SM3R7500

Motor protection circuit breakers

• Temperature compensation
• Rated insulation voltage Ui 690V
• Thermal and magnetic protection
• Pushbutton control - padlockable in off position
• Rotary selector control - padlockable in off position
• High fault level (type 2 co-ordination with contactors)
• Thermal and magnetic trip indication - (by knob position)
• Differential single-phase protection (phase failure sensitive)
• Snap-on auxiliary contacts, shunt trip and undervolt release
• Trip-test facility/indication of trip condition overload (or) short circuit (SM1/2/3R)