Skip to main content Skip to search Skip to main navigation
Worldwide Shipping - 150+ Countries
Go to homepage

Fire Protection & Surge Protection | WSU INDUSTRIALS


Browse Fire Protection & Surge Protection at WSU INDUSTRIALS. Fast delivery and a wide selection.

Filter products

-49%
Dehn 319229 Cross unit StSt f. Rd 7-10/7-10mm - Rd 7-10/Fl 40mm-Fl 40/40mm, inter. plate (img_001)
Dehn 319229 Kreuzstueck NIRO (V4A) f. Rd 7-10/7-10mm Rd 7-10/Fl 40mm-Fl 40/40mm…
Art. No: WST8810210581 P/N: 319229
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €19.63 Regular price: €38.79 (49.39% saved)
-49%
Dehn 319202 Cross unit St/tZn f. Rd 8-10/16mm - Rd 16/Fl 30mm, intermediate plate (img_001)
Dehn 319202 Kreuzstueck St/tZn f. Rd 8-10/16mm - Rd 16/Fl 30mm m. Zwischenplatte
Art. No: WST8810210582 P/N: 319202
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €8.01 Regular price: €15.83 (49.4% saved)
-49%
Dehn 319219 Cross unit StSt(316/Ti/L) f.Rd 8-10/16mm Rd 16/Fl 30mm, intermediate plate (img_001)
Dehn 319219 Kreuzstueck NIRO (V4A) f. Rd 8-10/16mm - Rd 16/Fl 30mm m.…
Art. No: WST8810210583 P/N: 319219
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €18.24 Regular price: €36.06 (49.42% saved)
-49%
Dehn 318201 Cross unit St/tZn f. Rd 8-10/Fl 30mm Fl 30/30mm without intermediate plate (img_001)
Dehn 318201 Kreuzstueck St/tZn f. Rd 8-10/Fl 30mm Fl 30/30mm o. Zwischenplatte
Art. No: WST8810210584 P/N: 318201
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €5.93 Regular price: €11.66 (49.14% saved)
-49%
Dehn 318207 Cross unit Cu f. Rd 8-10/Fl 30mm Fl 30/30mm without intermediate plate (img_001)
Dehn 318207 Kreuzstueck Cu f. Rd 8-10/Fl 30mm Fl 30/30mm o. Zwischenplatte
Art. No: WST8810210585 P/N: 318207
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €19.63 Regular price: €38.79 (49.39% saved)
-49%
Dehn 318209 Cross unit StSt (V4A) f. Fl 30/30mm Rd 8-10/Fl 30mm w/o intermediate plate (img_001)
Dehn 318209 Kreuzstueck NIRO (V4A) f. Fl 30/30mm Rd 8-10/Fl 30mm o.…
Art. No: WST8810210586 P/N: 318209
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €13.03 Regular price: €25.70 (49.3% saved)
-50%
Dehn 318251 Cross unit St/tZn f. Rd 8-10/8-10mm - Rd 8-10/Fl 30mm Fl 30/30mm w/o interm. pl. (img_001)
Dehn 318251 Kreuzstueck St/tZn f. Rd 8-10/8-10mm - Rd 8-10/Fl 30mm Fl 30/30mm…
Art. No: WST8810210587 P/N: 318251
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €6.48 Regular price: €12.85 (49.57% saved)
-49%
Dehn 318219 Cross unit StSt(V4A) f.2x Rd 8-10mm Dim. 60x60mm without intermediate plate (img_001)
Dehn 318219 Kreuzstueck NIRO (V4A) f. 2x Rd 8-10mm Abm. 60x60mm o.…
Art. No: WST8810210588 P/N: 318219
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €13.03 Regular price: €25.70 (49.3% saved)
-50%
Dehn 318033 Cross unit HDG St f. Fl 30/30mm without intermediate plate (img_001)
Dehn 318033 Kreuzstueck St/tZn f. Fl 30/30mm o. Zwischenplatte
Art. No: WST8810210589 P/N: 318033
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €5.71 Regular price: €11.31 (49.51% saved)
-49%
Dehn 318233 Cross unit StSt (V4A) f. Fl 30/30mm Dim. 60x60mm w/o intermediate plate (img_001)
Dehn 318233 Kreuzstueck NIRO (V4A) f. Fl 30/30mm Abm. 60x60mm o. Zwischenplatte
Art. No: WST8810210590 P/N: 318233
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €13.03 Regular price: €25.70 (49.3% saved)
-49%
Dehn 320044 Cross unit St/tZn f. Fl 30-40/30-40mm without intermediate plate (img_001)
Dehn 320044 Kreuzstueck St/tZn f. Fl 30-40/30-40mm o. Zwischenplatte
Art. No: WST8810210591 P/N: 320044
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €7.60 Regular price: €14.99 (49.3% saved)
Dehn 956031 Schutzmodul Kombi-Ableiter Typ1+2+3 vierpolig für DV M2 TT 255 FM (img_001)
Dehn 956031 Schutzmodul Kombi-Ableiter Typ1+2+3 vierpolig fuer DV M2 TT 255 FM
Art. No: WST8810210593 P/N: 956031
Available to order
Lieferzeit: 2-3 Weeks

Regular price: €2,279.50
Dehn 956011 Protection module combined arrester Type 1+2+3 two-pole for DV M2 TT 2P 255 FM (img_001)
Dehn 956011 Schutzmodul Kombi-Ableiter Typ1+2+3 zweipolig fuer DV M2 TT 2P 255…
Art. No: WST8810210594 P/N: 956011
Available to order
Lieferzeit: 2-3 Weeks

Regular price: €1,206.04
-49%
Dehn 253115 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar s=15cm (img_001)
Dehn 253115 DEHNiso-DLH -SET- m. Grundplatte Betonstein u. Distanzstab s=15cm
Art. No: WST8810210724 P/N: 253115
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €18.18 Regular price: €35.82 (49.25% saved)
-49%
Dehn 253125 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar s=25cm (img_001)
Dehn 253125 DEHNiso-DLH -SET- m. Grundplatte Betonstein u. Distanzstab s=25cm
Art. No: WST8810210725 P/N: 253125
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €19.71 Regular price: €38.91 (49.34% saved)
-49%
Dehn 253310 DEHNiso DLH profiled bar GRP light grey D 10mm L 3000mm (img_001)
Dehn 253310 DEHNiso-DLH Profilstab GFK lichtgrau D 10mm L 3000mm
Art. No: WST8810210726 P/N: 253310
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €34.11 Regular price: €67.35 (49.35% saved)
-50%
Dehn 253302 DEHNiso-DLH conductor holder f. Rd 8mm with bushing D 10mm PE (img_001)
Dehn 253302 DEHNiso-DLH Leitungshalter f. Rd 8mm m. Steckbuchse D 10mm PE
Art. No: WST8810210727 P/N: 253302
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €2.03 Regular price: €4.05 (49.88% saved)
-49%
Dehn 253315 DEHNiso-DLH Distanzhalter D 10mm f. Rd 8mm L 280mm GFK/PE
Art. No: WST8810210728 P/N: 253315
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.95 Regular price: €9.76 (49.28% saved)
-50%
Dehn 253325 DEHNiso-DLH Distanzhalter D 10mm f. Rd 8mm L 420mm GFK/PE
Art. No: WST8810210729 P/N: 253325
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €6.48 Regular price: €12.85 (49.57% saved)
-47%
Dehn 941300 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-C systems (img_001)
Dehn 941300 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer dreiphasige…
Art. No: WST8810210730 P/N: 941300
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €396.03 Regular price: €747.08 (46.99% saved)
-47%
Dehn 941305 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-C systems (img_001)
Dehn 941305 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer dreiphasige…
Art. No: WST8810210731 P/N: 941305
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €433.16 Regular price: €815.98 (46.92% saved)
-47%
Dehn 941306 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TN-S systems (img_001)
Dehn 941306 Anwendungsopt. Kombi-Ableiter DEHNshield B Typ 1+2 fuer dreiphasige…
Art. No: WST8810210732 P/N: 941306
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €289.29 Regular price: €545.14 (46.93% saved)
-47%
Dehn 941400 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-S systems (img_001)
Dehn 941400 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer dreiphasige…
Art. No: WST8810210733 P/N: 941400
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €510.51 Regular price: €969.26 (47.33% saved)
-47%
Dehn 941405 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-S systems (img_001)
Dehn 941405 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer dreiphasige…
Art. No: WST8810210734 P/N: 941405
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €564.66 Regular price: €1,062.19 (46.84% saved)
-47%
Dehn 941406 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TN-S systems (img_001)
Dehn 941406 Anwendungsopt. Kombi-Ableiter DEHNshield B Typ 1+2 fuer dreiphasige…
Art. No: WST8810210735 P/N: 941406
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €360.45 Regular price: €679.49 (46.95% saved)
-47%
Dehn 941310 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a. TN-S systems (img_001)
Dehn 941310 Anwendungsopt. Kombi-Ableiter DEHNshield Typ1+2 f.dreiphasige…
Art. No: WST8810210736 P/N: 941310
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €549.19 Regular price: €1,034.11 (46.89% saved)
-47%
Dehn 941315 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a. TN-S systems (img_001)
Dehn 941315 Anwendungsopt. Kombi-Ableiter DEHNshield Typ1+2 f.dreiphasige…
Art. No: WST8810210737 P/N: 941315
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €600.24 Regular price: €1,129.43 (46.85% saved)
-47%
Dehn 941316 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TT-and TN-S systems (img_001)
Dehn 941316 Anwendungsopt. Kombi-Ableiter DEHNshield B Typ1+2 f.dreiphasige…
Art. No: WST8810210738 P/N: 941316
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €392.94 Regular price: €739.47 (46.86% saved)
-47%
Dehn 941200 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TN systems (img_001)
Dehn 941200 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer einphasige…
Art. No: WST8810210739 P/N: 941200
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €273.82 Regular price: €517.41 (47.08% saved)
-47%
Dehn 941205 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TN systems (img_001)
Dehn 941205 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer einphasige…
Art. No: WST8810210740 P/N: 941205
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €298.57 Regular price: €563.94 (47.06% saved)
-47%
Dehn 941206 Appl.-opt. combined arrester DEHNshield B type 1+2 for single-phase TN systems (img_001)
Dehn 941206 Anwendungsopt. Kombi-Ableiter DEHNshield B Typ 1+2 fuer einphasige…
Art. No: WST8810210741 P/N: 941206
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €194.92 Regular price: €367.47 (46.96% saved)
-47%
Dehn 941110 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TT a. TN systems (img_001)
Dehn 941110 Anwendungsopt. Kombi-Ableiter DEHNshield Typ1+2 fuer einphasige…
Art. No: WST8810210742 P/N: 941110
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €307.85 Regular price: €580.72 (46.99% saved)
-47%
Dehn 941115 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TT a. TN systems (img_001)
Dehn 941115 Anwendungsopt. Kombi-Ableiter DEHNshield Typ 1+2 fuer einphasige…
Art. No: WST8810210743 P/N: 941115
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €332.61 Regular price: €627.61 (47% saved)
-47%
Dehn 941116 Appl.-opt. combined arrester DEHNshield B type 1+2 f. single-phase TT a. TN systems (img_001)
Dehn 941116 Anwendungsopt. Kombi-Ableiter DEHNshield B Typ 1+2 fuer einphasige…
Art. No: WST8810210744 P/N: 941116
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €194.92 Regular price: €366.52 (46.82% saved)
-50%
Dehn 204069 Roof cond. hol. PLATTENsnap StSt 4-6mm, DEHNsnap H 16mm plastic grey f. Rd 8mm (img_001)
Dehn 204069 Dachleitungshalter PLATTENsnap Niro 4-6 mm m. DEHNsnap H 16mm…
Art. No: WST8810210745 P/N: 204069
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.18 Regular price: €8.33 (49.82% saved)
-49%
Dehn 204079 Roof cond. hol. PLATTENsnap StSt 4-6mm, DEHNsnap H 16mm plastic brown f. Rd 8mm (img_001)
Dehn 204079 Dachleitungshalter PLATTENsnap Niro 4-6 mm m. DEHNsnap H 16mm…
Art. No: WST8810210746 P/N: 204079
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.39 Regular price: €8.69 (49.48% saved)
-49%
Dehn 204049 Roof cond. hol. ZIEGELsnap StSt 4-16mm DEHNsnap H 16mm plastic grey f. Rd 8mm (img_001)
Dehn 204049 Dachleitungshalter ZIEGELsnap Niro 4-16 mm m. DEHNsnap H 16mm…
Art. No: WST8810210747 P/N: 204049
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.59 Regular price: €9.04 (49.23% saved)
-49%
Dehn 204059 Roof cond. hol. ZIEGELsnap StSt 4-16mm, DEHNsnap H 16mm plastic brown f. Rd 8mm (img_001)
Dehn 204059 Dachleitungshalter ZIEGELsnap Niro 4-16 mm m. DEHNsnap H 16mm…
Art. No: WST8810210748 P/N: 204059
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.59 Regular price: €9.04 (49.23% saved)
-49%
Dehn 206049 Roof cond. holder ZIEGELgrip StSt 4-16 mm w. DEHNgrip H 20mm StSt f. Rd 8mm (img_001)
Dehn 206049 Dachleitungshalt. ZIEGELgrip Niro 4-16 mm mit DEHNgrip H 20mm Niro…
Art. No: WST8810210749 P/N: 206049
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.87 Regular price: €9.64 (49.48% saved)
-49%
Dehn 206389 Roof conductor holder f. roof and wall plates clamp. range 2-8mm f. Rd 8mm StSt (img_001)
Dehn 206389 Dachleitungshalter f. Dach-Wandplatten Klemmbereich 2-8mm f. Rd 8mm…
Art. No: WST8810210750 P/N: 206389
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €4.53 Regular price: €8.93 (49.27% saved)
-49%
Dehn 206399 Roof cond. holder f. roof/wall plates clamping range 8-18mm f. Rd 8mm StSt (img_001)
Dehn 206399 Dachleitungshalter f. Dach-/Wandplatten Klemmbereich 8-18mm f. Rd…
Art. No: WST8810210751 P/N: 206399
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €4.59 Regular price: €9.04 (49.23% saved)
-50%
Dehn 206379 Roof cond. holder f. roof/wall slabs Clamping range 2-8mm for Rd 8mm StSt (img_001)
Dehn 206379 Dachleitungshalter fuer Dach-Wandplatten Klemmbereich 2-8mm fuer Rd…
Art. No: WST8810210752 P/N: 206379
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €5.57 Regular price: €11.07 (49.68% saved)
-49%
Dehn 275460 HVI-L+ Ex W55 holder f. Conductor D 18mm distance 55mm w. StSt fixing plate (img_001)
Dehn 275460 HVI-L+ Ex W55 holder f. Leitung D 18mm AS 55mm m.…
Art. No: WST8810210768 P/N: 275460
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €26.73 Regular price: €52.84 (49.41% saved)
-49%
Dehn 275461 HVI-L+ Ex W160 holder f. Conductor D18mm distance 160mm w. StSt fixing plate (img_001)
Dehn 275461 HVI-L+ Ex W160 holder f. Leitung D 18mm AS 160mm m.…
Art. No: WST8810210769 P/N: 275461
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €40.87 Regular price: €80.68 (49.34% saved)
-49%
Dehn 275464 HVI-L+ Ex P55 holder f. Conductor D18mm dist. 55mm w. bracket f. tubes 50-300mm (img_001)
Dehn 275464 HVI-L+ Ex P55 holder f. Leitung D 18mm AS 55mm m. Bef.-Buegel f.…
Art. No: WST8810210770 P/N: 275464
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €27.37 Regular price: €54.15 (49.46% saved)
-49%
Dehn 275462 HVI-L+ Ex P160 holder f. Conductor D18mm dist. 160mm w. bracket f. tubes 50-300mm (img_001)
Dehn 275462 HVI-L+ Ex P160 holder f. Leitung D18mm AS 160mm m. Bef.-Buegel f.…
Art. No: WST8810210771 P/N: 275462
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €41.07 Regular price: €81.04 (49.32% saved)
-49%
Dehn 618214 Lattice mat 250 StSt (V4A) Dimension: 2000 x 1000 mm (img_001)
Dehn 618214 Gittermatte 250 NIRO (V4A) Abmessung: 2000 x 1000 mm
Art. No: WST8810210772 P/N: 618214
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €99.13 Regular price: €195.76 (49.36% saved)
-49%
Dehn 540271 MMV clamp StSt (V4A) f. Rd 3-10mm with hexagon screw M8x30 (img_001)
Dehn 540271 MMV-Klemme Niro (V4A) f. Rd 3-10mm m. Sechskantschraube M8x30
Art. No: WST8810210773 P/N: 540271
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €5.93 Regular price: €11.66 (49.14% saved)