BHW S-TYPES Patented technology: rubber seal and metal spinning on porcelain
Creepage distances: from 380 to 1000+ mm
Impulse Voltages: from 95 to 250 kV
Rated Voltages: from 17.5 to 36 kV

Parallel sheds for horizontal/vertical installation
For outdoor/indoor installation
Grey or brown colour
More than 5.000.000 units installed in 10+ years of product life

Zamber type Impulse Voltage (kVBIL) Power frequency withstand voltage wet-outdooor (kV) Power frequency withstand voltage dry-indoor (kV) Rated Voltage (kV) Creepage (mm) Arc distance (mm) Total height out of the lid (mm) Weight without wire (kg) Colour n. of skirts Bore dia. (mm) Diameter of the skirts (mm)
BHW S1 95 38 70 17,5 380 160 220 (+/-7) 1,8 gray/brown 6 19 95
BHW S3 150 50 85 24 620 240 300 (+/-9) 2,4 gray/brown 10 19 95
BHW S5 170 70 100 36 820 300 360 (+/-9) 3,2 gray/brown 13 19 95
BHW S7 250 n.d. n.d.  36 1020 360 420 (+/-9) 4,0 gray/brown 16 19 95

Available variants and materials:
LT variant for temperatures down to -60°C (standard down to -45°C)
Flange for TIG/MIG welding in stainless steel, diameter 87 or 89 mm.
Already assembled to stainless steel lids of several dimensions
Standard thread in nickel plated brass M16 with bore 8mm. or solid with tinned copper wire wire already connected
Tinned copper wire sections: 5 – 10 – 12 – 16 – 25 mm²
Cap in Stainless steel AISI316

Routine tests performed:
Leak test at 6 bars on 100%
Torque test at 45Nm on 100%
Visual inspection on 100%

Sample tests performed:
Dimension test
Cantilever destructive load
High temperature test at 130°C

Type tests performed:
Dry lightning impulse voltage withstand (BIL)
Dry power-frequency voltage withstand
Wet power-frequency voltage withstand
Temperature rise (250A – 50 Hz)
Radio Influence voltage
Cantilever load test up to 1000N
Cantilever load test up to 1000N under internal pressure of 3 bar
Traction (tensile) load test up to 1500N
Dynamic Cantilever load test
Low temperature test until -60°C with cantilever 50kg.
Low temperature cycle test until -60°C to ambient: 5 times
High temperature test at 90°C for 16h
Temperature cycle test -55°C to ambient temperature
Dynamic current withstand test
Vibration test
Contamination test 500 hrs. (tandelta)

Note to the Purchaser:

All information provided in this website, including technical specifications and recommendations, is based on the results of tests carried out. However, no guarantee is provided with regard to the fact that information supplied is also entirely accurate and complete. It is in the Purchaser’s interest to verify product compatibility with the use intended. All products sold by Zamber are compliant with Zamber’s in-house standards. Zamber is not liable for any possible after sale damage