{"product_id":"siemens-3va9157-0ha20-motor-operator-110-230vac-110-250vdc","title":"Siemens 3VA9157-0HA20 Motor Operator","description":"\u003cdiv\u003e\u003cp\u003eSiemens 3VA9157-0HA20 Motor Operator is a motorized operating mechanism (MO) accessory for Siemens SENTRON 3VA11 molded‑case circuit breakers, enabling remote or automatic actuation of the breaker mechanism. It accepts a dual supply range—110–230 V AC or 110–250 V DC—to fit a variety of control architectures. The compact housing measures 76.2 mm in width, 70 mm in height, and 103 mm in depth and weighs 578 g, with a rated DC control voltage of 110 V. Designed specifically for the 3VA11 family, this motor operator is a genuine Siemens SENTRON component that can be integrated into panelboards and switchgear requiring motorized switching. The device is rated for operation in industrial environments with an ambient temperature range of −25 °C to +70 °C, ensuring reliable performance across common installation conditions. As an accessory for the 3VA11, the 3VA9157-0HA20 preserves the protective features of the base breaker while adding automated actuation capability, supporting applications that demand remote control, unattended operation, or integration with supervisory control systems. \u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46268189278442,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-3va9157-0ha20-motor-operator-110-230vac-110-250vdc","provider":"GTG Hardware","version":"1.0","type":"link"}