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Siemens 28A Motor Protection Circuit Breaker 690V Magnetic Sensing 3 Poles 3RV2021-4NA10
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Model | 3RV2021-4NA10 |
| IP Rating | IP20 |
| Approvals | CE / UL / CSA |
| Overall Length | 97mm |
| Current Rating | 28A |
| Series | 3RV2 |
| Overall Width | 45mm |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -20°C |
| Sensing type | Magnetic |
| Supply Voltage | 690V |
| Number of Poles | 3 |
| Standards/Approvals | ABS, ATEX, CCC, CE, CSA, EAC, LRS, RoHS, UKCA, UL, VDE |
| Overall Depth | 91mm |
| Better World Claim | Extended Product Life, Low Carbon Manufacture |
| Motor Protection Component | Circuit Breaker |
| Motor Protection System | Motor Protection Circuit Breaker |
| Siemens 28 A SIRIUS 3RV Motor Protection Circuit Breaker, 20 → 690 VBrand | Siemens |
Key Features
- Magnetic sensing type ensures reliable circuit protection.
- Three poles configuration suitable for three-phase motor systems.
- Compact size with dimensions 97mm length, 45mm width, and 91mm depth.
- Operates safely within temperature range from -20 °C to 60 °C.
- Rated with IP20 protection for indoor environments.
- Complies with international standards including CE, UL, CSA, ATEX, and RoHS.
- Features low power loss of 6/7W improving energy efficiency.
- Constructed for extended product life and low carbon manufacturing process.
Product Description
Siemens 3RV2021-4NA10 Motor Protection Circuit Breaker is a robust 3-pole circuit breaker engineered for effective motor protection in industrial and commercial electrical systems.
This device supports a maximum current of 28 amperes and operates at a supply voltage of up to 690 volts, with magnetic sensing technology to provide rapid and reliable disconnection under fault conditions.
Its compact form factor measures 97mm in length, 45mm in width, and 91mm in depth, making it suitable for installations in control panels with space constraints.
The breaker is designed to work efficiently within an ambient temperature range from -20 degrees Celsius to 60 degrees Celsius and has an IP20 rating to protect against solid objects larger than 12 mm in indoor environments.
Certified to multiple international standards such as CE, UL, CSA, ATEX, CCC, and RoHS, the product guarantees compliance with global safety and performance requirements. Magnetic sensing type ensures precise and fast motor protection.
Three poles configuration supports three-phase motors. Low power loss of approximately 6 to 7 watts enhances energy efficiency. Extended product life due to high-quality materials and manufacturing processes. Low carbon manufacturing contributes to sustainable industrial practices.
Standard switching capacity for diverse motor protection applications. Compatible with screw connection and spring clamp terminals for secure wiring. Impulse voltage resistance up to 6 kV ensures robust operation under transient conditions.
This Siemens motor protection circuit breaker is suitable for industrial automation, manufacturing plants, commercial electrical installations, and HVAC systems requiring reliable motor circuit protection.
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Frequently Asked Questions
The maximum current rating of this model is 28 amperes.
This circuit breaker operates at a supply voltage of up to 690 volts.
It uses magnetic sensing technology to provide rapid and reliable disconnection under fault conditions.
The IP rating is IP20, which provides protection against solid objects larger than 12 mm in indoor environments.
The dimensions are 97mm in length, 45mm in width, and 91mm in depth.
It operates safely within a temperature range from -20 °C to 60 °C.
It complies with multiple international standards including CE, UL, CSA, ATEX, and RoHS.
This model has a three-pole configuration, making it suitable for three-phase motor systems.
It features a low power loss of approximately 6 to 7 watts, enhancing energy efficiency.
It is compatible with screw connection and spring clamp terminals for secure wiring.
It has an impulse voltage resistance of up to 6 kV, ensuring robust operation under transient conditions.
It is suitable for industrial automation, manufacturing plants, commercial electrical installations, and HVAC systems requiring reliable motor circuit protection.
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