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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1742-5DD10 |
| Alternative Part Number | 3RV17425DD10 |
| Manufacturer | Siemens |
| Category | General Automation |
| Family | SIRIUS |
| Product Type | Miniature Circuit Breaker |
| Rated Current | 25 A |
| Number of Poles | 3 Pole |
| Breaking Capacity | 100 kA |
| Rated Voltage | 690 V |
| Dimensions (H x W x D) | 177 x 76 x 190 mm |
| Weight | 2.200 kg |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail (DIN EN 50022) |
| Protection Class | IP20 |
| Operating Temperature Range | -20°C to +60°C |
| Storage Temperature Range | -50°C to +80°C |
| Shock Resistance | 25g / 11 ms |
| Mechanical Service Life | 50,000 switching cycles |
| Electrical Connection Type | Screw-type terminals with box terminals |
| Connectable Conductor Cross-Sections | Solid: 2x (2.5 ... 16 mm²), Stranded: 2x (10 ... 50 mm²), 1x (10 ... 70 mm²) |
| Approvals | UL 489, CSA C22.2 No.5-02 |
| Ambient Conditions | Installation altitude up to 2,000 m above sea level |
| Product Function | Overload protection, thermomagnetic short-circuit release |
| Adjustable Response Current | 25 A |
| Short-Circuit Protection | Thermomagnetic |
| Country of Origin | - |
| Commodity Code | 85362010 |
The Siemens 3RV1742-5DD10 is a robust miniature circuit breaker designed to ensure system protection in a variety of industrial applications. This three-pole breaker is engineered to handle a rated operating voltage of up to 690 V and a rated operating current of 25 A, making it suitable for a wide range of power distribution tasks. With a standard switching capacity and a thermomagnetic overcurrent release, it provides reliable protection against overloads and short-circuits, ensuring the safety and longevity of electrical equipment.
The compact design, with dimensions of 70 x 174 x 168 mm, allows for efficient use of space inside electrical enclosures, while the screw-type terminals with box terminals facilitate straightforward installation and maintenance. The circuit breaker is also designed for snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, which offers flexibility in installation and makes it a versatile choice for system integrators and maintenance professionals.
Constructed to withstand challenging industrial environments, the 3RV1742-5DD10 operates reliably within an ambient temperature range of -20 to +60°C and is rated for installation altitudes of up to 2,000 meters above sea level. Its finger-safe design and IP20 protection class on the front provide additional safety during operation and handling.
This circuit breaker is a testament to Siemens' commitment to quality and reliability in circuit protection technology, making it a dependable component for safeguarding electrical systems across various sectors.
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Frequently Asked Questions
What is the current rating of this miniature circuit breaker?
The miniature circuit breaker has a continuous current rated value of 25 A.
Can this circuit breaker be used for system protection?
Yes, the Siemens miniature circuit breaker is designed for system protection with standard switching capacity.
What is the short-circuit release current of this device?
The short-circuit release current of the device is 325 A.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with screw-type terminals with box terminals for the main current circuit.
What is the mechanical service life of the main contacts?
The main contacts of the circuit breaker have a typical mechanical service life of 50,000 switching cycles.
What is the maximum operating voltage for this circuit breaker?
The maximum operating voltage for this circuit breaker is rated at 690 V.
Is there an auxiliary switch available for this circuit breaker?
Yes, there is an option for an auxiliary switch with this circuit breaker.
What is the protection class of the front side of this circuit breaker?
The front side of the circuit breaker has a protection class of IP20.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 70 mm in width, 168 mm in height, and 174 mm in depth.
What is the maximum breaking capacity of this circuit breaker at 400 V?
The maximum breaking capacity of this circuit breaker at 400 V is 100 kA.
Can this circuit breaker be mounted onto a DIN rail?
Yes, it can be mounted onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the ambient operating temperature range for this circuit breaker?
The ambient operating temperature range for this circuit breaker is from -20°C to +60°C.
