Inductive Proximity Sensors 20 to 25mm Sensing Range 2-Wire AC 4-Wire AC 20mm 20mm 20mm 25mm No No Yes No MODEL NUMBER(S) NJ20+U4+W NJ20+U4+W4 NCB20+U4+U NCN25-30GM70-US OUTPUT: Suffix U/US/W N.O. or N.C. -- N.O. or N.C. Normally open AC - Thyristor AC/DC - Transistor Suffix W4 Specifications SENSING RANGE SHIELDED LOAD CURRENT LEAKAGE CURRENT INRUSH CURRENT 2-Wire AC/DC -- N.O. and N.C. -- -- 8-500mA 500mA max. 5-500mA AC or DC 8-200mA AC or DC 1.7mA 10A 1.7mA 1.3mA 4A/20ms 4A/20ms 3A/20ms 1.7A/20ms 5VAC 3VAC 7V 7V 2-Wire and 4-Wire VOLTAGE DROP SHORT CIRCUIT AND OVERLOAD PROTECTION No No Yes Yes AC & AC/DC REVERSE POLARITY PROTECTION -- -- Nonpolarity sensitive Nonpolarity sensitive 20-250VAC/45-65Hz 20-130VAC/45-65Hz 20-250VAC/20-300VDC 20-250VAC/20-300VDC Yes (2) Yes (2) Yes (2) Yes (2) -- 10mA 1.7mA -- Inductive SUPPLY VOLTAGE LED(s) CURRENT CONSUMPTION REPEATABILITY HYSTERESIS .01mm .01mm .01mm .01mm 3-15%(5% typical) 3-15%(5% typical) 3-15%(5% typical) 3-15%(5% typical) 20Hz 25Hz 200Hz 30Hz NEMA ICS5-2000 See page 6 NEMA ICS5-2000 See page 6 NEMA ICS5-2000 See page 6 NEMA ICS5-2000 See page 6 IP68 IP68 IP68 IP67 SWITCHING FREQUENCY ELECTROMAGNETIC COMPATIBILITY COMPLIANCE PROTECTION IEC AMBIENT TEMPERATURE -14F to +158F -14F to +158F -14F to +158F -14F to +158F Crastin/metal base Crastin/metal base Crastin/metal base Nickel-plated brass Crastin Crastin Crastin Crastin General Purpose Yes Yes Yes Yes General Purpose Yes Yes Yes Yes Nonincendive Yes Yes Yes HOUSING MATERIAL SENSING FACE APPROVALS LISTED FM Terminal housing ELECTRICAL CONNECTION Dimensions (mm) Classic Series NJ20+U4+W NCB20+U4+U* Metal Terminal housing Metal Quick Disconnects LEDs Yellow: Output Status Green: Power Green/Yellow Flashing (U output only) Short Circuit/Overload Indicators 1/2" NPT Terminal housing See pages 767-812 for cordsets Crastin LEDs Yellow: Normally Open Green: Normally Closed Classic Series NJ20+U4+W4 Type V12 1/2" NPT (between holes) 40 40 60 xis Y-a 0 ts 9 en 40 rem Inc X-a 46 90 xis Oblong hole 5.3 x 7.3 thru ( 2 places ) NJ20+U4+W-V12 NCB20+U4+U-V12 Type BHMS3 * 70 60 15 xis Y-a 0 ts 9 en 40 rem Inc 46 X-a xis 90 Oblong hole 5.3 x 7.3 thru ( 2 places ) 59 54 18 36 across the flats 5 thickness Type BHMS5 Quick Disconnect NJ20+U4+W4-BHMS5 1" across the flats When ordering, 18 please specify 7/8"- 16 N.O. or N.C. NJ20+U4+W-BHMS3 NCB20+U4+U-BHMS3 144 5.3 thru ( 2 places ) 40 1/2" - 20 5.3 thru ( 2 places ) Short Circuit/Overload Indicators 11 25 11 LEDs Green: Power Yellow: Output Status Green/Yellow Flashing 30 (between holes) 40 Classic Series NCN25-30GM70-US 118 13 across the flats 118 30 Yes 2-meter cable, PVC covered, 2-conductor, #22AWG PEPPERL+FUCHS 1" across the flats 7/8"- 16 27.8 M30 x 1.5 Metal-free zone 18 Pepperl+Fuchs(R) Inc. * 1600 Enterprise Parkway * Twinsburg, Ohio 44087-2245 * www.am.pepperl-fuchs.com Telephone (330) 486-0001 * FAX (330) 405-4710 * E-Mail: sales@us.pepperl-fuchs.com