No.
Description
9
Quick guide
10
Safety instructions for cable junction boxes to be used in potentially explosive
atmospheres
3.2 Technical Data
Protection classes
in compliance with IEC 529 or DIN EN 60529
IP66/IP68/P69:
Dust-proof and leak-proof against water, with harmful
effects when immersed, (0.5 m water depth, 1,000 h)
and water jets (high pressure and temperature).
Installation position
Cable entry from below
Quantity of load cells
max. 8
Clamping area screw connection M12
4.5…6.5 mm
Clamping area screw connection M20
8…13 mm
Overvoltage protection
2× Surge arrestor Type A81C90X
Pressure equalization
Stainless steel pressure equalization element
Material of the junction box
High-grade stainless steel 1.4404 (X2CrNiMo17-12-2)
according to EN 10088-3, AISI 316L, JIS SUS316
Surface of the junction box
2R according to DIN EN 10088-2 (cold-rolled, bright
annealed, flat, blank, reflective)
Net weight
1.4 kg
Shipping weight
1.5 kg
Service temperature area
-30°C…+80°C
Service temperature area, in explosion-prone area
-20°C…+60°C
Storage temperature range
-30°C…+80°C
Cable screw connections
Metal Ex EMC cable screw connections
Brass CuZn39Pb3, galv. nickel-plated
Insulation impedance (in service temperature range at
95% air humidity and U
DC
= 500 V)
>1000 M
Ω
Ex-connection values
See Chapter
.
Weighbridge Cable Junction Box PR 6021/68S
3 Specifications
EN-8
Minebea Intec
Summary of Contents for Weighbridge PR 6021/68S
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