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D4B-4B15N Datasheet(PDF) 8 Page - Omron Electronics LLC |
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D4B-4B15N Datasheet(HTML) 8 Page - Omron Electronics LLC |
8 / 16 page 8 D4B- @N Direct Opening Mechanism 1NO/1NC Contact (Snap-action) Conforms to EN60947-5-1 Direct Opening (Only NC contact has a direct opening mechanism.) 1NC/1NO Contact (Slow-action) 2NC Contact (Slow-action) Contact Form Note: Terminal numbers are according to EN50013; contact symbols are according to IEC60947-5-1. A B 1. When contact welding occurs. 2. When contacts are being pulled apart. Movable contact Plunger Safety cam Fixed contact (NC) Movable contact blade Safety cam directly pushes up the movable contact blade. 3. When contacts are completely pulled apart. Contact spring Return spring Fixed contact (NC) Movable contact Plunger Conforms to EN60947-5-1 Direct Opening (Only NC contact has a direct opening mechanism.) When contact welding occurs, the contacts are separated from each other by the plunger being pushed in. Fixed contact (NO) Contact spring Return spring Fixed contact (NC) Movable contact Plunger Conforms to EN60947-5-1 Direct Opening (Both NC contacts have a direct opening mechanism.) When contact welding occurs, the contacts are separated from each other by the plunger being pushed in. Model Contact Contact form Diagrams Explanation D4B- @1@N 1NC/1NO (Snap-action) D4B- @5@N 1NC/1NO (Slow-action) D4B- @A@N 2NC (Slow-action) 13 14 11 12 Za 11-12 13-14 Stroke ON Only NC contact 11-12 has a certified direct opening mechanism. Terminal numbers 11-12 and 13-14 cannot be used as unlike poles. 11 23 12 24 Zb 11-12 23-24 Stroke ON Only NC contact 11-12 has a certified direct opening mechanism. Terminal numbers 11-12 or 23-24 can be used as unlike poles. 11 21 12 22 Zb 11-12 21-22 Stroke ON Both NC contacts 11-12 and 21-22 have a certified direct opening mechanism. Terminal numbers 11-12 and 21-22 can be used as unlike poles. |
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