Register to unlock your exclusive B2B prices and start shopping. Sign up now!
  • Home
    • /
  • Luminaires - Page 1835

Luminaires - Page 1835

ABB AS Schwabe BTicino Brennenstuhl Busch-Jaeger Civilight DeWalt Dehn EATON ELTAKO ETI Ensto F-TRONIC FARO FINDER Fluke Forlight GEWISS GTV Lighting Hager Haupa Ideal Lux Jung Kanlux Knipex LAPP LED2WORK LEDS-C4 LEDVANCE LUCIDE Legrand Lena Lighting MAYTONI Morek NORDLUX Nowodvorski OBO Bettermann OSRAM PHILIPS Peha by Honeywell Phoenix Contact Radium Rittal SCHRACK SLV STAR TRADING STEINEL Scame Schneider Electric Shada Siemens Spelsberg THORGEON TWINKLY Theben Tridonic Trio UNIPRO WAGO Weidmüller intelight
RONDOS maxi, 35 W, 4300 lm, 930, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4300 lm, 930, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861454
MPN: 911643.002
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4550 lm, 940, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4550 lm, 940, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861461
MPN: 911643.002.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4100 lm, 927, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4100 lm, 927, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861485
MPN: 911643.002.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4350 lm, 935, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4350 lm, 935, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861515
MPN: 911643.002.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4350 lm, 935, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4350 lm, 935, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861508
MPN: 911643.002.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4300 lm, 930, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4300 lm, 930, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861522
MPN: 911643.002.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4550 lm, 940, black, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4550 lm, 940, black, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861553
MPN: 911643.003.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4350 lm, 935, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4350 lm, 935, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861584
MPN: 911643.003.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4550 lm, 940, silver, DALI Recessed projectors, D 1
Order Only
RZB
RONDOS maxi, 35 W, 4550 lm, 940, silver, DALI Recessed projectors, D 1
284,23 €
This price is valid until 24.12.25
EAN: 4051859861638
MPN: 911643.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4550 lm, 940, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4550 lm, 940, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861713
MPN: 911644.002.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4550 lm, 940, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4550 lm, 940, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861706
MPN: 911644.002.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4100 lm, 927, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4100 lm, 927, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861737
MPN: 911644.002.2.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4400 lm, 935, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 35 W, 4400 lm, 935, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859861751
MPN: 911644.002.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4350 lm, 930, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4350 lm, 930, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861775
MPN: 911644.003
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 35 W, 4100 lm, 927, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 35 W, 4100 lm, 927, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859861805
MPN: 911644.003.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2900 lm, 935, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 2900 lm, 935, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860624
MPN: 911639.003.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 3000 lm, 940, silver, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 3000 lm, 940, silver, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860662
MPN: 911639.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 3000 lm, 940, silver, DALI Recessed projectors, D 1
Order Only
RZB
RONDOS maxi, 25 W, 3000 lm, 940, silver, DALI Recessed projectors, D 1
284,23 €
This price is valid until 24.12.25
EAN: 4051859860679
MPN: 911639.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2900 lm, 935, silver, DALI Recessed projectors, D 1
Order Only
RZB
RONDOS maxi, 25 W, 2900 lm, 935, silver, DALI Recessed projectors, D 1
284,23 €
This price is valid until 24.12.25
EAN: 4051859860716
MPN: 911639.004.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2900 lm, 935, silver, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 2900 lm, 935, silver, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860709
MPN: 911639.004.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2850 lm, 930, silver, DALI Recessed projectors, D 1
Order Only
RZB
RONDOS maxi, 25 W, 2850 lm, 930, silver, DALI Recessed projectors, D 1
284,23 €
This price is valid until 24.12.25
EAN: 4051859860723
MPN: 911639.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2550 lm, 927, white, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 2550 lm, 927, white, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860761
MPN: 911640.002.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2800 lm, 935, white, DALI Recessed projectors, D 17
Order Only
RZB
RONDOS maxi, 25 W, 2800 lm, 935, white, DALI Recessed projectors, D 17
284,23 €
This price is valid until 24.12.25
EAN: 4051859860792
MPN: 911640.002.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2550 lm, 927, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 2550 lm, 927, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860846
MPN: 911640.003.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
RONDOS maxi, 25 W, 2800 lm, 935, black, on/off Recessed projectors, D
Order Only
RZB
RONDOS maxi, 25 W, 2800 lm, 935, black, on/off Recessed projectors, D
220,70 €
This price is valid until 24.12.25
EAN: 4051859860860
MPN: 911640.003.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2500 lm, 930, black, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2500 lm, 930, black, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838289
MPN: 931200.003.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2400 lm, 927, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2400 lm, 927, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838333
MPN: 931200.004.2.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2700 lm, 940, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2700 lm, 940, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838319
MPN: 931200.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2600 lm, 940, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2600 lm, 940, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838388
MPN: 931201.002.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2600 lm, 935, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2600 lm, 935, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838357
MPN: 931200.004.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2450 lm, 930, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2450 lm, 930, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838371
MPN: 931201.002
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2300 lm, 927, white, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2300 lm, 927, white, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838418
MPN: 931201.002.2.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2450 lm, 930, black, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2450 lm, 930, black, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838524
MPN: 931201.003.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2500 lm, 935, black, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2500 lm, 935, black, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838517
MPN: 931201.003.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2600 lm, 940, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2600 lm, 940, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838555
MPN: 931201.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2450 lm, 930, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2450 lm, 930, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838609
MPN: 931201.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2500 lm, 935, silver, DALI Surface mounted downlig
Order Only
RZB
HELEDON mini, 20 W, 2500 lm, 935, silver, DALI Surface mounted downlig
296,88 €
This price is valid until 24.12.25
EAN: 4051859838593
MPN: 931201.004.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2550 lm, 930, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2550 lm, 930, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838616
MPN: 931202.002
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2750 lm, 940, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2750 lm, 940, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838623
MPN: 931202.002.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2400 lm, 927, white, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2400 lm, 927, white, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838654
MPN: 931202.002.2.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2400 lm, 927, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2400 lm, 927, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838647
MPN: 931202.002.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2650 lm, 935, white, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2650 lm, 935, white, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838661
MPN: 931202.002.3
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2550 lm, 930, black, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2550 lm, 930, black, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838692
MPN: 931202.003
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2750 lm, 940, black, on/off Surface mounted downli
Order Only
RZB
HELEDON mini, 20 W, 2750 lm, 940, black, on/off Surface mounted downli
233,47 €
This price is valid until 24.12.25
EAN: 4051859838708
MPN: 931202.003.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2650 lm, 935, black, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2650 lm, 935, black, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838753
MPN: 931202.003.3.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2400 lm, 927, black, DALI Surface mounted downligh
Order Only
RZB
HELEDON mini, 20 W, 2400 lm, 927, black, DALI Surface mounted downligh
296,88 €
This price is valid until 24.12.25
EAN: 4051859838739
MPN: 931202.003.2.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HELEDON mini, 20 W, 2750 lm, 940, silver, on/off Surface mounted downl
Order Only
RZB
HELEDON mini, 20 W, 2750 lm, 940, silver, on/off Surface mounted downl
233,47 €
This price is valid until 24.12.25
EAN: 4051859838784
MPN: 931202.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE, 335 W, 53000 lm, 840, white, DALI Highbay luminaires, L 95
Order Only
RZB
LIGHT CASE, 335 W, 53000 lm, 840, white, DALI Highbay luminaires, L 95
1 673,77 €
This price is valid until 24.12.25
EAN: 4051859699972
MPN: 921689.002.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE, 335 W, 53000 lm, 840, white, DALI Highbay luminaires, L 95
Order Only
RZB
LIGHT CASE, 335 W, 53000 lm, 840, white, DALI Highbay luminaires, L 95
1 673,77 €
This price is valid until 24.12.25
EAN: 4051859700012
MPN: 921690.002.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE, 335 W, 53000 lm, 840, silver, DALI Highbay luminaires, L 9
Order Only
RZB
LIGHT CASE, 335 W, 53000 lm, 840, silver, DALI Highbay luminaires, L 9
1 673,77 €
This price is valid until 24.12.25
EAN: 4051859700029
MPN: 921690.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE, 335 W, 52200 lm, 865, white, DALI Highbay luminaires, L 95
Order Only
RZB
LIGHT CASE, 335 W, 52200 lm, 865, white, DALI Highbay luminaires, L 95
1 673,77 €
This price is valid until 24.12.25
EAN: 4051859700074
MPN: 921691.002.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE SENSOR, 225 W, 35600 lm, 840, white, DALI Highbay luminaire
Order Only
RZB
LIGHT CASE SENSOR, 225 W, 35600 lm, 840, white, DALI Highbay luminaire
1 416,12 €
This price is valid until 24.12.25
EAN: 4051859700135
MPN: 921693.002.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LIGHT CASE ESG, 225 W, 35600 lm, 840, silver, DALI Highbay luminaires,
Order Only
RZB
LIGHT CASE ESG, 225 W, 35600 lm, 840, silver, DALI Highbay luminaires,
1 266,27 €
This price is valid until 24.12.25
EAN: 4051859700166
MPN: 921694.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Aluminium profile L 3000 B 18 H 9 colour: aluminium
Order Only
RZB
Aluminium profile L 3000 B 18 H 9 colour: aluminium
25,33 €
This price is valid until 24.12.25
EAN: 4051859348054
MPN: 925374.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Glasdownlight, 21 W, 2600 lm, 840, white, on/off Ceiling luminaires, D
Order Only
RZB
Glasdownlight, 21 W, 2600 lm, 840, white, on/off Ceiling luminaires, D
343,90 €
This price is valid until 24.12.25
EAN: 4051859081814
MPN: 931178.002.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GLASDOWNLIGHT, 24 W, 3000 lm, 840, white, DALI Pendant luminaires, D 1
Order Only
RZB
GLASDOWNLIGHT, 24 W, 3000 lm, 840, white, DALI Pendant luminaires, D 1
502,63 €
This price is valid until 24.12.25
EAN: 4051859656098
MPN: 931183.002.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
ANDHO midi, 15 W, 1800 lm, 827, white, on/off Surface mounted downligh
Order Only
RZB
ANDHO midi, 15 W, 1800 lm, 827, white, on/off Surface mounted downligh
386,79 €
This price is valid until 24.12.25
EAN: 4051859677826
MPN: 931196.002.2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
ANDHO midi, 15 W, 2000 lm, 830, white, DALI Surface mounted downlights
Order Only
RZB
ANDHO midi, 15 W, 2000 lm, 830, white, DALI Surface mounted downlights
451,46 €
This price is valid until 24.12.25
EAN: 4051859494850
MPN: 931196.002.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
ANDHO midi, 15 W, 2000 lm, 830, anthracite, on/off Surface mounted dow
Order Only
RZB
ANDHO midi, 15 W, 2000 lm, 830, anthracite, on/off Surface mounted dow
386,79 €
This price is valid until 24.12.25
EAN: 4051859492481
MPN: 931196.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
ANDHO midi, 15 W, 2100 lm, 840, silver, DALI Surface mounted downlight
Order Only
RZB
ANDHO midi, 15 W, 2100 lm, 840, silver, DALI Surface mounted downlight
451,46 €
This price is valid until 24.12.25
EAN: 4051859494904
MPN: 931196.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks