Product Search

    SEARCH NOW FOR ALL YOUR SIEMENS SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Sensors & Switches / Proximity Switch

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Filter Results
    Results 701-750 of 996.
    SIEMENS 3RG6013-3RS00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG6013-3RS00

    DISCONTINUED BY MANUFACTURER, SONAR SENSOR, SIMATIC PXS310, COMPACT SERIES M30 K2, NICKEL-PLATED BRASS, FIXED SENSOR, M12 CONNECTOR, 4-POLE, TYPE F, 24V DC, 300MA, IP65, SN=200-1300MM, 20-13 ...
    Buy Surplus As Low As €287.27 Price with VAT: €341.85
    €287.27 Price with VAT: €341.85
    SIEMENS 3RG42107AG00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG42107AG00

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI210, STAINLESS STEEL, M8 CONNECTOR, TYPE A, C, 10-30V DC, 200MA, IP67, PNP, SN=0.8MM, FLUSH, M5, 3-WIRECEIVER, NO
    Buy Surplus As Low As €60.33 Price with VAT: €71.79
    €60.33 Price with VAT: €71.79
    SIEMENS 3RG40720KB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40720KB00

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI320, MOLDED PLASTIC, M14, 20-320V DC / 20-265V AC, CABLE, PUR, 300MA, IP67, SN=2.5MM, FLUSH, 2-WIRECEIVER, NO
    Buy Surplus As Low As €53.86 Price with VAT: €64.10
    €53.86 Price with VAT: €64.10
    SIEMENS 3RG46101AG07

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46101AG07

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI210, STAINLESS STEEL, M5, 10-30V DC, CABLE, PVC, 200MA, IP67, PNP, SN=0.8MM, FLUSH, 3-WIRECEIVER, NO, 5M
    Buy Surplus As Low As €71.82 Price with VAT: €85.46
    €71.82 Price with VAT: €85.46
    SIEMENS 3RG73401CC00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG73401CC00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, DIFFUSE SENSOR, DC, PNP, CABLE
    Buy Surplus As Low As €98.75 Price with VAT: €117.51
    €98.75 Price with VAT: €117.51
    SIEMENS 3RG7342-3BG00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7342-3BG00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, THRU-BEAM DC PLUG
    Buy Surplus As Low As €71.82 Price with VAT: €85.46
    €71.82 Price with VAT: €85.46
    SIEMENS 3RG7342-3CC00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7342-3CC00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, RECEIVER THRU-BEAM DC PNP
    Buy Surplus As Low As €89.77 Price with VAT: €106.83
    €89.77 Price with VAT: €106.83
    SIEMENS 3RG74040CH00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG74040CH00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, DIFFUSE SENSOR, DC, PNP, CABLE
    Buy Surplus As Low As €98.75 Price with VAT: €117.51
    €98.75 Price with VAT: €117.51
    SIEMENS 3RG7404-7CH00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7404-7CH00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, DIFFUSE SENSOR, DC, PNP, PLUG
    Buy Surplus As Low As €89.90 Price with VAT: €106.98
    €89.90 Price with VAT: €106.98
    SIEMENS 3RG74047HH00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG74047HH00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, OPTICAL, SERIES K20, DC, NPN
    Buy Surplus As Low As €98.75 Price with VAT: €117.51
    €98.75 Price with VAT: €117.51
    SIEMENS 3RG7560-1CH55

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7560-1CH55

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, COLOR MARK, SENSOR, DC, PNP, CABLE
    Buy Surplus As Low As €352.38 Price with VAT: €419.33
    €352.38 Price with VAT: €419.33
    SIEMENS 3RG7620-1RH00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7620-1RH00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, 30CM RANGE, DIFFUSE SENSOR, 10-30VDC, M18X65MM, 2M PVC CABLE, LIGHT-ON DARK-ON, NPN/PNP
    Buy Surplus As Low As €237.54 Price with VAT: €282.67
    €237.54 Price with VAT: €282.67
    SIEMENS 3RG7621-3RH51

    SIEMENS

    3RG7621-3RH51

    DISCONTINUED BY MANUFACTURER, OPTICAL PROXIMITY SWITCH RETROREFLECTIVE SENSOR, 2M RANGE, M18 X 55MM, 10...30 V DC, M12 CONNECTOR, LIGHT-ON DARK-ON, NPN/PNP
    Buy Surplus As Low As €155.82 Price with VAT: €185.43
    €155.82 Price with VAT: €185.43
    SIEMENS 3RG76223RH00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG76223RH00

    DISCONTINUED BY MANUFACTURER, OPTICAL SENSOR, DIFFUSE, REC, THRU-BEAM, DC, NPN
    Buy Surplus As Low As €49.37 Price with VAT: €58.76
    €49.37 Price with VAT: €58.76
    SIEMENS 3RG7641-3AA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7641-3AA00

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, M18S DIFFUSE, 80CM, PNP, L0 DO M12
    Buy Surplus As Low As €154.14 Price with VAT: €183.42
    €154.14 Price with VAT: €183.42
    SIEMENS 3RG76423AA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG76423AA00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, M18S, RECEIVER 6M, PNP, D0, M12
    Buy Surplus As Low As €44.89 Price with VAT: €53.41
    €44.89 Price with VAT: €53.41
    SIEMENS 3RG7824-6BG00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7824-6BG00

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC TRANSMITTER 0-60M 24VDC IP65
    Buy Surplus As Low As €203.60 Price with VAT: €242.29
    €203.60 Price with VAT: €242.29
    SIEMENS 3RG46110AB03

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46110AB03

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI320, STAINLESS STEEL, M8, 10-30V DC, CABLE, PVC, 200MA, IP67, PNP, SN=1.5MM, FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €53.86 Price with VAT: €64.10
    €53.86 Price with VAT: €64.10
    SIEMENS 3RG46131AB01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46131AB01

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI340, NICKEL-PLATED BRASS, M18, 10-30V DC, CABLE, PUR, 200MA, IP67, PNP, SN=12MM, QUASI FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €52.79 Price with VAT: €62.82
    €52.79 Price with VAT: €62.82
    SIEMENS 3RG46143AN61

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46143AN61

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI430, STAINLESS STEEL, M12 CONNECTOR, TYPE E, F, 10-30V DC, 200MA, IP67, M30, PNP, SN=10MM, FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €53.86 Price with VAT: €64.10
    €53.86 Price with VAT: €64.10
    SIEMENS 3RG46377GB01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46377GB01

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH BERO KUBISCH 8 MM X 8 MM INDUCTIVE, 10...30 V DC, SN=3 MM, QUASI FLUSH, NO, 200 MA, NPN, 3-WIRECEIVER, NICKEL-PLATED BRASS, WITH COMBI CONNECTO ...
    Buy Surplus As Low As €107.73 Price with VAT: €128.19
    €107.73 Price with VAT: €128.19
    SIEMENS 3RG46383AG00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG46383AG00

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI240, MOLDED PLASTIC, M12 CONNECTOR, TYPE E, F, 10-30V DC, 200MA, IP67, PNP, SN=15MM, FLUSH, 40X40MM, 3-WIRECEIVER, NO
    Buy Surplus As Low As €40.40 Price with VAT: €48.07
    €40.40 Price with VAT: €48.07
    SIEMENS 3RG40720AA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40720AA00

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI320, MOLDED PLASTIC, M14, 10-65V DC, CABLE, PUR, 300MA, IP67, PNP, SN=2.5MM, FLUSH, 3-WIRECEIVER, NC
    Buy Surplus As Low As €40.40 Price with VAT: €48.07
    €40.40 Price with VAT: €48.07
    SIEMENS 3RG40333AD01

    SIEMENS

    3RG40333AD01

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI350, MOLDED PLASTIC, M12 CONNECTOR, TYPE E, F, 10-65V DC, 300MA, IP65, PNP, SN=40MM, FLUSH, 80X100MM, 3-WIRECEIVER, NO/NC
    Buy Surplus As Low As €154.14 Price with VAT: €183.42
    €154.14 Price with VAT: €183.42
    SIEMENS 3RG40120AB001AD0

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40120AB001AD0

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI320, NICKEL-PLATED BRASS, M12, 10-65V DC, CABLE, 3M, PUR, 300MA, IP67, PNP, SN=2MM, FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €40.40 Price with VAT: €48.07
    €40.40 Price with VAT: €48.07
    SIEMENS 3RG40120AF01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40120AF01

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI220, NICKEL-PLATED BRASS, M12, 15-34V DC, CABLE, 2M, PUR, 200MA, IP67, PNP, SN=2MM, FLUSH, 3-WIRECEIVER, NC
    Buy Surplus As Low As €35.91 Price with VAT: €42.73
    €35.91 Price with VAT: €42.73
    SIEMENS 3RG40120AG08

    SIEMENS

    3RG40120AG08

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI220, NICKEL-PLATED BRASS, M12, 15-34V DC, CABLE, 2M, PUR, 200MA, IP67, PNP, SN=2MM, FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €85.92 Price with VAT: €102.25
    €85.92 Price with VAT: €102.25
    SIEMENS 3RG40123AG35

    SIEMENS

    3RG40123AG35

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI220, STAINLESS STEEL, M12 CONNECTOR, TYPE E, F, 15-34V DC, 200MA, IP67, SHORTY, PNP, SN=2MM, FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €64.38 Price with VAT: €76.61
    €64.38 Price with VAT: €76.61
    SIEMENS 3RG40230AB60

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40230AB60

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI330, STAINLESS STEEL, M18, 10-65V DC, CABLE, 2M, PUR, 300MA, IP67, PNP, SN=8MM, NOT FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €49.37 Price with VAT: €58.76
    €49.37 Price with VAT: €58.76
    SIEMENS 3RG40230AG30

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40230AG30

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI330, MOLDED PLASTIC, M18, 15-34V DC, CABLE, 2M, PUR, 200MA, IP68/69K, PNP, SN=8MM, NOT FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €49.37 Price with VAT: €58.76
    €49.37 Price with VAT: €58.76
    SIEMENS 3RG40230AG31

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40230AG31

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI330, NICKEL-PLATED BRASS, M18, 15-34V DC, CABLE, 2M, PVC, 200MA, IP68/69K, PNP, SN=8MM, NOT FLUSH, 3-WIRECEIVER, NO
    Buy Surplus As Low As €49.37 Price with VAT: €58.76
    €49.37 Price with VAT: €58.76
    SIEMENS 3RG40117AA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG40117AA00

    DISCONTINUED BY MANUFACTURER, INDUCTIVE SENSOR, SIMATIC PXI320, STAINLESS STEEL, M8 CONNECTOR, TYPE A, C, 10-65V DC, 200MA, IP67, PNP, SN=1MM, FLUSH, 3-WIRECEIVER, NC
    Buy Surplus As Low As €44.89 Price with VAT: €53.41
    €44.89 Price with VAT: €53.41
    SIEMENS 3RG70110AA01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70110AA01

    DISCONTINUED BY MANUFACTURER, RETROREFLECTIVE SENSOR,SIMATIC PXO420 K31, 30X30X15, 11...30VDC, 4000MM,PNP,2M PUR
    Buy Surplus As Low As €44.89 Price with VAT: €53.41
    €44.89 Price with VAT: €53.41
    SIEMENS 3RG62433PB000AP5

    SIEMENS

    FURNAS ELECTRIC CO

    3RG62433PB000AP5

    DISCONTINUED BY MANUFACTURER, SONAR SENSOR, SIMATIC PXS120, THRU-BEAM SENSOR, CRASTIN, M12 CONNECTOR, 4-POLE, TYPE F, 24V DC, 100MA, IP65, PNP, SN=50-1500MM, 1 NO
    Buy Surplus As Low As €148.12 Price with VAT: €176.27
    €148.12 Price with VAT: €176.27
    SIEMENS 3RG7010-7AB01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7010-7AB01

    DISCONTINUED BY MANUFACTURER, SIMATIC PXO410 K31, DIFFUSE SENSOR, ENERGETIC, 30X30X15, DC 10-30V, 70CM PNP, LIGHT-ON, 200MA, M8 CONNECTOR, 3-POLE, IP67
    Buy Surplus As Low As €62.84 Price with VAT: €74.78
    €62.84 Price with VAT: €74.78
    SIEMENS 3RG71213GA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG71213GA00

    DISCONTINUED BY MANUFACTURER, RETRO REFLECTIVE SENSOR, SIMATIC PXO120 M12, WITH POLARISATION FILTER, M12-CONNECTOR, 4-POLE, IP67, 10-36V DC, 5M, 200MA, NPN, 1, M12X50
    Buy Surplus As Low As €76.31 Price with VAT: €90.80
    €76.31 Price with VAT: €90.80
    SIEMENS 3RG71213GB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG71213GB00

    DISCONTINUED BY MANUFACTURER, RETRO REFLECTIVE SENSOR, SIMATIC PXO120 M12, WITH POLARISATION FILTER, M12-CONNECTOR, 4-POLE, IP67, 10-36V DC, 5M, 200MA, NPN, 1, M12X50
    Buy Surplus As Low As €76.31 Price with VAT: €90.80
    €76.31 Price with VAT: €90.80
    SIEMENS 3RG71223GA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG71223GA00

    DISCONTINUED BY MANUFACTURER, THRU-BEAM SENSOR, SIMATIC PXO130 M12, RECEIVER, M12-CONNECTOR, 4-POLE, IP67, 10-36V DC, 200MA, NPN, 4M, M12X50
    Buy Surplus As Low As €67.33 Price with VAT: €80.12
    €67.33 Price with VAT: €80.12
    SIEMENS 3RG60233AC00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG60233AC00

    DISCONTINUED BY MANUFACTURER, SONAR SENSOR, SIMATIC PXS210, COMPACT SERIES M30 K1, NICKEL-PLATED BRASS, SWIVEL SENSOR, M12 CONNECTOR, 3-POLE, TYPE F, 24V DC, 300MA, IP65, PNP, SN=200-1300MM, ...
    Buy Surplus As Low As €282.78 Price with VAT: €336.51
    €282.78 Price with VAT: €336.51
    SIEMENS 3RG62323LS000AB7

    SIEMENS

    FURNAS ELECTRIC CO

    3RG62323LS000AB7

    DISCONTINUED BY MANUFACTURER, SONAR SENSOR, SIMATIC PXS310, COMPACT SERIES M18, STAINL. STEEL SHELL, STRAIGHT SENSOR, M12 CONNECTOR, 4-POLE, TYPE F, 24V DC, 150MA, IP67, SN=50-300MM, 4-20MA
    Buy Surplus As Low As €300.74 Price with VAT: €357.88
    €300.74 Price with VAT: €357.88
    SIEMENS 3RG70127BG01

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70127BG01

    DISCONTINUED BY MANUFACTURER, THRU-BEAM SENSOR, SIMATIC PXO430 K31, TRANSMITTER, M8 CONNECTOR, 3-POLE, IP67, 10-30V DC, 30X30X15
    Buy Surplus As Low As €31.42 Price with VAT: €37.39
    €31.42 Price with VAT: €37.39
    SIEMENS 3RG70137AA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70137AA00

    DISCONTINUED BY MANUFACTURER, FIBER OPTICS SENSOR, SIMATIC PXO440 K31, FOR PLASTIC FIBER OPTICS, M8 CONNECTOR, 3-POLE, IP67, 10-36V DC, 200MA, DARK-ON, PNP, 30X30X15
    Buy Surplus As Low As €58.35 Price with VAT: €69.44
    €58.35 Price with VAT: €69.44
    SIEMENS 3RG70140AB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70140AB00

    DISCONTINUED BY MANUFACTURER, DIFFUSE SENSOR, SIMATIC PXO450 K31, BACKGROUND SUPPRESSION, 10-36V DC, CABLE, 2M, PUR, 3X0.14SQMM, 200MA, IP67, LIGHT-ON, PNP, 30-150MM, 30X30X15
    Buy Surplus As Low As €76.31 Price with VAT: €90.80
    €76.31 Price with VAT: €90.80
    SIEMENS 3RG70307GB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70307GB00

    DISCONTINUED BY MANUFACTURER, DIFFUSE SENSOR, SIMATIC PXO110 M5, ENERGETIC, M8 CONNECTOR, 3-POLE, IP67, 10-30V DC, 100MA, LIGHT-ON, NPN, 50MM, M5X35
    Buy Surplus As Low As €71.82 Price with VAT: €85.46
    €71.82 Price with VAT: €85.46
    SIEMENS 3RG70327AB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70327AB00

    DISCONTINUED BY MANUFACTURER, THRU-BEAM SENSOR, SIMATIC PXO130 M5, RECEIVER, M8 CONNECTOR, 3-POLE, IP67, 10-30V DC, 100MA, LIGHT-ON, PNP, 250MM, M5X35
    Buy Surplus As Low As €71.82 Price with VAT: €85.46
    €71.82 Price with VAT: €85.46
    SIEMENS 3RG70327BG00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG70327BG00

    DISCONTINUED BY MANUFACTURER, THRU-BEAM SENSOR, SIMATIC PXO130 M5, TRANSMITTER, M8 CONNECTOR, 3-POLE, IP67, 10-30V DC, 250MM, M5X35
    Buy Surplus As Low As €40.40 Price with VAT: €48.07
    €40.40 Price with VAT: €48.07
    SIEMENS 3RG7640-3CC00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7640-3CC00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, M18S, SN=800 MM, PNP, M12
    Buy Surplus As Low As €53.86 Price with VAT: €64.10
    €53.86 Price with VAT: €64.10
    SIEMENS 3RG7550-7CA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7550-7CA00

    DISCONTINUED BY MANUFACTURER, OPTICAL PROXIMITY SWITCH, COLOR SENS, PNP, DC, M8 PLUG
    Buy Surplus As Low As €181.00 Price with VAT: €215.39
    €181.00 Price with VAT: €215.39
    SIEMENS 3RG7400-7AB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG7400-7AB00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, OPTICAL 10-30DC 100MA PNP
    Buy Surplus As Low As €49.02 Price with VAT: €58.33
    €49.02 Price with VAT: €58.33
    SIEMENS 3RG4022-0GA00

    SIEMENS

    FURNAS ELECTRIC CO

    3RG4022-0GA00

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, INDUCTIVE,SN=4MM,10-30VDC,NPN,NC
    Buy Surplus As Low As €37.70 Price with VAT: €44.87
    €37.70 Price with VAT: €44.87
    Previous Next
    10 11 12 13 14 15 16 17 18 19 20