Data Sheet

Flexible with ferrule 
mm
2
1 x (0.75 - 2.5)
2 x (0.75 - 2.5)
Solid or stranded  AWG 18 - 14
Control circuit cable connection screw/bolt   M3.5
Tightening torque  Nm 1.2
Tool   
Main cable   
Width across flats  mm 16
Control circuit cables   
Pozidriv screwdriver  Size 2
Main conducting paths
Rated impulse withstand voltage U
imp
V AC 8000
Overvoltage category/pollution degree   III/3
Rated insulation voltage U
i
V AC 1000
Rated operational voltage U
e
V AC 1000
Safe isolation to EN 61140   
between coil and contacts  V AC 1000
between the contacts  V AC 1000
Making capacity (p.f. to IEC/EN 60947)  A 3000
Breaking capacity   
220 V 230 V  A 2500
380 V 400 V  A 2500
500 V  A 2500
660 V 690 V  A 2500
1000 V  A 760
Component lifespan   
   AC1: See → Engineering, characteristic curves
AC3: See → Engineering, characteristic curves
AC4: See → Engineering, characteristic curves
Short-circuit rating   
Short-circuit protection maximum fuse   
Type “2” coordination   
400 V gG/gL 500 V A 400
690 V gG/gL 690 V A 315
1000 V gG/gL 1000 V A 160
Type “1” coordination   
400 V gG/gL 500 V A 400
690 V gG/gL 690 V A 400
1000 V gG/gL 1000 V A 200
AC
AC-1   
Rated operational current   
Conventional free air thermal current, 3 pole, 50 - 60 Hz   
Open   
at 40 °C I
th
=I
e
A 430
at 50 °C I
th
=I
e
A 380
at 55 °C I
th
=I
e
A 365
at 60 °C I
th
=I
e
A 350
enclosed I
th
A 300
Notes   At maximum permissible ambient air temperature.
Conventional free air thermal current, 1 pole   
Note   at maximum permissible ambient air temperature
open I
th
A 875
enclosed I
th
A 750
AC-3   
Rated operational current   
06/18/2021 Eaton 274190 ED2021 V80.0 EN 3 / 12