Snap action limit switches with positive opening mechanism enables general industrial machines to comply with EC directives and to acquire CE marking. Features The (→)-mark is a symbol for control switches with a positive opening operation. The mark is provided to assist in the acquisition of EN approval the LJA series conform to the EN 50041 standard UL / CSA / CE / GB (ccc markings) are provided, making the LJA series suitable for machines to be exported to North America and Europe (excluding some models) N.C./N.O. electrically independent contacts (Zb) with snap action mechanism Use of twin-contact structure improves contact reliability Mounting centres dimensions are compatible with these of LS general purpose limit switches High degree of sealing meet immersion proof (JIS) and IP67 (IEC 60529) standards