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

Mersen - Lk 30

BS fuse-link Protistor® 17x49 gR 690VAC IEC 40A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x49 gR 690VAC IEC 40A Striker
41,58 €
Hind kehtib kuni 24.12.26
EAN: 3605340249132
MPN: K220993
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link IEC gG C2 415VAC 240VDC 500A BTTM Central Bolted Tag
Ainult telli
Mersen
BS fuse-link IEC gG C2 415VAC 240VDC 500A BTTM Central Bolted Tag
116,24 €
Hind kehtib kuni 24.12.26
EAN: 3605340268065
MPN: K226329
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 500A Striker Flush ends metric threads
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 500A Striker Flush ends metric threads
159,71 €
Hind kehtib kuni 24.12.26
EAN: 3605340322941
MPN: K300067
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 700A Striker DIN 80 Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 700A Striker DIN 80 Blades
230,15 €
Hind kehtib kuni 24.12.26
EAN: 3605340325751
MPN: K300251
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 27x60 gR (gRB) 660VDC 1A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 27x60 gR (gRB) 660VDC 1A Striker
49,37 €
Hind kehtib kuni 24.12.26
EAN: 3605340155150
MPN: J098586
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x27 aR 250V AC UL 50A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x27 aR 250V AC UL 50A Striker
39,39 €
Hind kehtib kuni 24.12.26
EAN: 3605340146936
MPN: J097551
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link IEC gG B4 690VAC 460VDC 250A BTMF Central Bolted Tag
Ainult telli
Mersen
BS fuse-link IEC gG B4 690VAC 460VDC 250A BTMF Central Bolted Tag
140,35 €
Hind kehtib kuni 24.12.26
EAN: 3605340485110
MPN: J1006626
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH3 gTr 400VAC 72A 50KVA live tags Center indicator
Ainult telli
Mersen
Fuse-link NH3 gTr 400VAC 72A 50KVA live tags Center indicator
45,90 €
Hind kehtib kuni 24.12.26
EAN: 3605340535266
MPN: J1030500A
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High Speed Fuse Amp-Trap® A60X 600VAC 35A Bolted Blade
Ainult telli
Mersen
High Speed Fuse Amp-Trap® A60X 600VAC 35A Bolted Blade
70,19 €
Hind kehtib kuni 24.12.26
EAN: 0782001943608
MPN: A60X35-4
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 32 aR 690VAC 400A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 32 aR 690VAC 400A Striker Slotted Blades long
128,96 €
Hind kehtib kuni 24.12.26
EAN: 3605340324860
MPN: J300204
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High Speed Fuse Amp-Trap® A60X 600VAC 400A Bolted Blade TA Indicator
Ainult telli
Mersen
High Speed Fuse Amp-Trap® A60X 600VAC 400A Bolted Blade TA Indicator
209,25 €
Hind kehtib kuni 24.12.26
EAN: 0782001945565
MPN: A60X400-4TA
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 600VAC 1500A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 600VAC 1500A Striker DIN 110 Blades
296,63 €
Hind kehtib kuni 24.12.26
EAN: 3605340349283
MPN: H301974
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 72 gR 600VDC IEC 650VDC UL 250A Striker Flush ends metr. threads
Ainult telli
Mersen
Fuse 72 gR 600VDC IEC 650VDC UL 250A Striker Flush ends metr. threads
235,84 €
Hind kehtib kuni 24.12.26
EAN: 3605340350456
MPN: H302089
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse NH 00 aR 690VAC 350A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse NH 00 aR 690VAC 350A Striker DIN 110 Blades
52,38 €
Hind kehtib kuni 24.12.26
EAN: 3605340364040
MPN: H330264
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 100A Blade
Ainult telli
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 100A Blade
75,51 €
Hind kehtib kuni 24.12.26
EAN: 0782001329594
MPN: HSJ100
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 25A Ferrule
Ainult telli
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 25A Ferrule
16,02 €
Hind kehtib kuni 24.12.26
EAN: 0782001329488
MPN: HSJ25
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 3A Ferrule
Ainult telli
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 3A Ferrule
21,44 €
Hind kehtib kuni 24.12.26
EAN: 0782001372477
MPN: HSJ3
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 450A Blade
Ainult telli
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 450A Blade
398,24 €
Hind kehtib kuni 24.12.26
EAN: 0782001329730
MPN: HSJ450
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 14x51 gLB 440VDC 25A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 14x51 gLB 440VDC 25A Striker
15,83 €
Hind kehtib kuni 24.12.26
EAN: 3605340011159
MPN: J075724
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 2x72 aR 1200VDC IEC 840A Striker
Ainult telli
Mersen
High-Speed Fuse 2x72 aR 1200VDC IEC 840A Striker
1 030,03 €
Hind kehtib kuni 24.12.26
EAN: 3605340034158
MPN: H079449
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 1.8A Ferrule
Ainult telli
Mersen
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 1.8A Ferrule
46,29 €
Hind kehtib kuni 24.12.26
EAN: 0782001991630
MPN: A6D1-8/10R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 27x60 gLB 440VDC 125A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 27x60 gLB 440VDC 125A Striker
100,72 €
Hind kehtib kuni 24.12.26
EAN: 3605340154931
MPN: H098562
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 0.15A Ferrule
Ainult telli
Mersen
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 0.15A Ferrule
47,21 €
Hind kehtib kuni 24.12.26
EAN: 0782001991500
MPN: A6D15/100R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 27x60 gR (gRB) 660VDC 0.8A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 27x60 gR (gRB) 660VDC 0.8A Striker
46,75 €
Hind kehtib kuni 24.12.26
EAN: 3605340155136
MPN: H098585
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link IEC gM B2 690VAC 460VDC 125M200A BTF Central Bolted Tag
Ainult telli
Mersen
BS fuse-link IEC gM B2 690VAC 460VDC 125M200A BTF Central Bolted Tag
66,95 €
Hind kehtib kuni 24.12.26
EAN: 3605340485103
MPN: H1006625
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x49 gR 690VAC IEC 32A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x49 gR 690VAC IEC 32A Striker
40,90 €
Hind kehtib kuni 24.12.26
EAN: 3605340249095
MPN: H220991
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 63A Striker Open Slot Blades
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 63A Striker Open Slot Blades
80,61 €
Hind kehtib kuni 24.12.26
EAN: 3605340323337
MPN: H300088
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 3.2A Ferrule
Ainult telli
Mersen
Fuse A6D-R - Class RK1 - Time-Delay 600VAC 600VDC 3.2A Ferrule
41,07 €
Hind kehtib kuni 24.12.26
EAN: 0782001991692
MPN: A6D3-2/10R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 550A Striker DIN 80 Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 550A Striker DIN 80 Blades
217,37 €
Hind kehtib kuni 24.12.26
EAN: 3605340325713
MPN: H300249
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 31 aR 690VAC 800A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 31 aR 690VAC 800A Striker Slotted Blades long
197,72 €
Hind kehtib kuni 24.12.26
EAN: 3605340332490
MPN: F300707
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Cylindrical Fuse 20x127 gR (gRC) 1000VDC 50A Striker
Ainult telli
Mersen
High-Speed Cylindrical Fuse 20x127 gR (gRC) 1000VDC 50A Striker
68,76 €
Hind kehtib kuni 24.12.26
EAN: 3605340073812
MPN: F086186
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 31 aR 690VAC 700A Striker Slotted Blades long
Ainult telli
Mersen
High-Speed Fuse 31 aR 690VAC 700A Striker Slotted Blades long
182,59 €
Hind kehtib kuni 24.12.26
EAN: 3605340332483
MPN: E300706
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2D-R Class RK1 Time-Delay 250VAC 250VDC 500A Blade SmartSpot®
Ainult telli
Mersen
Fuse A2D-R Class RK1 Time-Delay 250VAC 250VDC 500A Blade SmartSpot®
374,74 €
Hind kehtib kuni 24.12.26
EAN: 0782001991197
MPN: A2D500R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2D-R - Class RK1 - Time-Delay 250VAC 250VDC 6.25A Ferrule
Ainult telli
Mersen
Fuse A2D-R - Class RK1 - Time-Delay 250VAC 250VDC 6.25A Ferrule
18,89 €
Hind kehtib kuni 24.12.26
EAN: 0782001990763
MPN: A2D6-1/4R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2D-R Class RK1 Time-Delay 250VAC 250VDC 600A Blade SmartSpot®
Ainult telli
Mersen
Fuse A2D-R Class RK1 Time-Delay 250VAC 250VDC 600A Blade SmartSpot®
363,64 €
Hind kehtib kuni 24.12.26
EAN: 0782001991203
MPN: A2D600R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2D-R - Class RK1 - Time-Delay 250VAC 250VDC 75A Blade SmartSpot®
Ainult telli
Mersen
Fuse A2D-R - Class RK1 - Time-Delay 250VAC 250VDC 75A Blade SmartSpot®
61,08 €
Hind kehtib kuni 24.12.26
EAN: 0782001990978
MPN: A2D75R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 10A Ferrule
Ainult telli
Mersen
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 10A Ferrule
33,96 €
Hind kehtib kuni 24.12.26
EAN: 0782001915049
MPN: A2K10R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 125A Blade
Ainult telli
Mersen
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 125A Blade
302,55 €
Hind kehtib kuni 24.12.26
EAN: 0782001915261
MPN: A2K125R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 90A Blade
Ainult telli
Mersen
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 90A Blade
59,71 €
Hind kehtib kuni 24.12.26
EAN: 0782001749101
MPN: TRS90R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 225A Blade
Ainult telli
Mersen
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 225A Blade
602,32 €
Hind kehtib kuni 24.12.26
EAN: 0782001915322
MPN: A2K225R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 500A Blade
Ainult telli
Mersen
Fuse A2K-R - Class RK1 - Fast-Acting 250VAC 250VDC 500A Blade
818,31 €
Hind kehtib kuni 24.12.26
EAN: 0782001915407
MPN: A2K500R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 5A Ferrule
Ainult telli
Mersen
Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 5A Ferrule
19,54 €
Hind kehtib kuni 24.12.26
EAN: 0782001748739
MPN: TRS5R
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 550A Striker Open Slot Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 550A Striker Open Slot Blades
195,35 €
Hind kehtib kuni 24.12.26
EAN: 3605340325119
MPN: A300219
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 33 aR 690VAC 1100A Striker DIN 110 Blades
Ainult telli
Mersen
High-Speed Fuse 33 aR 690VAC 1100A Striker DIN 110 Blades
322,31 €
Hind kehtib kuni 24.12.26
EAN: 3605340326031
MPN: A300265
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 72 aR 1250VAC 630A Striker Flush ends UNC threads
Ainult telli
Mersen
High-Speed Fuse 72 aR 1250VAC 630A Striker Flush ends UNC threads
180,32 €
Hind kehtib kuni 24.12.26
EAN: 3605340335859
MPN: W301043
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 300 aR 2400VDC IEC 20A Striker L Brackets
Ainult telli
Mersen
High-Speed Fuse 300 aR 2400VDC IEC 20A Striker L Brackets
303,91 €
Hind kehtib kuni 24.12.26
EAN: 3605340008302
MPN: X075299
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 73 aR 1250VAC 400A Striker Open Slot Blades
Ainult telli
Mersen
High-Speed Fuse 73 aR 1250VAC 400A Striker Open Slot Blades
198,84 €
Hind kehtib kuni 24.12.26
EAN: 3605340331271
MPN: X300630
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 73 aR 1100VAC 800A Striker Plain Blades
Ainult telli
Mersen
High-Speed Fuse 73 aR 1100VAC 800A Striker Plain Blades
298,56 €
Hind kehtib kuni 24.12.26
EAN: 3605340349191
MPN: Z301966
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 72 gR 450VDC IEC 500VDC UL 630A Striker Flush ends metr. threads
Ainult telli
Mersen
Fuse 72 gR 450VDC IEC 500VDC UL 630A Striker Flush ends metr. threads
261,49 €
Hind kehtib kuni 24.12.26
EAN: 3605340351538
MPN: Z302196
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
BS fuse-link Protistor® 17x27 aR 250V AC UL 100A Striker
Ainult telli
Mersen
BS fuse-link Protistor® 17x27 aR 250V AC UL 100A Striker
41,27 €
Hind kehtib kuni 24.12.26
EAN: 3605340147001
MPN: P097556
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse-link NH1 gG 690VAC 125A live tags Striker
Ainult telli
Mersen
Fuse-link NH1 gG 690VAC 125A live tags Striker
28,16 €
Hind kehtib kuni 24.12.26
EAN: 8430399012346
MPN: P219801
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 20A Ferrule
Ainult telli
Mersen
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 20A Ferrule
14,74 €
Hind kehtib kuni 24.12.26
EAN: 0782001700720
MPN: OTS20
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 10A Ferrule
Ainult telli
Mersen
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 10A Ferrule
16,93 €
Hind kehtib kuni 24.12.26
EAN: 0782001700690
MPN: OTS10
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 110A Blade
Ainult telli
Mersen
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 110A Blade
123,35 €
Hind kehtib kuni 24.12.26
EAN: 0782001700898
MPN: OTS110
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 12A Ferrule
Ainult telli
Mersen
Fuse OTS - Class K5 - Fast-Acting 600VAC 300VDC 12A Ferrule
16,93 €
Hind kehtib kuni 24.12.26
EAN: 0782001700706
MPN: OTS12
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
High-Speed Fuse 30 aR 690VAC 160A Striker Flush ends UNC threads
Ainult telli
Mersen
High-Speed Fuse 30 aR 690VAC 160A Striker Flush ends UNC threads
81,18 €
Hind kehtib kuni 24.12.26
EAN: 3605340330564
MPN: N300576
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 121 gR 750VDC IEC 200A Striker Flush ends metric threads
Ainult telli
Mersen
Fuse 121 gR 750VDC IEC 200A Striker Flush ends metric threads
336,60 €
Hind kehtib kuni 24.12.26
EAN: 3605340067729
MPN: N085250
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse 72 gR 600VDC IEC 650VDC UL 250A Striker Open Slot Blades
Ainult telli
Mersen
Fuse 72 gR 600VDC IEC 650VDC UL 250A Striker Open Slot Blades
290,80 €
Hind kehtib kuni 24.12.26
EAN: 3605340355307
MPN: N302692
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 12A Ferrule
Ainult telli
Mersen
Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 12A Ferrule
4,55 €
Hind kehtib kuni 24.12.26
EAN: 0782001700102
MPN: OT12
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 25A Ferrule
Ainult telli
Mersen
Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 25A Ferrule
4,75 €
Hind kehtib kuni 24.12.26
EAN: 0782001700133
MPN: OT25
Pakend: 1
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks