Electric Actuator - STX Range | Bernard Controls
Electric Actuator - STX Range | Bernard Controls

Electric Actuator - STX Range | Bernard Controls

The Electric Actuator - STX Range by Bernard Controls is a versatile and robust solution designed for demanding industrial applications. It offers a torque range from 25 to 2,200 Nm directly, with options up to 20,000 Nm upon request. The actuator complies with international explosion-proof standards, including ATEX, INMETRO, IEC-EX, EAC-EX, and NEMA 7 & 9, ensuring safety in hazardous environments. Control options include electromechanical switches, hardwired systems, the advanced Smart INTELLI+® (v2), and SIL2 certification for safety. The actuator is classified for various operations: On-Off (Class A+), Inching/Positioning (Class B+), and Modulating (Class III). It is designed to withstand harsh conditions with an IP68 rating and temperature tolerance from -20°C to +70°C, extendable to -60°C for extreme environments. Key benefits include a wide range of speeds up to 190 rpm, self-locking gears, precise torque measurement, and an innovative emergency handwheel system. The INTELLI+® integrated control offers advanced solutions for critical applications, while additional features like double sealing, partial stroke testing, and a programmable timer enhance functionality. The actuator also supports various fieldbus options and offers SIL certification as an option, making it a reliable choice for complex industrial needs.

Datasheet and documents

Description

PRODUCT SPECIFICATIONS

TORQUE RANGE

  • 25 to 2,200 Nm (direct)
  • Up to 20,000 Nm on request

COMPLIANCE WITH INTERNATIONAL EXPLOSION-PROOF STANDARDS: ATEX, INMETRO, IEC-EX, EAC-EX, NEMA 7 & 9...

TYPE OF CONTROLS:

  • Electromechanical SWITCH
  • Hardwired
  • Smart INTELLI+® (v2)
  • SIL2

BC DUTY & MODULATING CLASSIFICATION:

  • On-Off: Class A+
  • Inching / Positioning: Class B+
  • Modulating: Class III

ENVIRONMENT: IP 68 / C3 UP TO C5-M / T: -20°C ...+70°C (OPTION LOW T: -60°C)

SPECIAL CONFIGURATIONS: CORROSION PROTECTION, FIRE PROOFING, EXTREME TEMPERATURES

PRODUCT BENEFITS

  • Wide range of speeds / up to 190 rpm according to the model
  • Wide range of number of turns: from a few to 1000 or more
  • Asynchronous motor with high starting torque & S4 Service duty
  • Gears are self-locking at all speed
  • Precise torque measurement and limitation

          > Easy setting with a simple screwdriver

          > Between 40 and 100% of maximum torque value

          > Frictionless system for high precision and repeatability

  • Innovative emergency handwheel system:

          > Non-rotative handwheel with electric motor priority

          > Exclusive handwheel differential system without declutch lever

  • INTELLI+® integrated control available: advanced control solution for your critical applications
  • Double sealing
  • Partial stroke test (PST) included
  • Programmable timer
  • Separated control box & LCS available
  • Wide range of fieldbus available
  • SIL certification as an option