Azbil Model SL1-_ _ General Purpose Compact Horizontal Limit Switches offer a robust, long-life, and maintenance-free design with a mechanical life of 20 million operations, owing to a two piece-spring mechanism. These maintenance-free switches have a superior seal: oil-resistant/immersion-proof type (JIS) and IP67 (IEC). O-ring and integral diaphragm seal is built-in. The small, space-saving body can be tightly gang-mounted and have high sensitivity (movement differential = 0.1 mm). Contact form sing-pole double-throw (SPDT). Contact type- standard load type: pure silver rivet, low current load type: gold-plate rivet, M3 screw terminal, UL/CSA/GB (CCC marking) certified models available. Rugged models are also available.

The Model SL1-_C General Purpose Compact Horizontal Limit Switches (Rugged) models offer potted switches that protect the conduit and coolant-resistant terminals. The C-spring material high-cobalt alloy, which enhances resistance to coolants. The shape of the diaphragm seals has been modified to prevent cracking and insulation degradation (standard type). The internal plunger with a molded-in diaphragm seal prevents coolant from entering inside. This series offers potted switches that protect the conduit and terminals.

An oil-resistant/immersion-proof version with O-ring and built-in diaphragm seal is also available. The small, space-saving body can be tightly gang mounted, and this high sensitivity single-pole double-throw (SPDT) switch is available in standard (silver) and low current (gold) contact forms.