The auxiliary contacts Siemens 5ST3016 feature:

• 1 changeover contact
• Side mounting

They are intended for:

• Overcurrent circuit breakers in series 5SL, 5SY, and 5SP
• Leakage switches 5SU1 and 5SV

Technical characteristics:

• Number of changeover contacts: 1
• Number of normally open/closed contacts: 0 / 0
• Fault indicator contacts: 0
• Nominal voltage: 30 V
• ...