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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VL2708-1DC33-0AA0 |
| Manufacturer | Siemens |
| Actuator Type | Toggle |
| Rated Operational Voltage | 690 V AC |
| Rated Current | 80 A |
| Dimensions (H x W x D) | 174.5 x 104.5 x 106.5 mm |
| Mounting Type | Fixed mounting |
| Number of Poles | 3 |
| Overcurrent Release Type | TM (Thermal-Magnetic) |
| Application | System protection |
| Electrical Operating Cycles | 10,000 (typical) |
| Mechanical Operating Cycles | 20,000 (typical) |
| Active Power Loss | Maximum 48 W |
| Thermal Overload Release | Adjustable |
| Overload Protection | Yes |
| Operating Cycles (Maximum) | 1/s 120 |
| Protection Class | IP20 |
| Insulation Voltage (AC) | Rated value 800 V |
| Operating Frequency | 50 Hz / 60 Hz |
| Operating Voltage (AC) | Maximum 690 V at 50/60 Hz |
| Operating Voltage (DC) | Maximum 500 V |
| Operating Current at Different Temps | 80 A at 40°C, 80 A at 50°C, 74.4 A at 60°C, 68.8 A at 70°C |
| Continuous Current | Rated value 80 A |
| Derating Temperature | 50°C for the rated value of the continuous current |
| Short-Circuit Response Current | Adjustable 64 – 80 A for overload release, 400 – 800 A for non-delayed short-circuit release |
| Breaking Capacity | 55 kA at 415 V |
The Siemens 3VL2708-1DC33-0AA0 is a robust circuit breaker designed to provide reliable overcurrent protection for electrical systems. This three-pole device is engineered to handle a maximum operating voltage of 690 V AC and has a standard breaking capacity of 55 kA at 415 V AC, ensuring effective interruption of fault currents in a variety of industrial applications.
With a rated current of 80 A and an adjustable thermal overload release, the circuit breaker allows for precise protection settings tailored to specific requirements. The overcurrent release mechanism is of type TM, which is adjustable and provides a dependable response to overloads.
The circuit breaker's dimensions are 104.5 mm in width, 106.5 mm in depth, and 174.5 mm in height, making it a compact solution for space-constrained environments. It is designed for fixed mounting and features front-side box terminals for the main current circuit, accommodating solid or stranded conductors ranging from 2.5 to 95 mm².
This product is characterised by its mechanical endurance, boasting up to 20,000 operating cycles, and an electrical endurance of 10,000 operating cycles, highlighting its durability and long service life. The device operates efficiently within an ambient temperature range of 0 to 70°C, ensuring consistent performance under varying environmental conditions.
The Siemens 3VL2708-1DC33-0AA0 circuit breaker is a reliable choice for system protection in industrial settings, offering a combination of performance, precision, and durability.
Commonly Asked Questions
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Frequently Asked Questions
What type of actuator does this circuit breaker use?
This Siemens circuit breaker is equipped with a toggle actuator for manual operation.
What is the maximum voltage rating for this circuit breaker?
The maximum voltage rating for this circuit breaker is 690 V AC.
Can you specify the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 104.5 mm in width, 106.5 mm in depth, and 174.5 mm in height.
What is the rated current for this device?
The rated current for the 3VL2708-1DC33-0AA0 is 80 A.
What type of mounting can be used with this circuit breaker?
This circuit breaker is designed for fixed mounting.
What is the breaking capacity of this circuit breaker at 415 V?
The breaking capacity, also known as the interrupting capacity, at 415 V is 55 kA.
Is the thermal overload release adjustable on this circuit breaker?
Yes, the thermal overload release on this circuit breaker is adjustable.
What is the insulation voltage rating for this circuit breaker?
The insulation voltage rating for AC is 800 V.
What are the operating and storage temperature ranges for this circuit breaker?
The operating temperature range is from 0 °C to 70 °C, and the storage temperature range is from -40 °C to +80 °C.
Does this circuit breaker have auxiliary contacts?
No, this circuit breaker does not come with auxiliary contacts.
