Siemens 3RK1304-0HS00-6AA0 Maintenance Switch Module

Siemens 3RK1304-0HS00-6AA0 ET 200 RSM Maintenance Switch Module is a three-pole repair switch for ET 200 PRO motor starter assemblies, delivering a main-circuit disconnection with a current rating up to 25 A for safe maintenance. It provides a dedicated main-circuit disconnect function suitable for isolating motor control circuits, while the module’s 400 V insulation voltage, 6 kV surge resistance, and a 400 V rating for safe isolation between main and auxiliary circuits support reliable operation in industrial control cabinets. The enclosure is IP65-rated and designed for harsh environments, with finger-safe access to the main circuit and mechanical robustness specified as 15 g / 11 ms shock resistance and 2 g vibration resistance. Typical applications include maintenance isolation in ET 200 PRO configurations, motor starters, and automated line control where a reliable, code-compliant disconnector is required. This Siemens component integrates with ET 200 PRO automation ecosystems, offering a compact maintenance switch that helps technicians perform service work without disrupting upstream controls.