Technical Data - OBO Bettermann EX BES Serie Instrucciones De Montaje

8
Mounting instructions, strip earthing clamp for Ex areas

Technical data

Type
Article no.
Clamping range
Ambient temperature
Mounting temperature
Explosion group
see „3.2 Product variants"
Ex zones
see „3.2 Product variants"
Material
Material properties
I (
10/350 µs)
imp
according to
IEC 62561-1
earthing rail
(indoor applications only)
* Lack of ignition sparks on lightning surge current
EX BES 28 EX BES 300 EX BES 500
5057 630 5057 640
6–28 mm 6–300 mm
‒30 to +60 °C
≥ 0 °C
IIC, IIB, IIA
IIIC, IIIB, IIIA
1 and 2 (gases, vapours, mists),
21 and 22 (dusts)
PA/ZnAl/V2A
UV-stabilised
Weatherproof
100 kA/class H
16 mm² Cu multi-wire/
Ø 26.9 mm V2A pipe
50 kA/N*
16 mm² Cu multi-wire/20 x 2.5 mm Cu
(
10/350 µs)
Technical data
5057 645
6–500 mm
EN | 31