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
-45%
Dehn 472250 Verbindungslasche NIRO (V4A) mit Langloch und Schlitz fuer PAS BW (img_001)
Dehn 472250 Verbindungslasche NIRO (V4A) mit Langloch und Schlitz fuer PAS BW
Art. No: WST8810210564 P/N: 472250
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €8.62 Regular price: €15.59 (44.71% saved)
-45%
Dehn 472210 Insulator for equipotential bonding bar H40 A/F36 M10/M10 UV-resistant (img_001)
Dehn 472210 Insulator for equipotential bonding bar H40 A/F36 M10/M10…
Art. No: WST8810210565 P/N: 472210
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €13.83 Regular price: €24.99 (44.66% saved)
-45%
Dehn 472201 fixing kit 2 hanger bolts L80mm w. hexalobular socket T25, 2 K-plug D12mm   (img_001)
Dehn 472201 fixing kit 2 hanger bolts L80mm w. hexalobular socket T25, 2 K-plug…
Art. No: WST8810210566 P/N: 472201
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €3.29 Regular price: €5.95 (44.71% saved)
-45%
Dehn 472248 Stuetzer fuer PA-Schiene NIRO BW (img_001)
Dehn 472248 Stuetzer fuer PA-Schiene NIRO BW
Art. No: WST8810210567 P/N: 472248
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €15.68 Regular price: €28.32 (44.63% saved)
-45%
Dehn 308220 SV clamp St/tZn f. Rd 7-10/7-10mm - Rd 7-10/Fl 30mm-Fl 30/30mm (img_001)
Dehn 308220 SV clamp St/tZn f. Rd 7-10/7-10mm - Rd 7-10/Fl 30mm-Fl 30/30mm
Art. No: WST8810210568 P/N: 308220
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €5.06 Regular price: €9.16 (44.76% saved)
-45%
Dehn 308229 SV clamp StSt (V4A) f. Fl 30/30mm Rd 7-10/7-10mm - Rd 7-10/Fl 30mm (img_001)
Dehn 308229 SV clamp StSt (V4A) f. Fl 30/30mm Rd 7-10/7-10mm - Rd 7-10/Fl 30mm
Art. No: WST8810210569 P/N: 308229
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €11.91 Regular price: €21.54 (44.71% saved)
-45%
Dehn 308320 SV clamp St/tZn f. Rd 7-10/7-10mm - Rd 7-10/Fl 40mm - Fl 40/40mm (img_001)
Dehn 308320 SV clamp St/tZn f. Rd 7-10/7-10mm - Rd 7-10/Fl 40mm - Fl 40/40mm
Art. No: WST8810210570 P/N: 308320
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €5.14 Regular price: €9.28 (44.61% saved)
-45%
Dehn 308329 SV clamp StSt (V4A) f. Fl 40/40mm Rd 7-10/7-10mm - Rd 7-10/Fl 40mm (img_001)
Dehn 308329 SV clamp StSt (V4A) f. Fl 40/40mm Rd 7-10/7-10mm - Rd 7-10/Fl 40mm
Art. No: WST8810210571 P/N: 308329
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €12.91 Regular price: €23.32 (44.64% saved)
-45%
Dehn 308249 SV clamp StSt (V4A)f. Fl 30/Rd 7-10mm (img_001)
Dehn 308249 SV clamp StSt (V4A)f. Fl 30/Rd 7-10mm
Art. No: WST8810210572 P/N: 308249
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €11.86 Regular price: €21.42 (44.63% saved)
-45%
Dehn 308230 SV clamp St/tZn for Fl 30/Fl 30mm (img_001)
Dehn 308230 SV clamp St/tZn for Fl 30/Fl 30mm
Art. No: WST8810210573 P/N: 308230
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €5.06 Regular price: €9.16 (44.76% saved)
-45%
Dehn 308239 SV clamp StSt(V4A) f. Fl 30/Fl 30mm with screws and nuts (M10) (img_001)
Dehn 308239 SV clamp StSt(V4A) f. Fl 30/Fl 30mm with screws and nuts (M10)
Art. No: WST8810210574 P/N: 308239
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €11.78 Regular price: €21.30 (44.69% saved)
-45%
Dehn 308330 SV clamp St/tZn f. Rd 7-10/16mm - Rd 16/Fl 40mm (img_001)
Dehn 308330 SV clamp St/tZn f. Rd 7-10/16mm - Rd 16/Fl 40mm
Art. No: WST8810210575 P/N: 308330
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €5.53 Regular price: €10.00 (44.7% saved)
-45%
Dehn 319201 Cross unit St/tZn f. Rd 8-10/8-10mm - Rd 8-10/Fl 30mm-Fl 30/30mm, intermed. plate (img_001)
Dehn 319201 Cross unit St/tZn f. Rd 8-10/8-10mm - Rd 8-10/Fl 30mm-Fl 30/30mm,…
Art. No: WST8810210576 P/N: 319201
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €8.04 Regular price: €14.52 (44.63% saved)
-45%
Dehn 319207 Cross unit Cu f. Rd 8-10/8-10mm - Rd 8- 10/Fl 30mm-Fl 30/30mm, intermediate pl. (img_001)
Dehn 319207 Cross unit Cu f. Rd 8-10/8-10mm - Rd 8- 10/Fl 30mm-Fl 30/30mm,…
Art. No: WST8810210577 P/N: 319207
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €27.80 Regular price: €50.22 (44.64% saved)
-45%
Dehn 319209 Cross unit StSt(V4A) Rd 8-10/8-10mm Rd 8-10/Fl 30mm-Fl 30/30mm, interm. pl. (img_001)
Dehn 319209 Cross unit StSt(V4A) Rd 8-10/8-10mm Rd 8-10/Fl 30mm-Fl 30/30mm,…
Art. No: WST8810210578 P/N: 319209
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €18.11 Regular price: €32.73 (44.67% saved)
-45%
Dehn 321045 Cross unit St/tZn f. Rd 8-10/Fl 30-40mm Fl 30-40/30-40mm w. intermediate plate (img_001)
Dehn 321045 Cross unit St/tZn f. Rd 8-10/Fl 30-40mm Fl 30-40/30-40mm w.…
Art. No: WST8810210579 P/N: 321045
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €10.86 Regular price: €19.64 (44.7% saved)
-45%
Dehn 321047 Cross unit Cu f. Rd 8-10/Fl 30-40mm Fl 30-40/30-40mm, intermediate plate (img_001)
Dehn 321047 Cross unit Cu f. Rd 8-10/Fl 30-40mm Fl 30-40/30-40mm, intermediate…
Art. No: WST8810210580 P/N: 321047
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €36.42 Regular price: €65.81 (44.66% saved)
-45%
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 Cross unit StSt 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: €21.47 Regular price: €38.79 (44.65% saved)
-45%
Dehn 319202 Cross unit St/tZn f. Rd 8-10/16mm - Rd 16/Fl 30mm, intermediate plate (img_001)
Dehn 319202 Cross unit St/tZn f. Rd 8-10/16mm - Rd 16/Fl 30mm, intermediate…
Art. No: WST8810210582 P/N: 319202
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €8.75 Regular price: €15.83 (44.73% saved)
-45%
Dehn 319219 Cross unit StSt(316/Ti/L) f.Rd 8-10/16mm Rd 16/Fl 30mm, intermediate plate (img_001)
Dehn 319219 Cross unit StSt(316/Ti/L) f.Rd 8-10/16mm Rd 16/Fl 30mm,…
Art. No: WST8810210583 P/N: 319219
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €19.95 Regular price: €36.06 (44.68% saved)
-45%
Dehn 318201 Cross unit St/tZn f. Rd 8-10/Fl 30mm Fl 30/30mm without intermediate plate (img_001)
Dehn 318201 Cross unit St/tZn f. Rd 8-10/Fl 30mm Fl 30/30mm without…
Art. No: WST8810210584 P/N: 318201
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €6.45 Regular price: €11.66 (44.68% saved)
-45%
Dehn 318207 Cross unit Cu f. Rd 8-10/Fl 30mm Fl 30/30mm without intermediate plate (img_001)
Dehn 318207 Cross unit Cu f. Rd 8-10/Fl 30mm Fl 30/30mm without intermediate…
Art. No: WST8810210585 P/N: 318207
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €21.47 Regular price: €38.79 (44.65% saved)
-45%
Dehn 318209 Cross unit StSt (V4A) f. Fl 30/30mm Rd 8-10/Fl 30mm w/o intermediate plate (img_001)
Dehn 318209 Cross unit StSt (V4A) f. Fl 30/30mm Rd 8-10/Fl 30mm w/o…
Art. No: WST8810210586 P/N: 318209
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €14.23 Regular price: €25.70 (44.63% saved)
-45%
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 Cross unit 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: €7.11 Regular price: €12.85 (44.67% saved)
-45%
Dehn 318219 Cross unit StSt(V4A) f.2x Rd 8-10mm Dim. 60x60mm without intermediate plate (img_001)
Dehn 318219 Cross unit StSt(V4A) f.2x Rd 8-10mm Dim. 60x60mm without…
Art. No: WST8810210588 P/N: 318219
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €14.23 Regular price: €25.70 (44.63% saved)
-45%
Dehn 318033 Cross unit HDG St f. Fl 30/30mm without intermediate plate (img_001)
Dehn 318033 Cross unit HDG St f. Fl 30/30mm without intermediate plate
Art. No: WST8810210589 P/N: 318033
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €6.25 Regular price: €11.31 (44.74% saved)
-45%
Dehn 318233 Cross unit StSt (V4A) f. Fl 30/30mm Dim. 60x60mm w/o intermediate plate (img_001)
Dehn 318233 Cross unit StSt (V4A) f. Fl 30/30mm Dim. 60x60mm w/o intermediate…
Art. No: WST8810210590 P/N: 318233
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €14.23 Regular price: €25.70 (44.63% saved)
-45%
Dehn 320044 Cross unit St/tZn f. Fl 30-40/30-40mm without intermediate plate (img_001)
Dehn 320044 Cross unit St/tZn f. Fl 30-40/30-40mm without intermediate plate
Art. No: WST8810210591 P/N: 320044
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €8.30 Regular price: €14.99 (44.63% saved)
-45%
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 für DV M2 TT 255 FM
Art. No: WST8810210593 P/N: 956031
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €999.65 Regular price: €1,806.06 (44.65% saved)
-45%
Dehn 956011 Protection module combined arrester Type 1+2+3 two-pole for DV M2 TT 2P 255 FM (img_001)
Dehn 956011 Protection module combined arrester Type 1+2+3 two-pole for DV M2…
Art. No: WST8810210594 P/N: 956011
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €528.91 Regular price: €955.57 (44.65% saved)
-45%
Dehn 253115 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar s=15cm (img_001)
Dehn 253115 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar…
Art. No: WST8810210724 P/N: 253115
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €19.82 Regular price: €35.82 (44.67% saved)
-45%
Dehn 253125 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar s=25cm (img_001)
Dehn 253125 DEHNiso-DLH -SET- w. base plate, concrete block and spacer bar…
Art. No: WST8810210725 P/N: 253125
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €21.53 Regular price: €38.91 (44.67% saved)
-45%
Dehn 253310 DEHNiso DLH profiled bar GRP light grey D 10mm L 3000mm (img_001)
Dehn 253310 DEHNiso DLH profiled bar GRP light grey D 10mm L 3000mm
Art. No: WST8810210726 P/N: 253310
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €37.28 Regular price: €67.35 (44.65% saved)
-45%
Dehn 253302 DEHNiso-DLH conductor holder f. Rd 8mm with bushing D 10mm PE (img_001)
Dehn 253302 DEHNiso-DLH conductor holder f. Rd 8mm with bushing D 10mm PE
Art. No: WST8810210727 P/N: 253302
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €2.24 Regular price: €4.05 (44.69% saved)
-45%
Dehn 253315 DEHNiso DLH spacer D 10mm f. Rd 8mm L 280mm GRP/PE
Art. No: WST8810210728 P/N: 253315
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €5.40 Regular price: €9.76 (44.67% saved)
-45%
Dehn 253325 DEHNiso DLH spacer D 10mm f. Rd 8mm L 420mm GRP/PE
Art. No: WST8810210729 P/N: 253325
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €7.11 Regular price: €12.85 (44.67% saved)
-47%
Dehn 941300 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-C systems (img_001)
Dehn 941300 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase…
Art. No: WST8810210730 P/N: 941300
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €399.44 Regular price: €747.08 (46.53% saved)
-46%
Dehn 941305 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-C systems (img_001)
Dehn 941305 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase…
Art. No: WST8810210731 P/N: 941305
Available to order
Lieferzeit: 4-6 Bussines days

Sale price: €436.89 Regular price: €815.98 (46.46% saved)
-46%
Dehn 941306 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TN-S systems (img_001)
Dehn 941306 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase…
Art. No: WST8810210732 P/N: 941306
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €291.77 Regular price: €545.14 (46.48% saved)
-47%
Dehn 941400 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-S systems (img_001)
Dehn 941400 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase…
Art. No: WST8810210733 P/N: 941400
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €514.90 Regular price: €969.26 (46.88% saved)
-46%
Dehn 941405 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase TN-S systems (img_001)
Dehn 941405 Appl.-opt. combined arrester DEHNshield type 1+2 for three-phase…
Art. No: WST8810210734 P/N: 941405
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €569.53 Regular price: €1,062.19 (46.38% saved)
-47%
Dehn 941406 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TN-S systems (img_001)
Dehn 941406 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase…
Art. No: WST8810210735 P/N: 941406
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €363.52 Regular price: €679.49 (46.5% saved)
-46%
Dehn 941310 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a. TN-S systems (img_001)
Dehn 941310 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a.…
Art. No: WST8810210736 P/N: 941310
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €553.91 Regular price: €1,034.11 (46.44% saved)
-46%
Dehn 941315 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a. TN-S systems (img_001)
Dehn 941315 Appl.-opt. combined arrester DEHNshield type 1+2 f. 3-phase TT a.…
Art. No: WST8810210737 P/N: 941315
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €605.46 Regular price: €1,129.43 (46.39% saved)
-46%
Dehn 941316 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase TT-and TN-S systems (img_001)
Dehn 941316 Appl.-opt. combined arrester DEHNshield B type 1+2 for three-phase…
Art. No: WST8810210738 P/N: 941316
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €396.34 Regular price: €739.47 (46.4% saved)
-47%
Dehn 941200 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TN systems (img_001)
Dehn 941200 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase…
Art. No: WST8810210739 P/N: 941200
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €276.21 Regular price: €517.41 (46.62% saved)
-47%
Dehn 941205 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase TN systems (img_001)
Dehn 941205 Appl.-opt. combined arrester DEHNshield type 1+2 for single-phase…
Art. No: WST8810210740 P/N: 941205
Available to order
Lieferzeit: 2-3 Bussines days

Sale price: €301.17 Regular price: €563.94 (46.6% saved)
-47%
Dehn 941206 Appl.-opt. combined arrester DEHNshield B type 1+2 for single-phase TN systems (img_001)
Dehn 941206 Appl.-opt. combined arrester DEHNshield B type 1+2 for single-phase…
Art. No: WST8810210741 P/N: 941206
Available to order
Lieferzeit: 2-3 Weeks

Sale price: €196.57 Regular price: €367.47 (46.51% saved)