The 3SE5 switches with metal enclosure are available in three enclosure sizes with two or three contact elements and the XL enclosure:

• Enclosure according to EN 50047, 31 mm wide, IP66/IP67, 1 cable entry
• Enclosure according to EN 50041, 40 mm wide, IP66/IP67, 1 cable entry
• Enclosure, 56 mm wide, IP66/IP67, 3 cable entries
• XL enclosure with 4 to 6 contact elements, 56 mm wide, IP66/IP67, 3 cable entries
• Normally closed contact (positive opening) according to IEC 60947-1, Appendix K (with suitable operating mechanism).

Furthermore there are switches in compact design with degree of protection IP67;
connection with molded cable or connector.