3RV2021-4BA10 - Siemens 3-Pole Motor Protection Circuit Breaker 20A 690V Class 10 S0 Frame DIN Rail Mount

3RV2021-4BA10

3RV2021-4BA10 is a Siemens 3-pole motor protection circuit breaker designed for reliable overload and short-circuit protection with a 20A rated current and 690V maximum operating voltage.

This circuit breaker features a size S0 frame with a class 10 overload trip characteristic, adjustable overload release from 13 to 20 amps, and a short-circuit release rated at 260 amps. It supports motor protection applications with screw terminal connections and is suitable for DIN rail mounting. The device offers a standard switching capacity and is rated for up to 100,000 mechanical and electrical switching cycles. It provides finger-safe protection with an IP20 rating on the front and terminals, and withstands surge voltages up to 6 kV.

Key Specifications
• Rated current: 20 A
• Adjustable overload release: 13–20 A
• Short-circuit release (N-release): 260 A
• Number of poles: 3
• Maximum operating voltage: 690 V AC
• Frame size: S0
• Mounting type: DIN rail
• Connection type: Screw terminals
• Overload trip class: 10
• Protection class: IP20 (front and terminals)
• Surge voltage resistance: 6 kV
• Mechanical and electrical endurance: 100,000 switching cycles

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Specifications

• Part Number: 3RV2021-4BA10
• Manufacturer : Siemens
• Brand : Siemens
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Sirius

Product Data

• UPC : 66264392432
• GTIN : 00662643924329
• Weight : 0.792