm, and depth of 106.5mm, make it suitable for fixed mounting in space-constrained areas. It also features screw-type terminals for secure and straightforward electrical connections.
With an operational temperature range of 0°C to 70°C and storage temperature range of -40°C to 80°C, the Siemens 3VL3720-1DC36-0AA0 is built to withstand challenging conditions and maintain performance stability. Its IP20 protection class ensures that the internal components are safeguarded against solid objects larger than 12mm, adding to its operational security.
This circuit breaker is a reliable choice for system protection in industrial applications, offering both performance and peace of mind.
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Frequently Asked Questions
What voltage range does this circuit breaker support?
The circuit breaker is designed to support a voltage range from 415 to 690 V.
What is the rated current for this molded case circuit breaker?
The rated current for this molded case circuit breaker is 200 A.
Can the thermal overload trip unit of this breaker be adjusted?
Yes, the thermal overload trip unit of this breaker is adjustable.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are approximately 4.1 x 4.2 x 6.9 inches.
What is the mechanical service life of this circuit breaker?
The mechanical service life of this circuit breaker is typically around 20,000 switching cycles.
Is this circuit breaker suitable for system protection?
Yes, this circuit breaker is suitable for system protection.
What is the maximum operating temperature for this circuit breaker?
The maximum operating temperature for this circuit breaker is 70°C.
What is the insulation voltage rating of this circuit breaker?
The insulation voltage rating of this circuit breaker is 800 V.
What is the short-circuit current breaking capacity of this breaker at 415 V?
The short-circuit current breaking capacity of this breaker at 415 V is 55 kA.
Does this circuit breaker have an auxiliary switch?
No, this circuit breaker does not come with an auxiliary switch.
What is the protection class of this circuit breaker?
The protection class of this circuit breaker is IP20.
What type of electrical connection does this circuit breaker use?
This circuit breaker uses screw-type terminals for the main current circuit electrical connection.
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