Telemecanique Sensors XMLB020B2S12 is an electromechanical pressure switch from the XMLB range, designed for reliable regulation between two thresholds up to 20 bar. Suitable for air, fresh water or hydraulic oil, it features a robust zinc-alloy enclosure, IP66 protection and long mechanical life for demanding industrial environments. Key Features Adjustable switching range: 1.3 … 20 bar (rising) / 0.3 … 18.4 bar (falling) 1 C/O snap-action silver contact, 3 A @ 120 V AC G 1/4 (female) process connection, ISO 228 External scale with local display and adjustable differential IP66 zinc-alloy housing, vibration resistant to 4 g Mechanical durability: 5 million cycles Product ID XMLB020B2S12 Brand Telemecanique Sensors Range Telemecanique Pressure Sensors XM Series XMLB Product type Electromechanical pressure switch Pressure rating 20 bar Adjustable range (rising) 1.3 … 20 bar Adjustable range (falling) 0.3 … 18.4 bar Maximum differential at high setting 11 bar Minimum differential at low setting 1 bar (±0.25 bar) Maximum permissible accidental pressure 45 bar Maximum permissible pressure per cycle 25 bar Destruction pressure 90 bar Controlled fluids Air, fresh water, hydraulic oil (0 … 160 °C) Process connection G 1/4 female, ISO 228 Pressure actuator Diaphragm Materials in contact with fluid FPM/FKM, brass Electrical connection Screw clamp 0.5 … 2 x 2.5 mm² (AWG 20 … 14) Cable entry Cable gland 7 … 13 mm Contact configuration 1 C/O Contact material Silver Auxiliary contact action Snap action Rated current 3 A @ 120 V AC; 1.5 A @ 240 V AC; 0.1 A @ 250 V DC Short-circuit protection 10 A gG cartridge fuse Terminal block 4 terminals Maximum operating rate 120 cycles/min Repeat accuracy ±2 % Rated insulation voltage Ui 500 V (IEC 60947-1); 300 V (UL 508 / CSA C22.2 No 14) Rated impulse voltage Uimp 6 kV Maximum terminal resistance 25 mΩ (NF C 93-050 method A) Scale type Adjustable differential Local display Yes Setting method External Operating position Any Mechanical durability 5 000 000 cycles Height 113 mm Width 35 mm Depth 75 mm Net weight 0.705 kg Ambient temperature (operation) -25 … 70 °C Ambient temperature (storage) -40 … 70 °C Vibration resistance 4 g (30 … 500 Hz) Shock resistance 50 g IP rating IP66 (IEC 60529) Protection class Class I Protective treatment TC (standard) Standards IEC 60947-5-1, UL 508, CSA C22.2 No 14, CE Certifications CCC, LROS, UL, BV, CSA Warranty 18 months