Siemens 3RV Motor Protection Circuit Breaker

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.

Key Features at a Glance

• 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

Why Choose This Product

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.

Ideal For

• 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.