18/12/2024

Resultados para "Calha ranhurada e acessórios" em Proteção de Cabos

Os sistemas de proteção de cabos são concebidos para proteger os cabos eléctricos e a cablagem de vários riscos externos, como danos mecânicos, humidade, produtos químicos e calor excessivo. Utilizam uma combinação de materiais de proteção para garantir a longevidade e o desempenho fiável dos cabos numa variedade de ambientes. Os produtos de proteção de cabos vão desde condutas de plástico e metal de alta qualidade, passando por tubos corrugados, calhas de cablagem, espirais e mangas protetoras de cabos.


146 produtos

Repor tudo
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-15X30-PVC-GY 181-10038
Comparar
64 m
Cinza (GY) HTWD-PW-15X30-PVC-GY 181-10038
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-25X100-PVC-GY 181-10328
Comparar
16 m
Cinza (GY) HTWD-PW-25X100-PVC-GY 181-10328
HelaDuct Flex 40 - Calha flexível.
Comparar
HelaDuct Flex40SK-PP-WH 164-41108
Comparar
24 Peças
Branco (WH) HelaDuct Flex40SK-PP-WH 164-41108
HelaDuct Flex 20 - Calha flexível.
Comparar
HelaDuct Flex20SK-PP-WH 164-21108
Comparar
70 Peças
Branco (WH) HelaDuct Flex20SK-PP-WH 164-21108
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-75X75-PC/ABS-GY 183-17575
Comparar
24.0 m
Cinza (RAL 7035) HTWD-HF-75X75-PC/ABS-GY 183-17575
HelaDuct Flex 10 - Calha flexível.
Comparar
HelaDuct Flex10-PP-WH 164-11008
Comparar
100 Peças
Branco (WH) HelaDuct Flex10-PP-WH 164-11008
HelaDuct Flex 20 - Calha flexível.
Comparar
HelaDuct Flex20-PP-WH 164-21008
Comparar
70 Peças
Branco (WH) HelaDuct Flex20-PP-WH 164-21008
HelaDuct Flex 40 - Calha flexível.
Comparar
HelaDuct Flex40-PP-WH 164-41008
Comparar
24 Peças
Branco (WH) HelaDuct Flex40-PP-WH 164-41008
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-15X18-PVC-GY 181-10018
Comparar
72 m
Cinza (GY) HTWD-PW-15X18-PVC-GY 181-10018
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-15X40-PVC-GY 181-10058
Comparar
48 m
Cinza (GY) HTWD-PW-15X40-PVC-GY 181-10058
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-15X60-PVC-GY 181-10118
Comparar
32 m
Cinza (GY) HTWD-PW-15X60-PVC-GY 181-10118
HelaDuct Flex 30 - Calha flexível.
Comparar
HelaDuct Flex30-PP-WH 164-31008
Comparar
40 Peças
Branco (WH) HelaDuct Flex30-PP-WH 164-31008
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-100X40-PVC-GY 181-10108
Comparar
16 m
Cinza (GY) HTWD-PW-100X40-PVC-GY 181-10108
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-120X60-PVC-GY 181-10188
Comparar
16 m
Cinza (GY) HTWD-PW-120X60-PVC-GY 181-10188
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-80X40-PVC-GY 181-10098
Comparar
24 m
Cinza (GY) HTWD-PW-80X40-PVC-GY 181-10098
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-100X100-PVC-GY 181-10278
Comparar
8 m
Cinza (GY) HTWD-PW-100X100-PVC-GY 181-10278
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-150X100-PVC-GY 181-10288
Comparar
8 m
Cinza (GY) HTWD-PW-150X100-PVC-GY 181-10288
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-40X100-PVC-GY 181-10258
Comparar
16 m
Cinza (GY) HTWD-PW-40X100-PVC-GY 181-10258
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-60X100-PVC-GY 181-10268
Comparar
8 m
Cinza (GY) HTWD-PW-60X100-PVC-GY 181-10268
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-80X100-PVC-GY 181-10329
Comparar
8 m
Cinza (GY) HTWD-PW-80X100-PVC-GY 181-10329
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-100X40-PVC-GY 184-10108
Comparar
16 m
Cinza (GY) HTWD-PN-100X40-PVC-GY 184-10108
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-120X60-PVC-GY 184-10188
Comparar
16 m
Cinza (GY) HTWD-PN-120X60-PVC-GY 184-10188
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-80X40-PVC-GY 184-10098
Comparar
24 m
Cinza (GY) HTWD-PN-80X40-PVC-GY 184-10098
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-100X100-PVC-GY 184-10278
Comparar
8 m
Cinza (GY) HTWD-PN-100X100-PVC-GY 184-10278
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-40X100-PVC-GY 184-10258
Comparar
16 m
Cinza (GY) HTWD-PN-40X100-PVC-GY 184-10258
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-60X100-PVC-GY 184-10268
Comparar
8 m
Cinza (GY) HTWD-PN-60X100-PVC-GY 184-10268
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-80X100-PVC-GY 184-10329
Comparar
8 m
Cinza (GY) HTWD-PN-80X100-PVC-GY 184-10329
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-100X60-PVC-GY 181-10178
Comparar
16 m
Cinza (GY) HTWD-PW-100X60-PVC-GY 181-10178
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-25X30-PVC-GY 181-10028
Comparar
72 m
Cinza (GY) HTWD-PW-25X30-PVC-GY 181-10028
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-25X40-PVC-GY 181-10068
Comparar
72 m
Cinza (GY) HTWD-PW-25X40-PVC-GY 181-10068
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-25X60-PVC-GY 181-10138
Comparar
48 m
Cinza (GY) HTWD-PW-25X60-PVC-GY 181-10138
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-40X40-PVC-GY 181-10078
Comparar
40 m
Cinza (GY) HTWD-PW-40X40-PVC-GY 181-10078
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-60X40-PVC-GY 181-10088
Comparar
24 m
Cinza (GY) HTWD-PW-60X40-PVC-GY 181-10088
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-60X60-PVC-GY 181-10158
Comparar
24 m
Cinza (GY) HTWD-PW-60X60-PVC-GY 181-10158
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-80X60-PVC-GY 181-10168
Comparar
24 m
Cinza (GY) HTWD-PW-80X60-PVC-GY 181-10168
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-100X80-PVC-GY 181-10238
Comparar
16 m
Cinza (GY) HTWD-PW-100X80-PVC-GY 181-10238
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-120X80-PVC-GY 181-10248
Comparar
16 m
Cinza (GY) HTWD-PW-120X80-PVC-GY 181-10248
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-25X80-PVC-GY 181-10198
Comparar
48 m
Cinza (GY) HTWD-PW-25X80-PVC-GY 181-10198
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-80X80-PVC-GY 181-10228
Comparar
24 m
Cinza (GY) HTWD-PW-80X80-PVC-GY 181-10228
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-100X60-PVC-GY 184-10178
Comparar
16 m
Cinza (GY) HTWD-PN-100X60-PVC-GY 184-10178
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-25X40-PVC-GY 184-10068
Comparar
72 m
Cinza (GY) HTWD-PN-25X40-PVC-GY 184-10068
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-40X40-PVC-GY 184-10078
Comparar
40 m
Cinza (GY) HTWD-PN-40X40-PVC-GY 184-10078
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-60X40-PVC-GY 184-10088
Comparar
24 m
Cinza (GY) HTWD-PN-60X40-PVC-GY 184-10088
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-80X60-PVC-GY 184-10168
Comparar
24 m
Cinza (GY) HTWD-PN-80X60-PVC-GY 184-10168
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-100X80-PVC-GY 184-10238
Comparar
16 m
Cinza (GY) HTWD-PN-100X80-PVC-GY 184-10238
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-120X80-PVC-GY 184-10248
Comparar
16 m
Cinza (GY) HTWD-PN-120X80-PVC-GY 184-10248
HelaDuct Flex 10 - Calha flexível.
Comparar
HelaDuct Flex10SK-PP-WH 164-11108
Comparar
100 Peças
Branco (WH) HelaDuct Flex10SK-PP-WH 164-11108
HelaDuct Flex 30 - Calha flexível.
Comparar
HelaDuct Flex30SK-PP-WH 164-31108
Comparar
40 Peças
Branco (WH) HelaDuct Flex30SK-PP-WH 164-31108
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-50X37.5-PC/ABS-GY 183-05037
Comparar
32 m
Cinza (RAL 7035) HTWD-HF-50X37.5-PC/ABS-GY 183-05037
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-40X60-PVC-GY 181-10148
Comparar
36 m
Cinza (GY) HTWD-PW-40X60-PVC-GY 181-10148
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-40X80-PVC-GY 181-10208
Comparar
32 m
Cinza (GY) HTWD-PW-40X80-PVC-GY 181-10208
HelaDuct HTWD-PW - Calha de ranhurado largo.
Comparar
HTWD-PW-60X80-PVC-GY 181-10218
Comparar
24 m
Cinza (GY) HTWD-PW-60X80-PVC-GY 181-10218
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-25X60-PVC-GY 184-10138
Comparar
48 m
Cinza (GY) HTWD-PN-25X60-PVC-GY 184-10138
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-40X60-PVC-GY 184-10148
Comparar
36 m
Cinza (GY) HTWD-PN-40X60-PVC-GY 184-10148
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-60X60-PVC-GY 184-10158
Comparar
24 m
Cinza (GY) HTWD-PN-60X60-PVC-GY 184-10158
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-25X80-PVC-GY 184-10198
Comparar
48 m
Cinza (GY) HTWD-PN-25X80-PVC-GY 184-10198
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-60X80-PVC-GY 184-10218
Comparar
24 m
Cinza (GY) HTWD-PN-60X80-PVC-GY 184-10218
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-80X80-PVC-GY 184-10228
Comparar
24 m
Cinza (GY) HTWD-PN-80X80-PVC-GY 184-10228
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-25X25-PC/ABS-GY 183-12525
Comparar
48.0 m
Cinza (RAL 7035) HTWD-HF-25X25-PC/ABS-GY 183-12525
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-25X50-PC/ABS-GY 183-12550
Comparar
44 m
Cinza (RAL 7035) HTWD-HF-25X50-PC/ABS-GY 183-12550
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-37.5X37.5-PC/ABS-GY 183-13737
Comparar
40 m
Cinza (RAL 7035) HTWD-HF-37.5X37.5-PC/ABS-GY 183-13737
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-37.5X50-PC/ABS-GY 183-13750
Comparar
32 m
Cinza (RAL 7035) HTWD-HF-37.5X50-PC/ABS-GY 183-13750
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-100X50-PC/ABS-GY 183-11050
Comparar
20 m
Cinza (RAL 7035) HTWD-HF-100X50-PC/ABS-GY 183-11050
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-25X75-PC/ABS-GY 183-22575
Comparar
36 m
Cinza (RAL 7035) HTWD-HF-25X75-PC/ABS-GY 183-22575
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-25X37.5-PC/ABS-GY 183-12537
Comparar
54 m
Cinza (RAL 7035) HTWD-HF-25X37.5-PC/ABS-GY 183-12537
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-125X75-PC/ABS-GY 183-12257
Comparar
16 m
Cinza (RAL 7035) HTWD-HF-125X75-PC/ABS-GY 183-12257
HelaDuct HTWD-PW - Calha de ranhurado estreito.
Comparar
HTWD-PN-40X80-PVC-GY 184-10208
Comparar
32 m
Cinza (GY) HTWD-PN-40X80-PVC-GY 184-10208
Comparar
HTWD-HF-60X40-PC/ABS-GY 183-26040
Comparar
40 m
Cinza (GY) HTWD-HF-60X40-PC/ABS-GY 183-26040
Comparar
HTWD-HF-80X40-PC/ABS-GY 183-28040
Comparar
20.0 m
Cinza (GY) HTWD-HF-80X40-PC/ABS-GY 183-28040
Comparar
HTWD-HF-120X60-PC/ABS-GY 183-21260
Comparar
12.0 m
Cinza (GY) HTWD-HF-120X60-PC/ABS-GY 183-21260
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-37.5X75-PC/ABS-GY 183-13775
Comparar
24.0 m
Cinza (RAL 7035) HTWD-HF-37.5X75-PC/ABS-GY 183-13775
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-50X50-PC/ABS-GY 183-15050
Comparar
42 m
Cinza (RAL 7035) HTWD-HF-50X50-PC/ABS-GY 183-15050
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-50X75-PC/ABS-GY 183-15075
Comparar
28 m
Cinza (RAL 7035) HTWD-HF-50X75-PC/ABS-GY 183-15075
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-75X50-PC/ABS-GY 183-17550
Comparar
28 m
Cinza (RAL 7035) HTWD-HF-75X50-PC/ABS-GY 183-17550
As calhas livres de halogéneo HelaDuct HTWD-HF cumprem os mais altos requisitos de segurança contra incêndio.
Comparar
HTWD-HF-100X75-PC/ABS-GY 183-11075
Comparar
16 m
Cinza (RAL 7035) HTWD-HF-100X75-PC/ABS-GY 183-11075
Comparar
HTWD-HF-25X25-PC/ABS-GY 183-22525
Comparar
50.0 m
Cinza (GY) HTWD-HF-25X25-PC/ABS-GY 183-22525
Comparar
HTWD-HF-40X25-PC/ABS-GY 183-24025
Comparar
48.0 m
Cinza (GY) HTWD-HF-40X25-PC/ABS-GY 183-24025
Comparar
HTWD-HF-25X40-PC/ABS-GY 183-22540
Comparar
48.0 m
Cinza (GY) HTWD-HF-25X40-PC/ABS-GY 183-22540
Comparar
HTWD-HF-40X40-PC/ABS-GY 183-24040
Comparar
50.0 m
Cinza (GY) HTWD-HF-40X40-PC/ABS-GY 183-24040
Comparar
HTWD-HF-100X40-PC/ABS-GY 183-22040
Comparar
20.0 m
Cinza (GY) HTWD-HF-100X40-PC/ABS-GY 183-22040
Comparar
HTWD-HF-25X60-PC/ABS-GY 183-25060
Comparar
60.0 m
Cinza (GY) HTWD-HF-25X60-PC/ABS-GY 183-25060
Comparar
HTWD-HF-40X60-PC/ABS-GY 183-24060
Comparar
40 m
Cinza (GY) HTWD-HF-40X60-PC/ABS-GY 183-24060
Comparar
HTWD-HF-60X60-PC/ABS-GY 183-26060
Comparar
24.0 m
Cinza (GY) HTWD-HF-60X60-PC/ABS-GY 183-26060
Comparar
HTWD-HF-80X60-PC/ABS-GY 183-28060
Comparar
20.0 m
Cinza (GY) HTWD-HF-80X60-PC/ABS-GY 183-28060
Comparar
HTWD-HF-100X60-PC/ABS-GY 183-21060
Comparar
16.0 m
Cinza (GY) HTWD-HF-100X60-PC/ABS-GY 183-21060
Comparar
HTWD-HF-25X80-PC/ABS-GY 183-22580
Comparar
20.0 m
Cinza (GY) HTWD-HF-25X80-PC/ABS-GY 183-22580
Comparar
HTWD-HF-40X80-PC/ABS-GY 183-24080
Comparar
20.0 m
Cinza (GY) HTWD-HF-40X80-PC/ABS-GY 183-24080
Comparar
HTWD-HF-60X80-PC/ABS-GY 183-26080
Comparar
20.0 m
Cinza (GY) HTWD-HF-60X80-PC/ABS-GY 183-26080
Comparar
HTWD-HF-80X80-PC/ABS-GY 183-28080
Comparar
12.0 m
Cinza (GY) HTWD-HF-80X80-PC/ABS-GY 183-28080
Comparar
HTWD-HF-100X80-PC/ABS-GY 183-21080
Comparar
12.0 m
Cinza (GY) HTWD-HF-100X80-PC/ABS-GY 183-21080
Comparar
HTWD-HF-120X80-PC/ABS-GY 183-21280
Comparar
16.0 m
Cinza (GY) HTWD-HF-120X80-PC/ABS-GY 183-21280
Comparar
HTWD-HF-60X100-PC/ABS-GY 183-26010
Comparar
12.0 m
Cinza (GY) HTWD-HF-60X100-PC/ABS-GY 183-26010
Comparar
HTWD-HF-80X100-PC/ABS-GY 183-28010
Comparar
10.0 m
Cinza (GY) HTWD-HF-80X100-PC/ABS-GY 183-28010
Comparar
HTWD-HF-100X100-PC/ABS-GY 183-21010
Comparar
8.0 m
Cinza (GY) HTWD-HF-100X100-PC/ABS-GY 183-21010
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-75X100-PVC-GY 185-47510
Comparar
16 m
Cinza (GY) HTWD-PD-75X100-PVC-GY 185-47510
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-20X20-PVC-GY 185-42020
Comparar
64 m
Cinza (GY) HTWD-PD-20X20-PVC-GY 185-42020
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-20X37.5-PVC-GY 185-42037
Comparar
32 m
Cinza (GY) HTWD-PD-20X37.5-PVC-GY 185-42037
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-20X50-PVC-GY 185-42050
Comparar
20 m
Cinza (GY) HTWD-PD-20X50-PVC-GY 185-42050
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-25X25-PVC-GY 185-42525
Comparar
48 m
Cinza (GY) HTWD-PD-25X25-PVC-GY 185-42525
HelaDuct HTWD-PD - Calha (tamanho DIN).
Comparar
HTWD-PD-25X50-PVC-GY 185-42550
Comparar
18 m
Cinza (GY) HTWD-PD-25X50-PVC-GY 185-42550

Resultados para "Calha ranhurada e acessórios" em Proteção de Cabos

Os sistemas de proteção de cabos são concebidos para proteger os cabos eléctricos e a cablagem de vários riscos externos, como danos mecânicos, humidade, produtos químicos e calor excessivo. Utilizam uma combinação de materiais de proteção para garantir a longevidade e o desempenho fiável dos cabos numa variedade de ambientes. Os produtos de proteção de cabos vão desde condutas de plástico e metal de alta qualidade, passando por tubos corrugados, calhas de cablagem, espirais e mangas protetoras de cabos.