The Siemens 3RV Motor Protection Circuit Breaker (MPCB) is a compact and reliable solution for protecting electric motors against overload, short circuits, and phase failures. Part of the Siemens SIRIUS portfolio, it combines thermal and magnetic trip mechanisms within a space-saving, DIN rail-mountable design—ideal for motor control and load protection.
Overload and short circuit protection with thermal & magnetic trip mechanisms
Phase failure/unbalance protection for motor safety
Integrated manual motor switching (ON/OFF control)
Compact, modular design for DIN rail mounting
Easy integration with Siemens SIRIUS accessories
Multiple sizes available: S00, S0, S2, S3
Versions approved as UL 489 circuit breakers
Fuseless design reduces complexity and cost
The Siemens 3RV MPCB ensures maximum safety for your motors and control systems while simplifying your setup. Its fuseless protection, modularity, and flexibility make it an efficient alternative to traditional overload relays and fuses. Whether used in industrial automation, control panels, or standalone motor setups, this breaker enhances system reliability and keeps downtime to a minimum.
Industrial automation and motor control panels
Protection of pumps, compressors, and conveyors
Manufacturing plants and process industries
HVAC, water treatment, and building automation systems
Applications requiring UL 489-approved protection
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Ohm Murugha Electrical is a trusted dealer, supplying Siemens 3RV MPCBs all over India. Satisfied buyers rely on us for quick replies, timely delivery, and genuine products.
