Overview of Siemens 3RV2321-4DC10
Order genuine Siemens 3RV2321-4DC10 online directly from LeadTime.ca for your automation system. The Siemens 3RV2321-4DC10 is a Size S0 motor protection circuit breaker (MPCB) designed for reliable 3-phase AC motor protection in demanding industrial environments. With a rated operational current of 25 A and a robust magnetic-only release set at 325 A, this advanced device ensures effective short-circuit protection for motors ranging up to 7.5 hp at 230 V or 5 hp at 208 V, safeguarding your equipment from electrical faults and overloads. Compact, DIN rail mountable, and featuring screw terminals for secure connections, the 3RV2321-4DC10 is an ideal choice for engineers and system integrators seeking dependable motor circuit protection with easy installation and global compliance.
Key Features of Siemens 3RV2321-4DC10
- Rated current: 25 A for continuous motor protection
- Magnetic-only short-circuit release at 325 A for fast tripping
- Suitable for 3-phase AC motors up to 7.5 hp (230 V) or 5 hp (208 V)
- Wide operating voltage: 20…690 V AC, compatible with global standards
- Compact Size S0, DIN rail mountable for space-saving panel installation
- Screw terminal connections for reliable, vibration-resistant wiring
- No auxiliary switch — optimized for basic MPCB applications
- Active power loss typically 8 W, minimizing energy consumption
- Standard switching capacity for starter combinations
- Tested and certified for industrial automation use
Technical Specs of 3RV2321-4DC10
Review Siemens 3RV2321-4DC10 technical data for detailed parameters before installation.
| Parameter |
Value |
| Rated Current |
25 A |
| Short-Circuit Release |
325 A (magnetic-only) |
| Operating Voltage |
20…690 V AC |
| Total Power Loss |
8 W (typical) |
| Mounting |
DIN rail |
| Connection |
Screw terminals |
| Size |
S0 |
Applications / Use Case
This Siemens 3RV2321-4DC10 is commonly used in industrial automation, process control, and machine automation worldwide. It is especially suited for protecting motors in production line systems, conveyor operations, packaging machinery, and factory control panels. The robust magnetic-only protection makes it a preferred choice for applications requiring fast, reliable circuit interruption without thermal overload adjustment. Engineers and OEMs trust this MPCB for seamless integration into motor starter combinations, ensuring uptime and safety in harsh industrial environments.
Price & Availability
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