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Siemens
3VL3725-1DC36-0AA0
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VL3725-1DC36-0AA0 |
| Alternative Part Number | 3VL37251DC360AA0 |
| Manufacturer | Siemens |
| Category | General Automation |
| Voltage Rating | 690 V |
| Interrupting Capacity | 65 kA |
| Current Rating | 250 A |
| Trip Unit Type | Electronic |
| Terminal Type | Screw |
| Mounting Type | Fixed Mount |
| Dimensions | 104.5 x 106.5 x 185.5 mm |
| Number of Poles | 3 |
| Operating Frequency | 50/60 Hz |
| Insulation Voltage | 800 V AC |
| Operating Temperature | -25°C to +70°C (operating), -40°C to +50°C (storage) |
| Protection Class | IP20 |
| Overcurrent Release Design | TM |
| Acceptability for Application | System Protection |
| Electrical Operating Cycles | 10,000 (typical) |
| Mechanical Operating Cycles | 20,000 (typical) |
| Active Power Loss | Maximum 80 W |
| Continuous Current Rating | 250 A |
| Derating Temperature | 50°C for the rated value of the continuous current |
| Short-Circuit Release Range | Adjustable response current 1,250 A to 2,500 A |
| Breaking Capacity at 415 V | 55 kA (Icu) |
| Auxiliary Contacts | None (0 NC, 0 NO) |
The Siemens 3VL3725-1DC36-0AA0 is a robust and reliable molded case circuit breaker designed to offer efficient and secure protection for electrical systems. Engineered for superior performance, this circuit breaker operates at a voltage of up to 690 V and can handle a substantial short-circuit breaking capacity of 65 kA, making it an ideal choice for system protection in a variety of industrial settings.
With a rated current of 250 A, this electronic device ensures precise overcurrent protection, thanks to its adjustable thermal-magnetic trip unit. The toggle control mechanism provides a user-friendly interface for manual operation, while the screw-type terminals ensure a secure and stable connection to the main current circuit.
The compact dimensions of 104.5 x 106.5 x 185.5 mm allow for efficient use of space within electrical installations, and its fixed mounting design ensures a secure and permanent placement. The circuit breaker's IP20 protection rating signifies that it is safeguarded against solid objects larger than 12.5 mm, although it is not protected against water ingress.
This circuit breaker is a critical component for those seeking a dependable solution to protect electrical circuits from overload and short-circuit conditions, thereby ensuring the longevity and reliability of electrical equipment and reducing the risk of downtime in industrial applications.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a molded case circuit breaker designed for system protection with an electronic trip unit.
What are the voltage ratings for this circuit breaker?
The circuit breaker is rated for use with a maximum voltage of 690 V AC and can also be used with a maximum of 500 V DC.
What is the breaking capacity of this circuit breaker?
It has a standard breaking capacity with an ICU of 55 kA at 415 V AC and a service short-circuit breaking capacity (Ics) of 65 kA at 480 V according to NEMA standards.
Can this circuit breaker be used for line protection?
Yes, the circuit breaker is equipped with an electronic trip unit TM, making it suitable for line protection applications.
What is the rated current for this circuit breaker?
The rated current for this circuit breaker is 250 A, with an adjustable thermal overload release.
What are the dimensions of this circuit breaker?
The dimensions are 104.5 mm in width, 106.5 mm in depth, and 185.5 mm in height.
What type of mounting does this circuit breaker support?
It supports fixed mounting for secure installation.
What is the degree of protection offered by this circuit breaker?
The circuit breaker has an IP20 rating, providing protection against solid objects larger than 12.5 mm but not against water.
Does this circuit breaker have auxiliary contacts?
No, this model does not come with auxiliary contacts.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -25 °C to 70 °C.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
