D4BS Safety door switches Safety door switch with metal housing The D4BS line-up includes two-contact models with 1NC/1NO and 2NC in a robust metal housing with 1 PG 13.5 conduit opening. • Robust metal housing • Line-up with two contacts: 1NC/1NO and 2NC • Standardised gold-clad contacts for high contact reliability • Applicable for standard loads and micro loads Ordering information Switches Type Mounting direction Conduit size Order code 1NC/1NO (slow-action) 2NC (slow-action) 1-conduit Front-side mounting Pg13.5 D4BS-15FS D4BS-1AFS Operation keys (order separately) Type Order code Horizontal mounting D4BS-K1 Vertical mounting D4BS-K2 Adjustable mounting (horizontal) D4BS-K3 Specifications Degree of protection*1 Durability*2 IP67 (EN60947-5-1) Mechanical: 1,000,000 operations min. Electrical: 500,000 operations min. (10 A at 250 VAC, resistive load) Operating speed 0.1 m/s to 0.5 m/s Operating frequency 30 operations/min max. Rated frequency 50/60 Hz Contact gap 2×2 mm min. Direct opening force*3 19.61 N min. (EN60947-5-1) Direct opening travel*3 20 mm min. (EN60947-5-1) Full stroke 23 mm min. Conventional enclosed thermal current (Ith) 20 A (EN60947-5-1) Conditional short-circuit current 100 A (EN60947-5-1) Pollution degree (operating environment) 3 (EN60947-5-1) Protection against electric shock Class I (with ground terminal) Ambient temperature Operating: –40 to 80°C (with no icing) *1 Although the switch box is protected from dust, oil, or water penetration, do not use the D4BS in places where dust, oil, water, or chemicals may penetrate through the key hole on the head, otherwise switch damage or malfunctioning may occur. *2 The durability is for an ambient temperature of 5C to 35C and an ambient humidity of 40 to 70%. Contact your Omron sales representative for more detailed information on other operating environments. *3 These figures are minimum requirements for safe operation. Note: The above values are initial values. 453
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