{"id":1121,"date":"2025-11-12T10:08:24","date_gmt":"2025-11-12T10:08:24","guid":{"rendered":"https:\/\/shfbdj.com\/?post_type=product&#038;p=1121"},"modified":"2025-11-12T10:08:37","modified_gmt":"2025-11-12T10:08:37","slug":"ybj2","status":"publish","type":"product","link":"https:\/\/www.shfbdj.com\/en\/product\/ybj2\/","title":{"rendered":"YBJ2 Series Explosion-Proof Motors for Winches"},"content":{"rendered":"<p><strong>Explosion-Proof Motors for Winches<\/strong><br \/>\n(1) The explosion-proof marking of the YBJ2 flameproof motor is ExdI.<br \/>\n(2) Structure and mounting types for winch explosion-proof motors: IMB3, IMB5.<br \/>\n(3) Main enclosure protection class: IP44, IP54, or IP55; terminal box protection class: IP54 or IP55.<br \/>\n(4) Cooling methods for winch explosion-proof motors: IC410, IC411, IC416.<br \/>\n(5) Insulation class: F or H, with high thermal margin in the stator winding and long service life.<br \/>\n(6) The motor has a cylindrical shaft extension at one end, driven via a flexible coupling or spur gear.<br \/>\n(7) The stator winding uses high-strength polyester-enameled round copper wire, treated with VPI insulation dipping to form an integrated structure, providing excellent electrical, mechanical, moisture resistance, and thermal stability properties.<br \/>\n(8) The rotor is of cast aluminum construction, dynamically balanced for smooth operation, low vibration, and low noise.<br \/>\n(9) Stator and rotor laminations are made of high-permeability, low-loss electrical silicon steel sheets, resulting in low motor losses and high efficiency.<br \/>\n(10) The main frame is made of seamless steel tubes or steel plates for high impact and collision resistance; other housing components are made of gray cast iron not lower than HT250.<br \/>\n(11) Bearings are selected for low vibration and low noise.<br \/>\n(12) Fan and fan cover: The fan is made of plastic, cast aluminum, or cast iron for high strength, connected to the shaft via a key for reliable operation. The fan cover is steel plate structure, designed to maximize ventilation area while preventing intrusion of foreign objects, ensuring smooth airflow.<\/p>\n<p><strong>Environmental Conditions for Winch Explosion-Proof Motors<\/strong><br \/>\n(1) Ambient air temperature varies with seasons, typically ranging from -20\u00b0C to +40\u00b0C.<br \/>\n(2) Altitude not exceeding 1000 m.<br \/>\n(3) Maximum relative humidity of ambient air not exceeding 95% (at +25\u00b0C).<\/p>","protected":false},"excerpt":{"rendered":"<p>Insulation Class: F<br \/>\nRated Voltage: 380\/660V, 660\/1140V<br \/>\nProtection Rating: IP55<br \/>\nFrequency: 50Hz<br \/>\nDuty Cycle: S1<\/p>","protected":false},"featured_media":1122,"template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-1121","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ex-proof-low-voltage-motors","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"product-type-simple","13":"entry","14":"content-bg","15":"loop-entry"},"_links":{"self":[{"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/product\/1121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/media\/1122"}],"wp:attachment":[{"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/media?parent=1121"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/product_brand?post=1121"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/product_cat?post=1121"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shfbdj.com\/en\/wp-json\/wp\/v2\/product_tag?post=1121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}