3RV1021-1KA10

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The Siemens 3RV1021-1KA10 is a reliable and efficient circuit breaker designed for motor protection in industrial applications. This size S0 circuit breaker features a Class 10 trip class, providing optimal protection against overload and phase disturbances. With an adjustable response current of 9 to 12.5A for the current-dependent overload release and a non-delayed short-circuit release of 163A, this circuit breaker ensures the safety and longevity of your motor equipment.

Operating at a maximum voltage of 690V AC/DC, the 3RV1021-1KA10 is suitable for a wide range of applications. It has a rated operating current of 12.5A at AC-3 and 400V, with a service power of 5.5kW. The circuit breaker is designed for a maximum installation altitude of 2,000 meters above sea level and offers an IP20 protection class on the front side.

The 3RV1021-1KA10 is equipped with a selector switch operating mechanism and can be easily installed on a 35mm DIN rail. It has a compact design, measuring 96mm in depth, 97mm in height, and 45mm in width. The main current circuit features front-side electrical connectors, while the auxiliary circuit offers optional auxiliary switch capabilities.

Built to withstand harsh environments, the Siemens 3RV1021-1KA10 circuit breaker operates within a temperature range of -20°C to 70°C and offers a mechanical switching cycle of 100,000 operations. Trust the Siemens 3RV1021-1KA10 circuit breaker to provide reliable motor protection and enhance the performance of your industrial equipment.
Specification Description
Part Number 3RV1021-1KA10
Alternative Part Number 3RV10211KA10
Manufacturer Siemens
Size S0
Trip Class CLASS 10
Degree of Pollution 3
Altitude of Installation Site Up to 2,000 meters
Protection Class IP (front side) IP20
Ambient Temperature (operating) -20°C to 70°C
Insulation Voltage (rated value) 690V
Impulse Voltage Resistance 6kV
Real Loss Power (total, typical) 7W
Operating Voltage (max) 690V AC/DC
Operating Current (rated value) 12.5A
Service Power (rated value) 5.5kW at 400V
Switching Frequency (max) 15 1/h
Adjustable Response Current 9A to 12.5A (overload release)
Breaking Capacity Limit 100kA at 400V
Number of Poles 3
Electrical Connector Arrangement Front side
Mechanical Switching Cycle (typical) 100,000

What is the size of the circuit breaker?

The Siemens 3RV1021-1KA10 circuit breaker is size S0.

What is the trip class of this circuit breaker?

The trip class of the 3RV1021-1KA10 circuit breaker is CLASS 10.

What is the rated insulation voltage?

The rated insulation voltage for the 3RV1021-1KA10 circuit breaker is 690V.

What is the operating temperature range?

The operating temperature range for the 3RV1021-1KA10 circuit breaker is -20°C to 70°C.

What is the breaking capacity limit short-circuit current (lcu) at 400V?

The breaking capacity limit short-circuit current (lcu) for the 3RV1021-1KA10 circuit breaker at 400V is 100 kA.

What is the adjustable response current range for the current-dependent overload release?

The adjustable response current range for the current-dependent overload release of the 3RV1021-1KA10 circuit breaker is 9A to 12.5A.

What is the service power at AC-3 and 400V?

The service power of the 3RV1021-1KA10 circuit breaker at AC-3 and 400V is 5.5 kW.

What is the protection class IP for the front side?

The protection class IP for the front side of the 3RV1021-1KA10 circuit breaker is IP20.

What is the maximum altitude for installation?

The maximum altitude for installation of the 3RV1021-1KA10 circuit breaker is 2,000 meters above sea level.

What type of voltage is supported?

The 3RV1021-1KA10 circuit breaker supports AC/DC voltage.

  • Motor protection in industrial applications
  • Overload protection for electrical circuits
  • Phase disturbance recognition in electrical systems
  • Integration in control panels for machinery and equipment
  • Use in HVAC systems for motor and circuit protection
  • Automation systems requiring reliable circuit breakers
  • Pump and compressor motor protection
  • Conveyor system motor protection and control

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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