XML Electromechanical Pressure Switches

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Jane Todd
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Selection Guide Industrial Switches Type of installation ontrol circuits Applications Media controlled Type of operation Air, water, hydraulic oils, corrosive fluids,

detection at each threshold Fluid characteristics Size (pressure range) imensions of case (mm) width x height x depth Air, fresh water, sea water, corrosive fluids,

5 to 750 psi) 5 x 68 x 75 6 x 68 x 85 5 x 68 x 75 Type of contacts /O single-pole, snap action /O single-pole, simultaneous, snap action /O single-pole, snap action

connector Agency listings connection connection UL, SA,, BV, LROS, RINA, GL, NV, VIT-SEPRO Screw terminals: tapped entry: / NPT; M0 x.5 mm for ISO conduit/cable; or PG.

1 Selection Guide Industrial Switches Type of installation ontrol circuits Applications Media controlled Type of operation Air, water, hydraulic oils, corrosive fluids, viscous products Fixed differential: etection of a single threshold Adjustable differential: Regulation between two thresholds ual-stage switches: Fixed differential, detection at each threshold Fluid characteristics Size (pressure range) imensions of case (mm) width x height x depth Air, fresh water, sea water, corrosive fluids, viscous products, up to 0 F (60 ) depending on model to 500 bar (.5 to 750 psi) 5 x 68 x 75 6 x 68 x 85 5 x 68 x 75 Type of contacts /O single-pole, snap action /O single-pole, simultaneous, snap action /O single-pole, snap action egree of protection IP 66 with terminal connections IP 65 with plug-in connector IP 66 with terminal connections IP 66 with terminal connections IP 65 with plug-in connector Agency listings connection connection UL, SA,, BV, LROS, RINA, GL, NV, VIT-SEPRO Screw terminals: tapped entry: / NPT; M0 x.5 mm for ISO conduit/cable; or PG.5 conduit/cable entry onnector: IN 650, M G (BSP female) G - (BSP female) for viscous products atalog number XMLA XMLB XML XML Pages pages 0 78 Other versions For electromechanical pressure and vacuum switches with alternative tapped cable or fluid entries, consult your local sales office.

2 Industrial Switches XMLA Introduction XML pressure and vacuum switches for control circuits are used to control the pressure of hydraulic oils, fresh water, sea water, air, steam, corrosive fluids, or viscous products, up to 750 psi (500 bar). XMLA pressure and vacuum switches have a fixed differential and are for detection of a single threshold. They incorporate a /O single-pole contact. XMLB pressure and vacuum switches have an adjustable differential and are for regulation between two thresholds. They incorporate a /O single-pole contact. XML pressure and vacuum switches have an adjustable differential and are for regulation between two thresholds. They incorporate two /O single-pole contacts. XML pressure and vacuum switches are dual-stage switches, each stage with a fixed differential, and are for detection at each threshold. They incorporate two /O single-pole contacts (one per stage). Setting XMLA: and vacuum switches with fixed differential XMLB, XML Rising pressure Operating point PH is set by adjusting the red screw (). Falling pressure Operating point PB is not adjustable. The difference between the trip and reset points of the contact is the inherent differential of the switch (contact differential, friction, etc.). XMLB and XML: and vacuum switches with adjustable differential When setting the pressure and vacuum switches, first adjust the operating point on rising pressure (PH), then the operating point on falling pressure (PB). Rising pressure Operating point PH is set by adjusting the red screw (). Falling pressure Operating point PB is set by adjusting the green screw (). XML: ual-stage pressure and vacuum switches with fixed differential for each threshold Operating point on rising pressure of stage and stage First stage operating point on rising pressure (PH) is set by adjusting the red screw (). Second stage operating point on rising pressure (PH) is set by adjusting the blue screw (). Operating point on falling pressure The operating points on falling pressure (PB and PB) are not adjustable. The difference between the trip and reset points of each contact is the inherent differential of the switch (such as contact differential or friction). 0

3 Industrial Switches Table : Environmental specifications onformity to standards e, IE/EN , UL 508, SA - n Product certifications Protective treatment UL, SA,, BV, LROS, RINA, GL, NV, VIT-SEPRO Standard version T. Special version TH Ambient air temperature, F ( ) For operation: to +58 ( 5 to +70). Storage: 0 to +58 ( 0 to +70) Fluids or products controlled Hydraulic oils, air, fresh water, sea water, 0 F (0 to 60 ), depending on model Steam, corrosive fluids, viscous products, 0 F (0 to 60 ), depending on model Materials ase: zinc alloy. omponent materials in contact with fluid: see pages Operating position Vibration resistance Shock resistance All positions gn ( Hz) conforming to IE except XML L5, XML 00 and XMLBM0 : gn 50 gn conforming to IE except XML L5, XML 00 and XMLBM0 : 0 gn Electric shock protection lass I conforming to IE 0, IE 56 and NF 0-00 egree of protection Operating rate (operating cycles/minute) Repeat accuracy < % connection () onnection () for screw terminal models Screw terminal models: IP 66 conforming to IE/EN 6059 onnector models: IP 65 conforming to IE/EN 6059 Piston version switches: up to 60 cycles/minute for temperatures greater than F (0 ) iaphragm version switches: up to 0 cycles/minute for temperatures greater than F (0 ), G / (BSP female) conforming to NF E 0-005, ISO 8 /" NPTF female PT / (JIS B00). /" NPT electrical connections ISO M0 x.5 tapped entry IN Pg.5 (n ) tapped entry onnector models, either M or IN 650 A: consult your local sales office. () See page 0, Interpretation of the atalog Number for XML evices, for more information on specifying the electrical and pressure connections. Table : ontact block specifications a A-5; B00 (Ue = 0 V, Ie =.5 A - Ue = 0 V, Ie = A) Rated operational specifications c -; R00 (Ue = 50 V, Ie = 0. A) conforming to IE Appendix A, EN Ui = 500 V conforming to IE/EN Rated insulation voltage Ui = 00 V conforming to UL 508, SA - n Rated impulse withstand voltage U imp = 6 kv conforming to IE/EN Type of contacts Silver tipped contacts XMLA and XMLB: /O single-pole contact ( terminal), snap action XML: /O single-pole contacts (8 terminal), simultaneous, snap action XML: /O single-pole contacts (8 terminal), staggered, snap action Resistance across terminals (m ) < 5 conforming to NF method A or IE 55-7 category Terminal referencing onforming to ENELE EN 500 Short-circuit protection 0 A cartridge fuse type gg (gl) onnection Screw clamp terminals. lamping capacity, min: x 0. mm, max: x.5 mm durability onforming to IE/EN Appendix Utilisation categories A-5 and - XMLA and XMLB A supply a 50/60 Hz o Inductive circuit, lthe = 0 A XML and XML A supply a 50/60 Hz o Inductive circuit, lthe = 0 A Operating rate: 600 operating cycles/hour Load factor: 0.5 Millions of operating cycles V 8 V Ithe 0 V Millions of operating cycles V 8 V / V Ithe urrent in A 0. 0 V urrent in A supply c Power broken in W for million operating cycles supply c Power broken in W for 5 million operating cycles Voltage V 8 0 Voltage V 8 0 o W 9 6 o W 0 7

4 Industrial Switches 0 Interpretation of the atalog Number for XML evices Table 9: Interpreting the atalog Number (Example: XMLA00AS) esignation Nautilus Switch Nonadjustable differential, single pole Adjustable differential, single pole Type Adjustable differential, double pole Nonadjustable differential, double pole Operating range bar (psi) Input fluid isplay XML A 00 A S atalog Number XML 0.05 L L5 0.5 Overpressure 0.0 (.5) S5 to 0.8 M0 to 0. M0 0. to 0.0 M0 0.5 to 5 M Overpressure 0.0 (.5) S0 00 Overpressure 0.0 (.5) S Overpressure 0.0 (.5) S Overpressure 0.0 (.5) S iaphragm type Hydraulic oils, air, fresh, or sea water, 58 F (0 70 ) A Hydraulic oils, air, fresh, or sea water, 0 F (0 60 ) B orrosive fluid Viscous products P Hydraulic oils or air, 0 F (0 60 ) R Fresh or sea water, 0 F (0 60 ) S Vacuum type with diaphragm Hydraulic oils, air, fresh or sea water, 58 F (0 70 ) V Hydraulic oils, air, fresh or sea water, 0 F (0 60 ) T Piston type Hydraulic oils or air, 0 F (0 60 ) Fresh or sea water, 0 F (0 60 ) E orrosive fluid, 0 F (0 60 ) N Not provided Provided Threaded hole IN 650 connector M threaded connector (Micro hange type) S onnection ontact type ry contact European G / (BSP female) Type (Pg.5) G / (BSP female) ISO M0 Entry type U.S.A. / in. NPTF / in. NPT Japan PT / (JIS B00) / in. PF (JIS B00) Options May indicate factory setting A B

5 Selection and Specifications Industrial Switches Table 50: Size 60 bar (0 psi) Fixed differential, for detection of a single threshold Switches with /O single-pole contact connection /" NPT or /" BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) (Rising pressure) 0 60 bar (5 0 psi) onnection Terminals IN connector Terminals IN connector atalog Numbers () Fluids ontrolled () Hydraulic oils, up to 0 F (60 ) Fresh water, sea water, up to 0 F (60 ) orrosive fluids, air, up to 0 F (60 ) XMLA60S XMLA60 XMLA60S XMLA60 XMLA60ES XMLA60E XMLA60ES XMLA60E XMLA60NS XMLA60N XMLA60NS XMLA60N Weight, lb (kg).65 (0.750).7 (0.780).65 (0.750).7 (0.780) Supplementary Specifications (not shown under general specifications) Inherent ifferential At low setting 5.5 bar (79.75 psi), ± bar (±.5 psi) (subtract from PH to get PB) At high setting 8 bar (6 psi), ± bar (±.5 psi) Maximum Allowable Per cycle 00 bar (900 psi) Accidental 60 bar (50 psi) estruction 70 bar (0,0 psi) Mechanical life 6 x 0 6 operating cycles able Entry and Wire Size for Terminal Models /" NPT, x 0. mm² minimum, x.5 mm² maximum. onnector Type for onnector Models IN 650A, -pin male. For suitable female connector, see page 7. Switch Style Piston () For entry tapped for PG.5 conduit/cable entry, replace S with S (example: XMLA60S becomes XMLA60S). () omponent materials of units in contact with the fluid, see pages Operating urves Rising pressure bar Other Versions bar Falling pressure PH PB Adjustable value --- Non adjustable value onnection Terminal model onnector model For switches with alternative tapped cable entries (such as NPT), consult your local sales office. Time switch connector pin view and 6

Electromechanical pressure switches

Electromechanical pressure switches References : pages / and / page /5 Presentation Functions Pressure switches type XMX and XMA are switches for control circuits, with an adjustable differential. They are used to control the pressure of