Description
The Siemens 3RV2021-1KA10 motor protection circuit breaker provides dependable protection for electric motors against overload and short-circuit conditions. Built in size S0, it is suitable for a wide range of industrial motor control applications, including control panels, motor starters, and automation systems.
This breaker incorporates a Class 10 A-release (thermal overload protection) adjustable from 9 to 12.5 A, enabling precise matching to the motor’s rated current. The integrated magnetic N-release at 163 A offers rapid response to short-circuit faults, helping prevent damage to motors and connected equipment.
With screw connection terminals, installation is secure and straightforward. Its compact design and standard switching capacity make it ideal where space efficiency and reliable performance are required.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RV2021-1KA10 |
| Product Type | Motor Protection Circuit Breaker |
| Size | S0 |
| Current Adjustment Range (A-release) | 9 – 12.5 A |
| Trip Class | Class 10 |
| Magnetic Release (N-release) | 163 A |
| Terminal Type | Screw Connection |
| Switching Capacity | Standard |
| Packaging Dimensions (L × W × H) | 102 × 49 × 102 mm |
| Net Weight | 0.354 kg |
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