{"product_id":"siebe-invensys-msc-p1501-environmental-controls","title":"Siebe Invensys MSC-P1501 Environmental Controls","description":"\u003cdiv\u003e\u003cp\u003eThe Siebe Invensys MSC-P1501 Environmental Controls Controller is an MSC-series 24 VAC environmental control module designed to manage HVAC and environmental subsystems in commercial facilities. It operates from a 24 VAC supply with a maximum load of 101 VA and supports 50\/60 Hz operation. The controller provides 24 VAC control outputs rated up to 12 VA, enabling direct interfacing with relays, valves, and actuators within environmental control circuits. While the MSC-P1501 is an older model, multiple distributor listings confirm it was discontinued by the manufacturer, though used units remain available in secondary markets. \u003c\/p\u003e\u003c\/div\u003e","brand":"SIEBE","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46269165830378,"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-019.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/siebe-invensys-msc-p1501-environmental-controls","provider":"GTG Hardware","version":"1.0","type":"link"}