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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1031-4AB10 |
| Alternative Part Number | 3RV10314AB10 |
| Manufacturer | Siemens |
| Circuit Breaker Size | S2 |
| Motor Protection Class | Class 20 |
| Adjustable Current Range | A-release 11...16 A |
| Rated Operational Voltage | Up to 690 V |
| Voltage Type | AC/DC |
| Rated Operational Current | At AC-3 / at 400 V: 16 A |
| Rated Service Power | At AC-3 / at 400 V: 7.5 kW |
| Mechanical Operating Cycles | 50,000 (typical for main contacts) |
| Frequency of Operation | At AC-3: 15 operations per hour according to IEC 60947-6-2 |
| Breaking Capacity | At 400 V: 50 kA, at 500 V: 12 kA, at 690 V: 5 kA |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Mounting Position | Any |
| Dimensions (W x H x D) | 55 mm x 140 mm x 149 mm |
| Protection Class | IP20 (front side) |
| Ambient Operating Temperature | -20°C to +70°C during operation |
| Shock Resistance | 25g / 11 ms |
| Terminal Type | Screw-type terminals with box terminals for main circuit |
| Connectable Conductor Cross-sec | Solid: 2x (0.75 ... 16 mm²), Stranded: 2x (0.75 ... 25 mm²), 1x (0.75 … 35 mm²) |
| Commodity Code | 853620 |
The Siemens 3RV1031-4AB10 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in industrial settings. This component, belonging to the SIRIUS product family, is engineered to provide Class 20 protection with an adjustable A-release range of 11 to 16 A and a short-circuit release of 208 A. Its three-pole design is suitable for main current circuits and is equipped with screw terminals for secure and reliable connections.
Crafted to withstand challenging industrial environments, the 3RV1031-4AB10 boasts an impressive impulse voltage resistance of 6,000 V and a protection class of IP20, safeguarding against finger contact with live parts. It is designed for versatility, with the ability to be mounted either by screws or snapped onto a 35 mm standard mounting rail in accordance with DIN EN 50022, allowing for flexible installation options.
The circuit breaker's operational durability is highlighted by its capacity to handle 50,000 mechanical operating cycles, and it can operate within a wide range of ambient temperatures, from as low as -20°C up to +70°C during operation, ensuring reliability across various climates and conditions.
With its combination of protective features, ease of installation, and operational resilience, the Siemens 3RV1031-4AB10 is an essential component for motor protection in a diverse array of industrial applications.
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Frequently Asked Questions
What is the purpose of this circuit breaker?
The circuit breaker is designed for motor protection, providing both overload protection with adjustable current settings and short-circuit protection.
Can this circuit breaker be used in hazardous locations?
Yes, it has been approved for use in hazardous locations, ensuring it can safely operate in environments where there may be flammable gases or dust.
What are the tripping characteristics of this circuit breaker?
It features Class 20 tripping characteristics, which means it is designed to trip when the current reaches a level that is potentially damaging to the motor it is protecting.
What is the maximum operating voltage for this circuit breaker?
The maximum operating voltage for this circuit breaker is 690V.
What is the range for the adjustable current setting for overload protection?
The adjustable current setting for overload protection ranges from 11 to 16 A.
What is the installation altitude limit for this circuit breaker?
The circuit breaker can be installed at altitudes up to 2000 metres above sea level without derating.
What type of terminals does this circuit breaker have?
It is equipped with screw-type terminals with box terminals for the main current circuit.
Is there an auxiliary switch available for this circuit breaker?
Yes, there is an option to add an auxiliary switch to this circuit breaker.
What is the mechanical service life of the main contacts?
The main contacts of the circuit breaker have a mechanical service life of typically 50,000 operating cycles.
What are the dimensions of this circuit breaker?
The dimensions are 140 mm in height, 55 mm in width, and 149 mm in depth.
What is the protection class on the front of the circuit breaker?
The front of the circuit breaker has a protection class of IP20.
Can this circuit breaker detect phase failures?
Yes, it has a phase failure detection feature to enhance motor protection.
What is the breaking capacity limit for short-circuit current?
The breaking capacity limit for short-circuit current is 50 kA at 400 V.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -20 to +70 degrees Celsius.
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