EMOtec, First-Open
Thermal actuator for heating, ventilation, and air conditioning systems
The EMOtec thermal actuator, First-Open with position indicator (NC), can be installed in temperature and/or time related 2-point control systems. The first-open function keeps the actuator open until the individual room control is commissioned.
Product branding
Features and Benefits
Normally closed version with First-Open function
Compact sizes especially suited to manifold cabinets
Simple functional testing by means of position indicator
Trouble-free because it is silent and needs no maintenance
Applications
Designed for ON/OFF or PWM control.
Temperature
Max. ambient temperature: 60°C
Max. medium temperature: 100°C
Min. ambient temperature: 0°C
Storage temperature: -25°C to +60°C
Supply voltage [V]
24 VAC/VDC (+20%/-10%), 0-60 Hz. 230 VAC (+10%/-10%), 50-60 Hz.
Power consumption
Stroke
4 mm
Operating cycle time
~ 3 min
Body
Polyamide, grey
Adjusting force
100 N ±5%
Connection to valve
M30x1,5
Cable
Ingress protection
IP54 at any position.
Protection class
230 V: II, EN 60730
24 V: III, EN 60730
Overvoltage protection
Version 230 V according to EN 60730-1: 2,5 kV.
Certifications and directives
CE, EN 60730
The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.
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