Stahl 8549/1, Operating Instructions Manual, Page: 31 / 52

168779 / 854960300010
2011-09-23·BA00·III·en·02
Technical Data
5
Load and Motor Switch, Load-Break
Switch 8549/1
5 Technical Data
WARNING
Use the device in accordance with its designated use only!
 Otherwise, the manufacturer’s liability and warranty will expire.
 The device may only be used according to the operating conditions described

in these operating instructions.
 The device must be used in areas subject to explosion hazards only according to

these operating instructions.
Explosion protection
Gas explosion protection
ATEX E II 2 G Ex d e IIC Gb; Ex db eb IIC
E I M 2 Ex d e I Mb; Ex db eb I
IECEx Ex d e IIC Gb; Ex db eb IIC
Ex d e I Mb; Ex db eb I
Certificates
ATEX PTB 10 ATEX 1032 U
IECEx IECEx PTB 10.0053 U
Main contacts
Rated operational voltage 690 V AC, 50 / 60 Hz
Rated operational current max. 180 A
Switching capacity acc. to IEC/EN 60947-3; IEC/EN 60947-4:
1)
1 flow path of current connected in series
2)
2 flow paths of current connected in series
3)
3 flow paths of current connected in series
Motor switching capacity
Max. short-circuit
protection 200 A at 690 V, tripping characteristic: gG according to IEC/EN 60269-1
250 A at 500 V, tripping characteristic: gG according to IEC/EN 60269-1
Short circuit protection 50 kA when protected by fuse I
P
(IEC/EN 60947-3)
Type of assignment 2 (according to IEC/EN 60947-4-1)
Rated short-time
withstand current Icw 2.7 kA (IEC/EN 60947-3)
Max. power dissipation 10.8 W per path
Service life
Mechanical
10
5
switching cycles
Electrical 20.000 switching cycles
AC-3 DC-23 DC-1
690 V, 125 A
220 V, 180 A
3)
220 V, 180 A
3)
500 V, 150 A
120 V, 180 A
2)
120 V, 180 A
2)
400 V, 180 A
60 V, 180 A
1)
60 V, 180 A
1)
690 V / 125 A 500 V / 150 A 400 V / 180 A 240 V / 180 A
110 kW 90 kW 90 kW 55 kW