TeSys Deca - frame 4

Circuit-breakers, coordinated with TeSys Deca contactors, to protect motors up to 115 A (55 kW / 400 V)

Part of TeSys

Formerly named TeSys GV4. A compact, robust and innovative motor circuit breakers line.

  • Presentations
  • Documents


Available in three different versions:

  • Type L: Magnetic short circuit protection to be used with an overload relay or a drive.

  • Type P : Magnetic short circuit and overload protection.

  • Electronic core for high-accuracy, wide-settings, dual motor class 10/20.

  • type PEM: Magnetic short circuit and overload protection with advanced settings and pre-alarming.

  • SDx side module available for alarming and fault differentiation (GV4 PEM).

  • Specifications

  • Covers motor protection from 0.25 to 55 kW at 415 V AC (from 0.8 to 115 A) all in one frame.

  • Available in three different breaking capacities:.

  • 25, 50 and 100 kA at 415 V AC IEC (15, 35, 65 kA at 480 V UL).

  • Patented EverLink creep-compensating technology.

  • Spring-based system ensures a long-lasting connection.

  • Improve overheating leading to trip.

  • Reduce risk during short circuit.

  • Ergonomic rotary handle for easy switching and controlling with clear trip indication. Other options include:

  • Toggle.

  • Side.

  • Extended.


TeSys Deca frame 4 circuit-breakers is one of the most efficient and reliable solutions of its size. With advanced protection and pre-alarms you can have better process control and anticipate problems before they happen.

    Save time:

  • Simple to specify, install and use for all applications.

  • Dual class to reduce commercial references.

  • Smart phone access to facilitate maintenance on site.

  • Improve efficiency:

  • Compact, space saving design.

  • One click accessories with spring terminal.

  • Externally visible auxiliaries.

  • Increase safety:

  • 90-year history of engineering.

  • EverLink technology ensures lasting connection.

  • Double rotary contact improves breaking capacity as Compact NSXm.

  • Reflex tripping mechanism for double protection during short circuit.


These compact, innovative, and high-performing motor circuit breakers are designed to ensure continuous motor operation under the toughest conditions. The devices are adaptable to many requirements, and can be used for a variety of demanding applications in industries such as:

  • Oil & Gas.

  • Wastewater treatment facilities.

  • Mining.

  • Energy.