D4NSSafety door switches Safety door switch with plastic housing The D4NS line-up includes three-contact models with 2NC/1NC and3NC contact forms in addition to the previous contact forms, 1NC/1NO and2NC. All models have a M20 conduit opening. • Line-up with three contacts: 2NC/1NC and3NC contact forms • Line-up with two contacts 1NC/1NO and2NC • Standardised gold-clad contacts for high contact reliability • Applicable for standardloads and micro loads Ordering information Switches (with approved direct opening contacts) TypeContact configuration Conduit opening/connector Order code 1-conduit Slow-action1NC/1NO M20D4NS-4AF 2NCM20 D4NS-4BF 2NC/1NO M20D4NS-4CF 3NCM20 D4NS-4DF Slow-action MBB contact 1NC/1NO M20 D4NS-4EF 2NC/1NO M20D4NS-4FF Operation keys (order separately) TypeOrder code Horizontal mountingD4DS-K1 TypeOrder code Adjustable mounting (horizontal)D4DS-K3 Vertical mountingD4DS-K2 Adjustable mounting (horizontal/vertical) D4DS-K5 Specifications Degree of protectionIP67 (EN60947-5-1) (This applies for the switch only. The degree of protection for the key hole is IP00.) Durability *1 Mechanical 1,000,000 operations min. Electrical500,000 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 speed0.05 to 0.5 m/s Operating frequency 30 operations/minute max. Direct opening force *2 60 N min. Direct opening travel *210 mm min. Minimum applicable loadResistive load of 1 mA at 5 VDC (N-level reference value) Protection against electric shockClass II (double insulation) Pollution degree (operating environment) 3 (EN60947-5-1) Contact gap 2×2 mm min Conditional short-circuit current 100 A (EN60947-5-1) Rated open thermal current (Ith)10 A (EN60947-5-1) Ambient temperatureOperating:–30C to 70C with no icing *1The durability is for an ambient temperature of 5C to 35C and an ambient humidity of 40 to 70%. For more details, consult your Omron representative. *2These figures are minimum requirements for safe operation. Note:The above values are initial values. 452
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