Siemens 3RN2012-2BA30 Thermistor Motor Protection Relay

The Siemens 3RN2012-2BA30 is a thermistor motor protection relay featuring a standard evaluation unit with a 22.5 mm enclosure and spring-loaded terminals. It provides 2 changeover contacts for versatile control integration.

This relay is designed for a control supply voltage of 24 V AC/DC. It includes ATEX approval for use in potentially explosive atmospheres and is equipped with two LEDs to indicate operational status (ready/tripped). Functions such as galvanic isolation, test/reset button, wire-break monitoring, and short-circuit monitoring are integrated for comprehensive protection. The unit also features non-volatile memory for retaining settings.

This relay is crucial for protecting motors from overheating, ensuring reliable operation in demanding industrial environments. It is widely used in manufacturing plants, chemical facilities, and other sectors where hazardous area classifications are present. Source your Siemens 3RN2012-2BA30 from Stanlo Automation, a veteran-owned distributor committed to providing high-quality surplus automation components.