3RV1021-1FA10 Siemens SIRIUS Motor Protection Circuit Breaker
The Siemens 3RV1021-1FA10 (SIRIUS 3RV1 series) is a compact, current-limiting 3-pole motor protection circuit breaker designed for switching and protecting 3-phase induction motors rated up to 1.5 kW at 400 V. Built in Frame Size S0, it features an adjustable thermal overload release setting from 3.5 to 5 A with CLASS 10 tripping characteristics and an instantaneous magnetic short-circuit release set at 65 A.
Engineered with high short-circuit breaking capacity (100 kA at 400 V), phase failure sensitivity, and standard IP20 finger-safe screw terminals, this motor starter protector provides reliable system and motor protection in industrial automation and control panels.
Parameter | Specification |
|---|---|
Brand / Manufacturer | Siemens |
Product Line | SIRIUS 3RV1 Series |
Part / Article Number | 3RV1021-1FA10 |
Device Frame Size | S0 |
Number of Poles | 3-Pole |
Thermal Overload Adjustment Range | 3.5 to 5.0 A |
Magnetic Short-Circuit Release (N-Trip) | 65 A |
Trip Class | CLASS 10 |
Max Motor Power Rating (AC-3, 400 V) | 1.5 kW |
Rated Operational Voltage | Up to 690 V AC/DC |
Short-Circuit Breaking Capacity (Icu at 400 V) | 100 kA |
Control / Actuator Type | Rotary Handle (ON/OFF with visible trip) |
Phase Failure Sensitivity | Yes |
Connection Type | Screw Clamp Terminals |
Mounting Type | 35 mm Standard DIN Rail / Screw Mounting |
Degree of Protection | IP20 (Front side) |
Dimensions (W x H x D) | 45 mm x 97 mm x 96 mm |
Ssaoco Dammam
- Started from: Jul 10, 2025
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