D4NH Safety limit switches Safety door hinge switch D4NH safety-door hinge switches are available with one or two built-in contacts, shaft or arm lever actuator and various conduit types, e.g. M20. • Direct opening mechanism • Shaft or arm lever actuator • Wide temperature range • Metric conduit and M12 connector types are available Ordering information Switches Actuator Conduit size Built-in switch mechanism 1NC/1NO (slow-action) 2NC (slow-action) 2NC/1NO (slow-action) Shaft 1-conduit M20 D4NH-4AAS D4NH-4BAS D4NH-4CAS M12 connector D4NH-9AAS D4NH-9BAS – Arm lever 1-conduit M20 D4NH-4ABC D4NH-4BBC D4NH-4CBC M12 connector D4NH-9ABC D4NH-9BBC – Actuator Conduit size Built-in switch mechanism 3NC (slow-action) 1NC/1NO MBB (slow-action) 2NC/1NO MBB (slow-action) Shaft 1-conduit M20 D4NH-4DAS D4NH-4EAS D4NH-4FAS M12 connector – D4NH-9EAS – Arm lever 1-conduit M20 D4NH-4DBC D4NH-4EBC D4NH-4FBC M12 connector – D4NH-9EBC – Specifications Degree of protection IP67 (EN60947-5-1) Durability Mechanical 1,000,000 operations min. Electrical 500,000 operations min. for a resistive load of 3 A at 250 VAC 300,000 operations min. for a resistive load of 10 A at 250 VAC Operating speed 2 to 360/s Operating frequency 30 operations/minute max. Protection against electric shock Class II (double insulation) Pollution degree (operating environment) 3 (EN60947-5-1) Contact gap Snap-action: 2 × 9.5 mm min Slow-action: 2 × 2 mm min Conditional short-circuit current 100 A (EN60947-5-1) Rated open thermal current (Ith) 10 A (EN60947-5-1) Ambient temperature Operating: –30C to 70C with no icing 433
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