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Siemens
3RV2031-4BA10
Marvo Stock ID: MV-7FTHNew unboxed
£132.25 (ex. VAT)
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Specifications
| Specification | Description |
|---|---|
| Part Number | 3RV2031-4BA10 |
| Alternative Part Number | 3RV20314BA10 |
| Manufacturer | Siemens |
| Product Type | Circuit breaker size S2 for motor protection |
| Size of Circuit-Breaker | S2 |
| Contactor Combination | Can be combined with size S2 contactors |
| Auxiliary Switch | Yes |
| Power Loss | Total typical 12 W |
| Insulation Voltage | Rated value 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Maximum Voltage for Safe Isolation | 400 V in networks with grounded star point between main and auxiliary circuit |
| Protection Class IP | IP20 on the front, IP00 of the terminal |
| Shock Resistance | According to IEC 60068-2-27, 25g / 11 ms Sinus |
| Mechanical Service Life | Typical 50,000 switching cycles for main and auxiliary contacts |
| Electrical Endurance | Typical 50,000 switching cycles |
| Ambient Temperature Operating Range | -20 ... +60 °C |
| Ambient Temperature Storage Range | -50 ... +80 °C |
| Relative Humidity During Operation | 10 ... 95 % |
| Main Circuit Number of Poles | 3 |
| Adjustable Pick-Up Value | Current-dependent overload release 14 ... 20 A |
| Operating Voltage | Rated value 690 V |
| Operating Frequency | Rated value 50 ... 60 Hz |
| Operating Current | Rated value 20 A at AC-3, 400 V |
| Operating Power at AC-3 | 230 V rated value 5,500 W, 400 V rated value 7,500 W, 500 V rated value 11,000 W, 690 V rated value 15,000 W |
| Mounting Position | Any |
| Fastening Method | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Dimensions (H x W x D) | 140 mm x 55 mm x 149 mm |
| Required Spacing | For grounded parts at 400 V, 500 V, 690 V: downwards 50 mm, upwards 50 mm, at the side 10 mm |
| Electrical Connection | Screw-type terminals for main current circuit |
| Conductor Cross-Section | Solid or stranded 2x (1 ... 25 mm²), 1x (1 ... 35 mm²), finely stranded with core end processing 2x (1 ... 16 mm²), 1x (1 ... 25 mm²) |
| Tightening Torque | For main contacts with screw-type terminals 3 ... 4.5 N·m |
| Screwdriver Shaft Design | Diameter 5 to 6 mm |
| Screwdriver Tip Size | Pozidriv size 2 |
| Thread Design of Connection Screw | For main contacts M6 |
| Safety Related Data B10 Value | With high demand rate according to SN 31920, 5,000 |
| T1 Value for Proof Test Interval | Or service life according to IEC 61508, 10 years |
| Protection Class IP Front | IP20 |
| Touch Protection Front | Finger-safe, for vertical contact from the front |
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3RV2031-4BA10 Product Description
The Siemens 3RV2031-4BA10 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 Class 10 protection, with an adjustable current response value for the current-dependent overload release ranging from 14 to 20 A and a standard breaking capacity.
Crafted to meet the demands of complex electrical systems, the 3RV2031-4BA10 features a three-pole main current circuit and is capable of handling operating voltages up to 690 V. Its mechanical and electrical endurance is rated at 50,000 switching cycles, highlighting its durability and reliability for long-term use.
The circuit breaker's design allows for easy integration with company-specific S2 size contactors, offering flexibility in system configuration. The product also includes an auxiliary switch option, enhancing its functionality within a circuit.
With a power loss rating of 14.5 W at the rated current value and a per-pole rating of 4.8 W in a hot operating state, the 3RV2031-4BA10 is optimised for energy efficiency. It boasts an insulation voltage rated at 690 V with a degree of pollution 3, and a surge voltage resistance of 6 kV, ensuring it can withstand challenging electrical environments.
The device is designed to be installed at altitudes up to 2000 metres above sea level and can operate within a temperature range of -20 to +60 °C, making it suitable for a variety of climatic conditions. Its construction is compliant with ATEX directive 2014/34/EU for use in potentially explosive atmospheres, denoted by the Ex II (2) GD classification.
Overall, the Siemens 3RV2031-4BA10 circuit breaker is a dependable choice for motor protection, offering a combination of performance, versatility, and safety for industrial applications.
Frequently Asked Questions
What is the purpose of this circuit breaker?
The circuit breaker is designed for motor protection, ensuring safe operation by preventing damage due to overloads or short circuits.
Can this circuit breaker be used with any motor size?
It is suitable for motors that fall within its adjustable pick-up value current range of 14 to 20 A for the current-dependent overload release.
What is the maximum operating voltage for this circuit breaker?
The maximum operating voltage for this circuit breaker is 690 V.
Is this circuit breaker suitable for use in hazardous locations?
Yes, it is designed to be suitable for use in certain hazardous locations, complying with relevant standards and certifications.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 50,000 switching cycles.
What are the ambient temperature limits for the operation of this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -20 to +60 °C.
What type of terminals does this circuit breaker have?
It is equipped with screw-type terminals for the main current circuit.
What is the required spacing for side-by-side mounting of this circuit breaker?
No additional spacing is required for side-by-side mounting of this circuit breaker.
What is the IP protection class of this circuit breaker?
The front of the circuit breaker has an IP20 protection class rating.
How can I determine if this circuit breaker is compatible with my existing setup?
You should verify the electrical specifications, such as the adjustable current response value, operating voltage, and the mechanical dimensions, to ensure compatibility with your system.
