Siemens 3RV2041-4JA10 SIRIUS Motor Protection Circuit Breaker 3P 45-63A 65kA

The Siemens 3RV2041-4JA10 is a SIRIUS 3-pole motor protection circuit breaker from the 3RV2 range, designed in size S3 frame with adjustable thermal overload protection set to 45-63 A and instantaneous magnetic short-circuit release at 819 A (CLASS 10 trip class). Rated for AC-3 motor switching up to 30 kW at 400 V and 55 kW at 690 V, with screw-terminal connections and integrated disconnector functionality.

Technical specifications:

• Order number (MLFB): 3RV2041-4JA10
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Circuit breaker for motor protection (3RV2)
• Frame size: S3
• Poles: 3
• Adjustable overload current range (Ir): 45-63 A
• Continuous current rating: 63 A
• Trip class: CLASS 10
• Instantaneous short-circuit release (N-release): 819 A
• Rated operating voltage (Ue): 690 V AC
• Rated frequency: 50-60 Hz
• Disconnector functionality: Yes
• Auxiliary switch ready (separately): Yes
• Phase failure detection: Yes
• Connection: Screw terminals
• Short-circuit breaking capacity (Icu): 100 kA @ 240 V; 65 kA @ 400 V; 12 kA @ 500 V; 6 kA @ 690 V
• Service breaking capacity (Ics): 100 kA @ 240 V; 30 kA @ 400 V; 6 kA @ 500 V; 3 kA @ 690 V
• Motor power at AC-3: 18.5 kW @ 230 V; 30 kW @ 400 V; 37 kW @ 500 V; 55 kW @ 690 V
• UL/CSA full-load current (FLA) at 480 V / 600 V: 63 A
• Insulation voltage (Ui) at pollution degree 3: 1000 V
• Surge voltage resistance: 8 kV
• IP protection: IP20 (front) / IP00 (terminals)
• Mechanical service life: 25,000 operating cycles
• Electrical endurance: 25,000 operating cycles
• Operating frequency at AC-3: max. 15 1/h
• Ambient temperature during operation: -20 to +60 °C
• Storage / transport temperature: -50 to +80 °C
• Relative humidity during operation: 10-95 %
• Shock resistance: 25 g / 11 ms half-sine (IEC 60068-2-27)
• Installation altitude: max. 2000 m
• Power loss at rated current (AC, hot state): 34 W total / 11.3 W per pole
• Net weight: 2.228 kg
• EAN/GTIN: 4047621013930

Features and benefits:

• Combined motor protection: adjustable thermal overload (45-63 A) plus instantaneous magnetic short-circuit protection in a single device
• Disconnector function with secure isolation per IEC 60947-1/2
• Phase failure detection - protects motors against single-phasing damage
• Wide AC-3 range up to 55 kW at 690 V; suitable as combined motor starter when paired with 3RT2 contactor (S3 size)
• Screw-terminal connections compatible with rigid and flexible conductors via terminal kit
• SIRIUS modular system - direct mounting with auxiliary switches and signaling contacts (sold separately)

Applications:

• Direct-on-line motor starter protection for 3-phase asynchronous motors up to 30 kW (400 V) or 55 kW (690 V)
• Combined motor starter solutions (with 3RT2 contactor and 3RA fuse-less starter assembly)
• Industrial machine builder panels requiring CLASS 10 thermal trip characteristics
• General-purpose motor branch circuit short-circuit and overload protection per IEC 60947-4-1

Also known as: Siemens 3RV2041-4JA10, SIRIUS 3RV2 S3 motor circuit breaker 45-63A, Siemens MCCB motor protector 63A 65kA.