PRODUCT DESCRIPTION
SIEMENS 3RV2021-4CA10-0BA0 - Motor Starter Protector
The SIEMENS 3RV2021-4CA10-0BA0 is a SIRIUS 3RV2 series motor starter protector engineered for the thermal and magnetic protection of three-phase AC motors in industrial control applications. This compact circuit breaker provides essential short-circuit and overload protection, integrating into motor control centers, machinery, and distribution systems for applications including pumps, fans, compressors, and conveyor systems. It features a fixed short-circuit trip and an adjustable thermal overload release.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RV2
- COMPONENT TYPE: Motor Starter Protector, Circuit Breaker for Motor Protection
- ELECTRICAL SPECS:
- CURRENT SETTING RANGE (THERMAL): 2.8 - 4.0 A
- RATED OPERATIONAL VOLTAGE: Up to 690V AC
- RATED INSULATION VOLTAGE: 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- RATED OPERATIONAL CURRENT (IE): 4.0 A
- RATED SHORT-CIRCUIT BREAKING CAPACITY (ICU): 50 kA at 400V AC
- PHASE: 3-Phase (for motor protection)
- TYPICAL MOTOR POWER (AT 400V): 1.1 kW - 1.5 kW
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- CONNECTION TYPE: Screw Terminal
- MOUNTING: DIN Rail (35mm) or Screw Mounting
- INTERFACE/CONTROL:
- TRIP MECHANISM: Thermal-Magnetic (for overload and instantaneous short-circuit)
- AUXILIARY CONTACTS: Not integrated into base unit (add-on modules available)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for terminals), IP00 (main circuit)
- OPERATING TEMPERATURE: -20 to +60 °C
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION:
- MOTOR PROTECTION: Three-phase AC motors
- SYSTEM INTEGRATION: SIRIUS modular system, industrial control panels, machinery, HVAC systems, pump stations, conveyor systems.