Technical data
15
Maintenance socket isolator 8571/51
eng
li
sh
6 Technical data
Please consult the manufacturer if operating conditions are non-standard.
6.1 Explosion protection data
6.2 Mechanical data
Explosion protection
Device group and category
II 2 G and D
Test certificate as per PTB
PTB 06 ATEX 1007 X
Marking according to Directive 94/9/EC
Marking according to EN 60 241
II 2 G Ex db eb IIC T6, T5 Gb
II 2 D Ex tb IIIC T80 °C, T95 °C Db
Ambient temperature for temperature class T6
max. 55 °C
Ambient temperature range
-20 °C ... +40 °C
-55 °C ... +55 °C on request
Max. permissible storage temperature range
-55 °C ... +80 °C
Degree of protection as per IEC 60 529
IP 66
Table 6-1: Explosion protection data
Material
Polyamide GF30
Weight
8571/51-4
8571/51-5
2,1 kg
2,3 kg
Service life
(electrical and mechanical)
5000 switching cycles
Tightening torques
Terminals:
Terminal chamber
cover of
wall-mount. socket:
Plug housing:
max. 1.6 Nm
max. 1.8 Nm
max. 1.0 Nm
Line entries 8571/41
Standard:
Optional:
Below: 1 x M 32 x 1.5 and
1 x stopping plug M 32 x 1.5
Above: max. 2 x M 32 x 1.5
Stopping plugs can also be used
Metallic cable entries
Clamping area /
Lead diameter
Type 8571/51
13 ... 21 mm
Auxiliary contacts (optional)
ON
OFF
trailing
leading
Table 6-2: Mechanical data
Summary of Contents for 8571/51-4
Page 41: ......
