General Purpose Pressure Switch Series ISG Model/Specifications ISG General Purpose Switch is Operating Hysteresis Proof pressure range adjusting range pressure Repeatability (MPa) (MPa) (MPa) (MPa) Body material in contact with fluid material Hysteresis scale plate Electrical entry widely used in machine tools, Open type (Non-waterproof) industrial machines, compressors, Brass, Phosphor bronze None chemical plants, power plants, Brass, Phosphor bronze Stainless steel 316 None Stainless steel 316 None Cable gland Brass, Phosphor bronze None machineries for ships, and for automatic pressure control such as hydraulic, water, liquid and atmospheric pressure. Brass, Phosphor bronze Brass, Phosphor bronze 1.5 Stainless steel 316 None Stainless steel 316 Type of operating fluid is limited by the material of wetted parts. Body material in contact with fluid material Fluid Fluid entering part Phosphor bronze Fluids which do not corrode stainless steel 316 e.g. steam (150°C or less) ∗ Stainless steel 316 Stainless steel 316 ∗ Ambient temperature: 80°C or less. Rated Voltage Contacts 2ab Snap type N.C. N.O. N.C. N.O. Load resistance Light load Inductive load Motor load When rising pressure q – w = ON e – r = OFF When rising pressure q – e r – y = ON q – w r – t = OFF Stainless steel 316 None 1a1b Snap type (Standard) Brass, Phosphor bronze None Ambient and fluid temp.: 5 to 80°C (No freezing), Contacts: 1a1b, 2ab (Made to Order), Port size: R 3/8, Weight: 1.3 kg (Open type), 1.5 kg (Dripproof) Brass, Phosphor bronze None (Dripproof) Insulation resistance: 100 MΩ or more at 500 VDC by megameter Voltage resistance: 2000 VAC/1 min.

Be sure to read before handling. Refer to pages 16-14-3 to 16-14-4 for Safety Instructions and Common Precautions on the products mentioned in this catalog, and refer to pages 16-1-11 to 16-113 for Precautions on every series. Caution 1. Select the model taking into consideration the material suitable for the operating fluid. Type of operating fluid is limited by the material of wetted parts. Please contact SMC for materials not specified. Warning 1. Do not have the internal wiring attached to the connection lever for switch operation. It may malfunction. Description Setting pressure adjusting...

General Purpose Pressure Switch Dimensions Open type ISG110 to 191-030 (Without hysteresis scale plate) ISG110 to 131-031 (With hysteresis scale plate) Hysteresis adjusting bolt Setting pressure adjusting bolt Hysteresis adjusting bolt Setting pressure adjusting bolt Dripproof type ISG210 to 291-030 (Without hysteresis scale plate) ISG210 to 231-031 (With hysteresis scale plate) Hysteresis adjusting bolt Hysteresis adjusting bolt Setting pressure adjusting bolt R 3/8 JIS F 8801 A type 20a Cable gland Setting pressure adjusting bolt JIS F 8801 A type 20a Cable gland

Safety Instructions These safety instructions are intended to prevent a hazardous situation and/or equipment damage. These instructions indicate the level of potential hazard by labels of "Caution", "Warning" or "Danger". To ensure safety, be sure to observe ISO 4414 Note 1), JIS B 8370 Note 2) and other safety practices. Caution : Operator error could result in injury or equipment damage. Warning : Operator error could result in serious injury or loss of life. Danger : In extreme conditions, there is a possible result of serious injury or loss of life. Note 1) ISO 4414: Pneumatic fluid power--General...

Common Precautions Be sure to read before handling. For detailed precautions on every series, refer to main text. Warning 1. Confirm the specifications. Products represented in this catalog are designed for use in compressed air appllications only (including vacuum), unless otherwise indicated. Do not use the product outside their design parameters. Please contact SMC when using the products in applications other than compressed air (including vacuum). Warning 1. Instruction manual Install the products and operate them only after reading the instruction manual carefully and understanding its...

Quality Assurance Information (ISO 9001, ISO 14001) Reliable quality of products in the global market To enable our customers throughout the world to use our products with even greater confidence, SMC has obtained certification for international standards “ISO 9001” and “ISO 14001”, and created a complete structure for quality assurance and environmental controls. SMC products pursue to meet its customers’ expectations while also considering company’s contribution in society. SMC’s quality control system Make customers our first priority, offering them reliable and friendly service. Produce the...

SMC Product Conforming to Inter SMC products complying with EN/ISO, CSA/UL standards are supporting The CE mark indicates that machines and components meet essential requirements of all the EC Directives applied. It has been obligatory to apply CE marks indicating conformity with EC Directives when machines and components are exported to the member Nations of the EU. Once “A manufacturer himself” declares a product to be safe by means of CE marking (declaration of conformity by manufacturer), free distribution inside the member Nations of the EU is permissible. í CE Mark SMC provides CE marking...

SMC Product Conforming to International Standards national Standards you to comply with EC directives and CSA/UL standards. Mark of compliance for CSA/UL í CSA Standards & UL Standards UL and CSA standards have been applied in North America (U.S.A. and Canada) symbolizing safety of electric products, and are defined to mainly prevent danger from electric shock or fire, resulting from trouble with electric products. Both UL and CSA standards are acknowledged in North America as the first class certifying body. They have a long experience and ability for issuing product safety certificate. Products...