Registreeru, et avada oma eksklusiivsed B2B hinnad ja alustada ostlemist. Registreeru kohe!

Mersen Kaitsmekaitsmed - Lk 60

Fuse-link NH3 gTr 400VAC 231A 160KVA isolated tags Center indicator
Ainult telli
Mersen
Fuse-link NH3 gTr 400VAC 231A 160KVA isolated tags Center indicator
54,22 €
Hind kehtib kuni 24.12.25
EAN: 3605340535723
MPN: X1030535A
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x49 aR 690VAC IEC 40A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x49 aR 690VAC IEC 40A Striker
41,61 €
Hind kehtib kuni 24.12.25
EAN: 3605340251593
MPN: X221257
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 31 aR 690VAC 450A Striker Slotted Blades short
Ainult telli
Mersen
High-Speed Fuse 31 aR 690VAC 450A Striker Slotted Blades short
137,88 €
Hind kehtib kuni 24.12.25
EAN: 3605340322569
MPN: X300032
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 200A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 200A Striker Flush ends metric threads
128,70 €
Hind kehtib kuni 24.12.25
EAN: 3605340322798
MPN: X300055
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 630A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 630A Striker Flush ends metric threads
204,14 €
Hind kehtib kuni 24.12.25
EAN: 3605340323153
MPN: X300078
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 400A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 400A Striker Slotted Blades long
137,30 €
Hind kehtib kuni 24.12.25
EAN: 3605340323924
MPN: X300147
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 900A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 900A Striker DIN 110 Blades
275,17 €
Hind kehtib kuni 24.12.25
EAN: 3605340324648
MPN: X300193
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 1000A Striker Flush ends UNC threads
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 1000A Striker Flush ends UNC threads
218,61 €
Hind kehtib kuni 24.12.25
EAN: 3605340328974
MPN: X300469
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH4a aM 500VAC 1250A live tags Top indicator
Ainult telli
Mersen
Fuse-link NH4a aM 500VAC 1250A live tags Top indicator
173,40 €
Hind kehtib kuni 24.12.25
EAN: 8430399027920
MPN: W233561
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 350A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 350A Striker Slotted Blades long
136,77 €
Hind kehtib kuni 24.12.25
EAN: 3605340323917
MPN: W300146
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 450A Striker Open Slot Blades
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 450A Striker Open Slot Blades
141,84 €
Hind kehtib kuni 24.12.25
EAN: 3605340324167
MPN: W300169
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 500A Striker Slotted Blades short
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 500A Striker Slotted Blades short
151,83 €
Hind kehtib kuni 24.12.25
EAN: 3605340325492
MPN: W300238
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 900A Striker Flush ends UNC threads
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 900A Striker Flush ends UNC threads
202,37 €
Hind kehtib kuni 24.12.25
EAN: 3605340328950
MPN: W300468
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 20x190 gR (gRC) 1500VDC 8A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 20x190 gR (gRC) 1500VDC 8A Striker
90,92 €
Hind kehtib kuni 24.12.25
EAN: 3605340058185
MPN: V083738
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link IEC gM C1 690VAC 460VDC 400A BTM Central Bolted Tag
Ainult telli
Mersen
BS fuse-link IEC gM C1 690VAC 460VDC 400A BTM Central Bolted Tag
139,71 €
Hind kehtib kuni 24.12.25
EAN: 3605340485196
MPN: W1006637
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x49 aR 690VAC IEC 35A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x49 aR 690VAC IEC 35A Striker
40,37 €
Hind kehtib kuni 24.12.25
EAN: 3605340251586
MPN: W221256
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link IEC gG B2 415VAC 240VDC 200A BTF Central Bolted Tag
Ainult telli
Mersen
BS fuse-link IEC gG B2 415VAC 240VDC 200A BTF Central Bolted Tag
43,88 €
Hind kehtib kuni 24.12.25
EAN: 3605340267938
MPN: W226316
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 73 gR 550VDC IEC 600VDC UL 630A Striker Flush ends metr. threads
Ainult telli
Mersen
Fuse 73 gR 550VDC IEC 600VDC UL 630A Striker Flush ends metr. threads
270,05 €
Hind kehtib kuni 24.12.25
EAN: 3605340350579
MPN: V302100
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 550VAC 2000A Striker Flush ends UNC threads
Ainult telli
Mersen
High-Speed Fuse 33 aR 550VAC 2000A Striker Flush ends UNC threads
372,16 €
Hind kehtib kuni 24.12.25
EAN: 3605340336689
MPN: V301088
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 72 gR 690VAC 400A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 72 gR 690VAC 400A Striker DIN 110 Blades
160,93 €
Hind kehtib kuni 24.12.25
EAN: 3605340351729
MPN: V302215
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 450A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 450A Striker DIN 110 Blades
143,31 €
Hind kehtib kuni 24.12.25
EAN: 3605340351262
MPN: V302169
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse NH 00 aR 690VAC 16A Striker DIN 80 Blades
Ainult telli
Mersen
High-Speed Fuse NH 00 aR 690VAC 16A Striker DIN 80 Blades
45,34 €
Hind kehtib kuni 24.12.25
EAN: 3605340364156
MPN: V330275
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 450A Blade
Ainult telli
Mersen
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 450A Blade
332,39 €
Hind kehtib kuni 24.12.25
EAN: 0782001749286
MPN: TRS450R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH3 gTr 400VAC 722A 500KVA live tags Top indicator
Ainult telli
Mersen
Fuse-link NH3 gTr 400VAC 722A 500KVA live tags Top indicator
85,33 €
Hind kehtib kuni 24.12.25
EAN: 3605340534542
MPN: V1028716A
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH0 aM 690VAC 50A live tags Striker
Ainult telli
Mersen
Fuse-link NH0 aM 690VAC 50A live tags Striker
30,02 €
Hind kehtib kuni 24.12.25
EAN: 8430399012674
MPN: V214148
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH3 gTr 400VAC 144A 100KVA isolated tags Center indicator
Ainult telli
Mersen
Fuse-link NH3 gTr 400VAC 144A 100KVA isolated tags Center indicator
54,22 €
Hind kehtib kuni 24.12.25
EAN: 3605340535709
MPN: V1030533A
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH4 aM 500VAC 1250A live tags Top indicator
Ainult telli
Mersen
Fuse-link NH4 aM 500VAC 1250A live tags Top indicator
150,55 €
Hind kehtib kuni 24.12.25
EAN: 4086500032198
MPN: V219668
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x49 aR 690VAC IEC 100A
Ainult telli
Mersen
BS fuse-link Protistor® 17x49 aR 690VAC IEC 100A
16,90 €
Hind kehtib kuni 24.12.25
EAN: 3605340251579
MPN: V221255
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH4 aM 500VAC 800A live tags Top indicator
Ainult telli
Mersen
Fuse-link NH4 aM 500VAC 800A live tags Top indicator
128,62 €
Hind kehtib kuni 24.12.25
EAN: 4086500032402
MPN: V222865
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH4a aM 500VAC 1000A live tags Top indicator
Ainult telli
Mersen
Fuse-link NH4a aM 500VAC 1000A live tags Top indicator
157,68 €
Hind kehtib kuni 24.12.25
EAN: 8430399027913
MPN: V233560
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 125A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 125A Striker Flush ends metric threads
78,31 €
Hind kehtib kuni 24.12.25
EAN: 3605340322774
MPN: V300053
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 31 aR 690VAC 550A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 31 aR 690VAC 550A Striker Flush ends metric threads
188,73 €
Hind kehtib kuni 24.12.25
EAN: 3605340322316
MPN: V300007
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 2x32 aR 690VAC 1250A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 2x32 aR 690VAC 1250A Striker Flush ends metric threads
455,65 €
Hind kehtib kuni 24.12.25
EAN: 3605340325041
MPN: V300214
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 1400A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 1400A Striker Slotted Blades long
288,38 €
Hind kehtib kuni 24.12.25
EAN: 3605340325478
MPN: V300237
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 300A Blade
Ainult telli
Mersen
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 300A Blade
230,48 €
Hind kehtib kuni 24.12.25
EAN: 0782001749231
MPN: TRS300R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse TRS-RDC - Class RK5 - Time-Delay 600VDC 300A Blade
Ainult telli
Mersen
Fuse TRS-RDC - Class RK5 - Time-Delay 600VDC 300A Blade
238,81 €
Hind kehtib kuni 24.12.25
EAN: 0782001748944
MPN: TRS300RDC
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 15A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 15A Ferrule
11,25 €
Hind kehtib kuni 24.12.25
EAN: 0782001915575
MPN: A6K15R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 30A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 30A Ferrule
11,25 €
Hind kehtib kuni 24.12.25
EAN: 0782001915605
MPN: A6K30R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 25A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 25A Ferrule
31,31 €
Hind kehtib kuni 24.12.25
EAN: 0782001915599
MPN: A6K25R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 40A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 40A Ferrule
13,34 €
Hind kehtib kuni 24.12.25
EAN: 0782001915643
MPN: A6K40R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 3A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 3A Ferrule
42,58 €
Hind kehtib kuni 24.12.25
EAN: 0782001915513
MPN: A6K3R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQ - Midget - Time-Delay 500VAC 0.25A Ferrule
Ainult telli
Mersen
Fuse ATQ - Midget - Time-Delay 500VAC 0.25A Ferrule
15,17 €
Hind kehtib kuni 24.12.25
Vahesumma: 151,70 € MOQ: 10
EAN: 0782001902742
MPN: ATQ1/4
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATDR - Class CC - Time-Delay 600VAC 300VDC 15A Ferrule
Ainult telli
Mersen
Fuse ATDR - Class CC - Time-Delay 600VAC 300VDC 15A Ferrule
15,14 €
Hind kehtib kuni 24.12.25
EAN: 0782001901103
MPN: ATDR15
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 5A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 5A Ferrule
11,25 €
Hind kehtib kuni 24.12.25
EAN: 0782001915537
MPN: A6K5R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 50A Ferrule
Ainult telli
Mersen
Fuse A6K-R - Class RK1 - Fast-Acting 600VAC 300VDC 50A Ferrule
13,34 €
Hind kehtib kuni 24.12.25
EAN: 0782001915667
MPN: A6K50R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQ - Midget - Time-Delay 500VAC 3.2A Ferrule
Ainult telli
Mersen
Fuse ATQ - Midget - Time-Delay 500VAC 3.2A Ferrule
15,17 €
Hind kehtib kuni 24.12.25
Vahesumma: 151,70 € MOQ: 10
EAN: 0782001906078
MPN: ATQ3-2/10
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQ - Midget - Time-Delay 500VAC 0.8A Ferrule
Ainult telli
Mersen
Fuse ATQ - Midget - Time-Delay 500VAC 0.8A Ferrule
15,17 €
Hind kehtib kuni 24.12.25
Vahesumma: 151,70 € MOQ: 10
EAN: 0782001902681
MPN: ATQ8/10
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQ - Midget - Time-Delay 500VAC 5A Ferrule
Ainult telli
Mersen
Fuse ATQ - Midget - Time-Delay 500VAC 5A Ferrule
15,17 €
Hind kehtib kuni 24.12.25
Vahesumma: 151,70 € MOQ: 10
EAN: 0782001904265
MPN: ATQ5
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQ - Midget - Time-Delay 500VAC 0.6A Ferrule
Ainult telli
Mersen
Fuse ATQ - Midget - Time-Delay 500VAC 0.6A Ferrule
15,17 €
Hind kehtib kuni 24.12.25
Vahesumma: 151,70 € MOQ: 10
EAN: 0782001902674
MPN: ATQ6/10
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 2.5A Ferrule
Ainult telli
Mersen
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 2.5A Ferrule
21,64 €
Hind kehtib kuni 24.12.25
Vahesumma: 216,40 € MOQ: 10
EAN: 0782001906511
MPN: ATQR2-1/2
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 3A Ferrule
Ainult telli
Mersen
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 3A Ferrule
21,11 €
Hind kehtib kuni 24.12.25
EAN: 0782001906535
MPN: ATQR3
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 7.5A Ferrule
Ainult telli
Mersen
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 7.5A Ferrule
21,64 €
Hind kehtib kuni 24.12.25
Vahesumma: 216,40 € MOQ: 10
EAN: 0782001906634
MPN: ATQR7-1/2
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 5A Ferrule
Ainult telli
Mersen
Fuse ATQR - Class CC - Time-Delay 600VAC 300VDC 5A Ferrule
21,11 €
Hind kehtib kuni 24.12.25
EAN: 0782001906580
MPN: ATQR5
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 72 aR 1250VAC 400A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 72 aR 1250VAC 400A Striker Flush ends metric threads
197,36 €
Hind kehtib kuni 24.12.25
EAN: 3605340329292
MPN: B300496
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 73 aR 1250VAC 350A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 73 aR 1250VAC 350A Striker DIN 110 Blades
269,81 €
Hind kehtib kuni 24.12.25
EAN: 3605340330342
MPN: B300565
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 2x72 aR 1250VAC 1100A Striker Flush ends metric threads
Ainult telli
Mersen
Fuse 2x72 aR 1250VAC 1100A Striker Flush ends metric threads
389,66 €
Hind kehtib kuni 24.12.25
EAN: 3605340332711
MPN: B300726
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 20x127 gR (gRD) 1500VDC 12A
Ainult telli
Mersen
High-Speed Cylindrical Fuse 20x127 gR (gRD) 1500VDC 12A
62,82 €
Hind kehtib kuni 24.12.25
EAN: 3605340040562
MPN: B080593
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 73 aR 1250VAC 400A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 73 aR 1250VAC 400A Striker DIN 110 Blades
269,81 €
Hind kehtib kuni 24.12.25
EAN: 3605340330366
MPN: C300566
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 600 gR 3500VDC IEC 16A Striker Plain Blades
Ainult telli
Mersen
High-Speed Fuse 600 gR 3500VDC IEC 16A Striker Plain Blades
310,53 €
Hind kehtib kuni 24.12.25
EAN: 3605340076936
MPN: D086989
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 71 aR 1250VAC 350A Striker Open Slot Blades
Ainult telli
Mersen
High-Speed Fuse 71 aR 1250VAC 350A Striker Open Slot Blades
150,97 €
Hind kehtib kuni 24.12.25
EAN: 3605340330977
MPN: C300612
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks