OMK-20A Electric Actuator (200Nm / Active Contact Type)
Product Information
Brand:
OMKEE
Model number:
OMK-20A
Protection Class:
IP68 (Submersion certified by SITAI)
Manufacturing Standard:
JB/T8219-1999
Control Voltage:
AC 220V; DC 24V, AC 110V, AC 380V
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Key Component Features & Material Engineering
1. Rugged ADC12 Housing with Thermal Powder Finish
The actuator shell is constructed from premium ADC12 die-cast aluminum. The raw casting undergoes specialized artificial aging and shot-blasting treatments to optimize structural density. It is finished with a tough, thermo-sprayed powder coating thicker than 0.2 mm that can withstand continuous temperatures above 150°C without peeling or cracking.
2. High-Torque Motor with Heavy Safety Reserve
Heavy industrial fluid lines create high friction due to line pressure or media thickness. To prevent jamming, OMKEE motors feature a 1.3x to 1.5x torque safety reserve. Crucial performance parameters—such as thermal rise curves, rotational inertia, and dielectric strength—undergo strict optimization. This ensures the actuator can handle frequent start-stop loops under full-load or overloaded conditions.
3. Spline Drive Connection & Forged Worm Gear Joint
The internal copper worm wheel is forged from a high-wear aluminum bronze alloy, paired with a 40Cr alloy steel worm shaft that has undergone precise thermal tempering and black-oxide anti-rust plating.
Instead of cheap one-piece structures that snap under heavy stress, the OMK-20A links the output shaft and worm gear using a heavy-duty spline connection. This choice spreads mechanical forces evenly across the drive joint.
Overall Dimensions and Performance Parameters
 |
Parameter\Performance | OMK-20 | OMK-40 | OMK-60 | |||||||||
| DC24V | AC110V | AC220V | AC380V | DC24V | AC110V | AC220V | AC380V | DC24V | AC110V | AC220V | AC380V | ||
| Motor Power | 35W | 40W | 40W | 30W | 70W | 90W | 90W | 40W | 70W | 90W | 90W | 40W | |
| Rated Current | 3.57A | 0.65A | 0.37A | 0.15A | 5.13A | 1.12A | 0.57A | 0.29A | 5.13A | 1.18A | 0.60A | 0.29A | |
| Standard Time/Torque | 30S/200Nm | 30S/400Nm | 45S/600Nm | ||||||||||
| Optional Time / Torque | 15S/100Nm | 6S/150Nm 15S/200Nm | 60S/400Nm | ||||||||||
| Turning Angle | 0~90° Adjustable | ||||||||||||
| Total Weight (kg) | 8.0 | 8.5 | 9.0 | ||||||||||
| Cold Insulation Resistance (MΩ) | AC110V/220V/380V: 100 MΩ/500VDC | ||||||||||||
| Voltage-Withstand Class | AC110V/220V: 1500VAC one minute, AC380V: 1800VAC one minute | ||||||||||||
| Protection Class | Ip67 | ||||||||||||
| Installation Angle | 360° at any angle | ||||||||||||
| Electric Interface | One G1/2 Water-proof Cable Connector (For types with 4-20mA DC, etc. control signals, add one more) | ||||||||||||
| Ambient Temperature (℃) | -30℃~+60℃ | ||||||||||||
| Type of Control Circuit | Type A:Ordinal switch type; Type B:Passive signal feedback type; Type C:Resistance signal feedback type; Type D:Resistance signal and passive signal feedback type; Type E: Adjusting type; Type F: With position transmitter; Type G: DC current control type; Type H: AC 380V power control type | ||||||||||||
| Options of other function | ★ Stainless steel support, coupling
★Direct installation board, coupling (ISO5211 Standard) ★Over torque protector ★Heater for eliminating moisture |
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Global Compliance and Applications
The OMK-20A complies fully with the JB/T8219-1999 manufacturing standard for industrial electric actuators, certified under test report No. C16040-WT by the Shanghai Institute of Process Automation Instrumentation. Furthermore, OMKEE facilities maintain verified compliance with ISO 9001:2008 and the European Union CE Certification, ensuring product quality fits global B2B procurement standards perfectly.
Target Applications:
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Heavy Processing: Petroleum refineries, aggressive chemical processing, steel manufacturing, metallurgy, and paper mills.
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Energy Systems: Thermal power plants (steam turbine speed control loops) and hydro-generation stations.
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Infrastructure: Municipal water treatment, automated sewage networks, marine shipbuilding, and large-scale power irrigation networks.
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Light Industrial: Food and beverage processing, pharmaceutical cleanrooms, and automated HVAC/Building Automation Systems (BAS).
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