The Siemens SIRIUS range surge suppressor which is made up od RC element. This surge suppressor is used for attaching on contactors Size S3.Ambient temperature during storage -40°C to +80°C
The Siemens Surge suppressor varistor with cable spacer has voltage 127-240 V AC / 150-250 V DC for mounting to coil terminal for contactors size S0-S2.Control supply voltage 150 to 250V
The Siemens Surge suppressor varistor with cable spacer has voltage 48-127 V AC / 70-150 V DC for mounting to coil terminal for contactors size S0-S2.Control supply voltage 70 to 150V