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Built for hazardous process areas where reliability
It operates at 230V AC and includes 2 auxiliary switches for enhanced control options
644A2G3 - Actuator
The Siemens QRA2M is a high sensitivity version of the standard QRA2
G ¼-female thread as per ISO 228:
1.1kW ATEX - 4 Pole Flameproof Motor Mounting:B34 Built for hazardous process areasTEC YBX3 1. 1 kW 4 Pole (~1500 rpm) Flameproof Motor Certified for ATEX UKEX Zone 1 with Ex d IIC T4 protection. Built for hazardous process areas where reliability, efficiency and uptime matter. Key Features ATEX UKEX Zone 1, Ex d IIC T4 IE3 efficiency (per pole frame), EU 2019 1781 compliant IP66 enclosure; Class F insulation (B rise); S1 continuous duty PTC 130C thermistors; VSD compatible Cast iron frame and terminal box; dynamically balanced
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