The ebro E50-E210 quarter-turn electric actuators are designed for quarter-turn valves, feature an EN ISO 5211 interface, and provide opening/closing times of 6 to 180 seconds. They offer C4 corrosion resistance, IP67 protection, and a self-locking worm gear mechanism, and are equipped with a handwheel requiring 15 turns for full travel, enabling manual operation in the event of power failure or emergencies.
E50-E210 quarter-turn electric actuator product image
EBRO
E50-E210 Quarter-Turn Electric Actuator | EBRO
Product code: E50-E210
Quarter-turn electric actuator with an EN ISO 5211 valve interface, flexibly adaptable to various stem flanges, with emergency handwheel operation.
- Category
- Actuators
- Operating temperature range
- -20°C to +70°C
- Handwheel operating torque
- E50: 8Nm; E65: 4Nm; E110: 20Nm; E160: 35Nm; E210: 50Nm
Specifications
- Duty rating
- Class C, in accordance with standard prEN WI69000095
- Valve interface
- EN ISO 5211
- Opening/closing time
- 6s-180s
- Corrosion protection class
- C4, in accordance with prEN WI 6900095, tested to EN 600068-2-52
- Degree of protection
- IP67, in accordance with EN IEC 60529
- Insulation class
- F
- Limit switch rating
- DS actuator: max. 250VAC, 3A; WS actuator: max. 250VAC, 3A; GS actuator: max. 24VDC, 10A
- Operating temperature range
- -20°C to +70°C
- Electrical connection
- 2×M20×1.5, cable diameter Ø6mm-Ø13mm
- Handwheel travel
- 15 turns for full travel
- Handwheel operating torque
- E50: 8Nm; E65: 4Nm; E110: 20Nm; E160: 35Nm; E210: 50Nm
Application scenarios
Manual emergency operation of quarter-turn valves
For use with quarter-turn valves, providing emergency manual operation via the handwheel when manual intervention is required. The actuator supports 15-turn handwheel operation over the full travel and features a self-locking safety brake.
Selection points
C4 corrosion resistance
The actuator offers corrosion protection class C4 in accordance with prEN WI69000095, tested to EN 600068-2-52.
Worm gear drive with self-locking safety brake
The actuator uses a worm gear transmission and is equipped with a self-locking safety brake, helping to hold the valve position once the drive force is removed.
EN ISO 5211 interface with stem flange adaptability
The valve interface complies with EN ISO 5211 and supports flexible connection to various stem flanges, simplifying installation and matching with suitable quarter-turn valves.
Emergency handwheel operation with 15 turns over full travel
The actuator is fitted with a handwheel for manual operation in emergencies; the handwheel requires 15 turns over the full travel.
FAQ
Which valve connection interfaces does this quarter-turn electric actuator support?
This series uses the EN ISO 5211 valve interface and can flexibly connect to various stem flanges. When selecting, verify the valve mounting flange, stem connection type, and required output torque to ensure a proper match between actuator and valve.
What is the opening/closing speed of the E50 to E210 quarter-turn electric actuators?
The opening/closing time of this series ranges from 6 to 180 seconds. The actual operating time should be confirmed based on the specific actuator model and configuration.
Under what ambient temperature and protection conditions can this actuator be used?
The actuator operates in a temperature range of -20°C to +70°C, with a degree of protection of IP67 in accordance with EN IEC 60529, and corrosion protection class C4 tested in accordance with prEN WI 6900095 and EN 600068-2-52.
Can the valve be operated manually in the event of power failure or emergency?
Yes. This series is equipped with a handwheel for manual operation in emergencies; the handwheel requires 15 turns over the full travel. Handwheel operating torque varies by model: E50: 8Nm, E65: 4Nm, E110: 20Nm, E160: 35Nm, E210: 50Nm.
What operating and maintenance features does this quarter-turn electric actuator offer?
The actuator features a high-strength aluminum alloy housing, an efficient worm gear transmission, and a self-locking safety brake, along with a precise mechanical position indicator and a built-in motor thermal protection switch. It is designed to be maintenance-free and offers a long service life.