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3RV1031-4FB10
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1031-4FB10 |
| Alternative Part Number | 3rv10314fb10 |
| Manufacturer | Siemens |
| Actuator Type | Knob |
| Rated Operating Voltage | 690 V AC/DC |
| Rated Current | 40 A |
| Short-Circuit Release | 520 A |
| Dimensions (W x H x D) | 55 x 144 x 140 mm |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Number of Poles | 3 |
| Trip Class | CLASS 20 |
| Adjustable Response Current | 28 … 40 A |
| Breaking Capacity | At 400 V: 50 kA, At 500 V: 10 kA, At 690 V: 4 kA |
| Mechanical Operating Cycles | 50,000 typical |
| Operating Frequency at AC-3 | 15 operations per hour |
| Ambient Operating Temperature | -20 … +70 °C |
| Protection Class | IP20 on the front |
| Impulse Voltage Resistance | Rated value 6,000 V |
| Connection Type | Screw-type terminals with box terminals |
| Conductor Cross-Section Range | Solid: 2x (0.75 ... 16 mm²), Stranded: 2x (0.75 ... 25 mm²), 1x (0.75 … 35 mm²) |
| Auxiliary Contacts | No |
| Phase Disturbance Recognition | Yes |
| Overload Protection | Yes |
| Product Approvals | General Product Approval, Declaration of Conformity, Special Test Certificate |
The Siemens 3RV1031-4FB10 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in industrial settings. This component, part of the SIRIUS product family, is engineered to provide reliable overload protection with a Class 20 trip class and an adjustable response current ranging from 28 to 40 A. It also features a short-circuit release of 520 A, making it suitable for applications requiring a standard breaking capacity.
Crafted with a focus on durability and longevity, the 3RV1031-4FB10 has a mechanical service life of 50,000 operating cycles and can handle continuous currents up to 40 A. Its screw-type terminals with box terminals facilitate secure and straightforward connections, while the front-side arrangement of electrical connectors ensures ease of access during installation or maintenance.
This circuit breaker is designed to withstand challenging environmental conditions, with an operational temperature range of -20 to +70°C and an installation altitude capability of up to 2,000 meters above sea level. The device is also equipped with phase failure detection, adding an extra layer of protection against potential phase imbalances that could harm connected equipment.
With a compact form factor, dimensions of 55 mm in width, 140 mm in height, and 149 mm in depth, the Siemens 3RV1031-4FB10 is suitable for space-conscious installations. It can be mounted onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for versatile placement within electrical cabinets and control panels.
The 3RV1031-4FB10 is a testament to Siemens' commitment to quality and reliability in circuit protection technology, providing industrial users with a dependable solution for safeguarding motors and associated equipment.
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Frequently Asked Questions
What is the voltage rating for this circuit breaker?
The circuit breaker is rated for an operating voltage of up to 690 V.
Can this circuit breaker be used for motor protection?
Yes, it is specifically designed for motor protection and is suitable for Class 20 applications.
What is the current rating of this device?
The device has a current rating of 40 A for motor protection.
What type of actuator does this circuit breaker have?
This circuit breaker is equipped with a knob actuator for manual operation.
What are the dimensions of this circuit breaker?
The dimensions are 55 mm in width, 144 mm in height, and 140 mm in depth.
Is there a short-circuit release feature in this circuit breaker?
Yes, it has a short-circuit release with a rating of 520 A.
What type of terminal connection does this circuit breaker have?
It comes with screw terminals for secure and reliable connections.
Does this circuit breaker have phase failure recognition?
Yes, it includes phase disturbance recognition as one of its protective functions.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 50,000 operating cycles.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
