ESA.EXC series
Explosion-proof electric rotary actuators

Design principle
Robust electric rotary actuators for potentially explosive atmospheres
Manual override · mechanical limit stops · integrated position feedback
Torque range
35 to 8,000 Nm
A wide range of sizes for small to large rotary valves
Supply voltages
Single-phase · three-phase · 24 V DC
Numerous voltage variants available, depending on size and version
Functional & control variants
OPEN/CLOSED · regulating · intelligent
Analogue setpoint and feedback signals:
4–20 mA · 0–10 V · 2–10 V
Operating mode
OPEN/CLOSED: S2–15 min
Control: S4–50 %
Temperature range
−25 °C to +65 °C
Optional −40 °C to +65 °C
Protection class
IP67
Optional IP68, depending on model
Interfaces / Standards
ISO 5211
Explosion protection
ATEX · IECEx · Gas group IIC · Dust group IIIC
Ex db IIC T4/T5/T6 Gb
Ex tb IIIC T135/T100/T85 °C Db
Special features
Smart design with integrated operating and diagnostic functions
Compact EFM sizes and high-performance EOM sizes within a single product family
