Performance Overview
The Siemens 3RV2021-4EA15 (SIRIUS Size S0 Motor Circuit Breaker) is a robust, high-performance switching and protection device engineered for industrial motor applications. Featuring an adjustable thermal-magnetic release range of 28.0 to 36.0 Amps and standard screw-type terminals, this unit protects high-capacity motors against overloads and short circuits while offering secure, time-tested wiring connections.
🚀 Key Performance Benefits
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Reliable Motor Protection: Integrated thermal overload release and electromagnetic short-circuit trip protect large electrical machinery safely.
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Traditional Screw Terminals: Provides secure, high-integrity mechanical clamping for heavy-gauge industrial wiring.
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Adjustable Current Range: Tunable between 28.0A and 36.0A to match exact industrial motor specifications.
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Siemens Original Quality: Guaranteed brand-new original manufacturing to ensure optimal operational reliability and long service life.
⚙️ YingZhou Industrial Automation Integration
Mitsubishi
Mitsubishi
