3RV2021-4NA40 | Siemens Circuit Breaker Size S0 for Motor Protection
Siemens · Motors & Motion
Description The 3RV2021-4NA40 is a Siemens Size S0 circuit breaker for motor protection, offering reliable short-circuit and overload protection with Class 10 tripping. Designed for ring cable lug connections, it ensures dependable motor safeguarding under demanding industrial conditions. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Circuit Breaker Part Number 3RV2021-4NA40 Subcategory Molded Case Circuit Breaker Size S0 Overload Trip Setting (A-Release) 23–28 A Short-Circuit Trip Setting (N-Release) 364 A Tripping Class Class 10 Connection Type Ring Cable Lug Switching Capacity Standard Dimensions (W x D x H) 49,00 x 102,00 x 102,00 MM Weight 0,368 Kg Information About 3RV2021-4NA40 The Siemens 3RV2021-4NA40 circuit breaker is engineered for motor protection applications, providing Class 10 overload tripping with an adjustable current release range of 23 to 28 amps. It features a high short-circuit trip value of 364 amps (N-release), making it highly effective for safeguarding motors in challenging operational environments. With its ring cable lug connection design and standard switching capacity, this circuit breaker offers robust installation flexibility and consistent performance in controlling and protecting motors in automation, manufacturing, and processing systems. Key Features: Size S0 Form Factor: Compact design suited for motor protection panels. Adjustable Overload Trip (A-Release): 23–28 A range for flexible motor sizing. High Short-Circuit Trip (N-Release): 364 A for robust fault protection. Class 10 Tripping Characteristics: Fast response for standard motor start-ups. Ring Cable Lug Connection: Reliable and secure connection type. Standard Switching Capacity: Suitable for industrial motor protection standards. The 3RV2021-4NA40 provides dependable motor circuit protection with flexible installation options and high operational reliability.
Brand: Siemens · Category: Motors & Motion
Key features
- Size S0 Form Factor: Compact design suited for motor protection panels.
- Adjustable Overload Trip (A-Release): 23–28 A range for flexible motor sizing.
- High Short-Circuit Trip (N-Release): 364 A for robust fault protection.
- Class 10 Tripping Characteristics: Fast response for standard motor start-ups.
- Ring Cable Lug Connection: Reliable and secure connection type.
- Standard Switching Capacity: Suitable for industrial motor protection standards.
Specifications
| Manufacturer part number | 3RV2021-4NA40 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | 3RV2021-4NA40 |
| Subcategory | Molded Case Circuit Breaker |
| Size | S0 |
| Overload Trip Setting (A-Release) | 23–28 A |
| Short-Circuit Trip Setting (N-Release) | 364 A |
| Tripping Class | Class 10 |
| Connection Type | Ring Cable Lug |
| Switching Capacity | Standard |
| Dimensions (W x D x H) | 49,00 x 102,00 x 102,00 MM |
| Weight | 0,368 Kg |
| Product type | Molded Case Circuit Breaker |
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