SIRIUS 3RU Thermal Overload Relays - Size S0 Screw Terminals

Size S0 bimetallic thermal overload relays from the Siemens SIRIUS series featuring robust screw terminal connection technology. Engineered to protect electric motors against thermal overload conditions, locked rotors, and phase failures up to 60°C ambient cabinet temperatures. Covering current setting ranges from 7A up to 40A, these relays include manual/automatic RESET, test/STOP buttons, and integrated 1 NO + 1 NC auxiliary contacts. Plugs directly underneath Siemens 3RT202 Size S0 power contactors.

Key Features:

• Screw Terminal Connection: Standard screw-type terminals for high-torque, reliable wiring in control cabinets.

• Expanded Current Range: Size S0 frame supporting motor currents from 7A up to 40A.

• Direct Contactor Mounting: Plugs directly underneath 3RT202 Size S0 power contactors without additional wiring.

  Sipariş Kodu	Gövde Boyutu	Termik Ayar Sahası (A)	Bağlantı Tipi
  3RU2126-1JB1	Boy S0	7 - 10 A	Vida Bağlantılı
  3RU2126-1KB1	Boy S0	9 - 12.5 A	Vida Bağlantılı
  3RU2126-4AB1	Boy S0	11 - 16 A	Vida Bağlantılı
  3RU2126-4BB1	Boy S0	14 - 20 A	Vida Bağlantılı
  3RU2126-4CB1	Boy S0	17 - 22 A	Vida Bağlantılı
  3RU2126-4DB1	Boy S0	20 - 25 A	Vida Bağlantılı
  3RU2126-4NB1	Boy S0	23 - 28 A	Vida Bağlantılı
  3RU2126-4EB1	Boy S0	27 - 32 A	Vida Bağlantılı
  3RU2126-4PB1	Boy S0	30 - 36 A	Vida Bağlantılı
  3RU2126-4FB1	Boy S0	34 - 40 A	Vida Bağlantılı

Tags: siemens 3ru2126, size s0 overload relay, screw terminal thermal relay, siemens motor protection