3RV2021-4CA16
The SIRIUS 3RV2021-4CA16 is a Siemens S0 case three-pole motor protection circuit breaker. It adopts thermal-magnetic Class 10 overload protection, with a rated insulation voltage of 690V and IP20 protection class. It can be combined with SIRIUS contactors to form a direct starter, suitable for three-phase motor protection applications in control panels. Please call for detailed current setting values.
Product Positioning
The SIRIUS 3RV2021-4CA16 is a Siemens S0 housing series motor protection circuit breaker, inheriting the compact design and reliable tripping performance of the 3RV2021 family.
Core Product Advantages and Features
S0 compact housing design
Its compact size makes it suitable for dense wiring installation within control panels, saving space inside the panel.
Thermal-magnetic overload protection
It also features instantaneous tripping function for overload and short circuit to protect the motor circuit.
Class 10 Breakthrough Level
It conforms to the typical load starting characteristics, avoiding accidental tripping due to normal starting current.
Combinable direct starters
It can be combined with SIRIUS contactors and auxiliary contacts to form a complete motor starting circuit.
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The SIRIUS 3RV2021-4CA20 is an S0-cased three-pole motor protection circuit breaker with an adjustable overload current range of 16-22A, a rated insulation voltage of 690V, a spring-loaded terminal block design, and an IP20 protection rating. It can be combined with a contactor to form a direct starter and is suitable for overload and short-circuit protection applications of three-phase motors in factory automation production lines.
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3RV2021-4CA15
The SIRIUS 3RV2021-4CA15 is a Siemens S0 case three-pole motor protection circuit breaker. It adopts Class 10 thermal-magnetic overload and short-circuit protection, with a rated insulation voltage of 690V and IP20 protection. It can be used with SIRIUS contactors to form a direct starter and is suitable for use in various production line motor circuits. Please inquire for confirmation of the actual current setting range.
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3RV2021-4CA10
The SIRIUS 3RV2021-4CA10 is a Siemens S0 case three-pole motor protection circuit breaker with a rated insulation voltage of 690V AC, a short-circuit breaking capacity of up to 15kA, an IP20 protection rating, and can be mounted on a DIN rail or panel. It is suitable for temperature ranges from -25 to 60 degrees Celsius and is ideal for overload and short-circuit protection of three-phase motor circuits in factory automation.